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  59. <h1 class="epydoc">Source Code for <a href="echonest.modify-module.html">Module echonest.modify</a></h1>
    60. 

  60. <pre class="py-src">
    61. 

  61. <a name="L1"></a><tt class="py-lineno">  1</tt>  <tt class="py-line"><tt class="py-comment">#!/usr/bin/env python</tt> </tt>
    62. 

  62. <a name="L2"></a><tt class="py-lineno">  2</tt>  <tt class="py-line"><tt class="py-comment"># encoding: utf-8</tt> </tt>
    63. 

  63. <a name="L3"></a><tt class="py-lineno">  3</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
    64. 

  64. <a name="L4"></a><tt class="py-lineno">  4</tt>  <tt class="py-line"><tt class="py-docstring">modify.py</tt> </tt>
    65. 

  65. <a name="L5"></a><tt class="py-lineno">  5</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
    66. 

  66. <a name="L6"></a><tt class="py-lineno">  6</tt>  <tt class="py-line"><tt class="py-docstring">Created by Ben Lacker on 2009-06-12.</tt> </tt>
    67. 

  67. <a name="L7"></a><tt class="py-lineno">  7</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
    68. 

  68. <a name="L8"></a><tt class="py-lineno">  8</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt id="link-0" class="py-name" targets="Package echonest=echonest-module.html"><a title="echonest" class="py-name" href="#" onclick="return doclink('link-0', 'echonest', 'link-0');">echonest</a></tt><tt class="py-op">.</tt><tt id="link-1" class="py-name" targets="Module echonest.audio=echonest.audio-module.html,Variable pyechonest.artist.Artist.audio=pyechonest.artist.Artist-class.html#audio"><a title="echonest.audio
    69. 

  69. pyechonest.artist.Artist.audio" class="py-name" href="#" onclick="return doclink('link-1', 'audio', 'link-1');">audio</a></tt> <tt class="py-keyword">import</tt> <tt class="py-op">*</tt> </tt>
    70. 

  70. <a name="L9"></a><tt class="py-lineno">  9</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">numpy</tt> </tt>
    71. 

  71. <a name="L10"></a><tt class="py-lineno"> 10</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">soundtouch</tt> </tt>
    72. 

  72. <a name="L11"></a><tt class="py-lineno"> 11</tt>  <tt class="py-line"> </tt>
    73. 

  73. <a name="Modify"></a><div id="Modify-def"><a name="L12"></a><tt class="py-lineno"> 12</tt> <a class="py-toggle" href="#" id="Modify-toggle" onclick="return toggle('Modify');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="echonest.modify.Modify-class.html">Modify</a><tt class="py-op">(</tt><tt class="py-base-class">soundtouch</tt><tt class="py-op">.</tt><tt class="py-base-class">SoundTouch</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    74. 

  74. </div><div id="Modify-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="Modify-expanded"><a name="Modify.__init__"></a><div id="Modify.__init__-def"><a name="L13"></a><tt class="py-lineno"> 13</tt> <a class="py-toggle" href="#" id="Modify.__init__-toggle" onclick="return toggle('Modify.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.modify.Modify-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">sampleRate</tt><tt class="py-op">=</tt><tt class="py-number">44100</tt><tt class="py-op">,</tt> <tt class="py-param">numChannels</tt><tt class="py-op">=</tt><tt class="py-number">1</tt><tt class="py-op">,</tt> <tt class="py-param">blockSize</tt> <tt class="py-op">=</tt> <tt class="py-number">10000</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    75. 

  75. </div><div id="Modify.__init__-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Modify.__init__-expanded"><a name="L14"></a><tt class="py-lineno"> 14</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">setSampleRate</tt><tt class="py-op">(</tt><tt class="py-name">sampleRate</tt><tt class="py-op">)</tt> </tt>
    76. 

  76. <a name="L15"></a><tt class="py-lineno"> 15</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">setChannels</tt><tt class="py-op">(</tt><tt class="py-name">numChannels</tt><tt class="py-op">)</tt> </tt>
    77. 

  77. <a name="L16"></a><tt class="py-lineno"> 16</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sampleRate</tt> <tt class="py-op">=</tt> <tt class="py-name">sampleRate</tt> </tt>
    78. 

  78. <a name="L17"></a><tt class="py-lineno"> 17</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">numChannels</tt> <tt class="py-op">=</tt> <tt class="py-name">numChannels</tt> </tt>
    79. 

  79. <a name="L18"></a><tt class="py-lineno"> 18</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">blockSize</tt> <tt class="py-op">=</tt> <tt class="py-name">blockSize</tt> </tt>
    80. 

  80. </div><a name="L19"></a><tt class="py-lineno"> 19</tt>  <tt class="py-line"> </tt>
    81. 

  81. <a name="Modify.doInBlocks"></a><div id="Modify.doInBlocks-def"><a name="L20"></a><tt class="py-lineno"> 20</tt> <a class="py-toggle" href="#" id="Modify.doInBlocks-toggle" onclick="return toggle('Modify.doInBlocks');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.modify.Modify-class.html#doInBlocks">doInBlocks</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">f</tt><tt class="py-op">,</tt> <tt class="py-param">in_data</tt><tt class="py-op">,</tt> <tt class="py-param">arg</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    82. 

  82. </div><div id="Modify.doInBlocks-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Modify.doInBlocks-expanded"><a name="L21"></a><tt class="py-lineno"> 21</tt>  <tt class="py-line">        <tt class="py-comment"># For now, make everything mono. We'll deal with channels later</tt> </tt>
    83. 

  83. <a name="L22"></a><tt class="py-lineno"> 22</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">in_data</tt><tt class="py-op">.</tt><tt class="py-name">ndim</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> </tt>
    84. 

  84. <a name="L23"></a><tt class="py-lineno"> 23</tt>  <tt class="py-line">            <tt class="py-name">in_data</tt> <tt class="py-op">=</tt> <tt class="py-name">in_data</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-op">,</tt> <tt class="py-number">0</tt><tt class="py-op">]</tt> </tt>
    85. 

  85. <a name="L24"></a><tt class="py-lineno"> 24</tt>  <tt class="py-line">        <tt class="py-name">collect</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
    86. 

  86. <a name="L25"></a><tt class="py-lineno"> 25</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">in_data</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">blockSize</tt><tt class="py-op">:</tt> </tt>
    87. 

  87. <a name="L26"></a><tt class="py-lineno"> 26</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">x</tt> <tt class="py-keyword">in</tt> <tt class="py-name">range</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">in_data</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">blockSize</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    88. 

  88. <a name="L27"></a><tt class="py-lineno"> 27</tt>  <tt class="py-line">                <tt id="link-2" class="py-name" targets="Variable echonest.audio.AudioQuantumList.start=echonest.audio.AudioQuantumList-class.html#start"><a title="echonest.audio.AudioQuantumList.start" class="py-name" href="#" onclick="return doclink('link-2', 'start', 'link-2');">start</a></tt> <tt class="py-op">=</tt> <tt class="py-name">x</tt> <tt class="py-op">*</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">blockSize</tt> </tt>
    89. 

  89. <a name="L28"></a><tt class="py-lineno"> 28</tt>  <tt class="py-line">                <tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt class="py-name">in_data</tt><tt class="py-op">[</tt><tt id="link-3" class="py-name"><a title="echonest.audio.AudioQuantumList.start" class="py-name" href="#" onclick="return doclink('link-3', 'start', 'link-2');">start</a></tt><tt class="py-op">:</tt><tt id="link-4" class="py-name"><a title="echonest.audio.AudioQuantumList.start" class="py-name" href="#" onclick="return doclink('link-4', 'start', 'link-2');">start</a></tt> <tt class="py-op">+</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">blockSize</tt> <tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">]</tt> </tt>
    90. 

  90. <a name="L29"></a><tt class="py-lineno"> 29</tt>  <tt class="py-line">                <tt class="py-name">collect</tt><tt class="py-op">.</tt><tt id="link-5" class="py-name" targets="Method echonest.audio.AudioData.append()=echonest.audio.AudioData-class.html#append"><a title="echonest.audio.AudioData.append" class="py-name" href="#" onclick="return doclink('link-5', 'append', 'link-5');">append</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-6" class="py-name" targets="Method echonest.modify.Modify.processAudio()=echonest.modify.Modify-class.html#processAudio"><a title="echonest.modify.Modify.processAudio" class="py-name" href="#" onclick="return doclink('link-6', 'processAudio', 'link-6');">processAudio</a></tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">,</tt> <tt class="py-name">data</tt><tt class="py-op">,</tt> <tt class="py-name">arg</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
    91. 

  91. <a name="L30"></a><tt class="py-lineno"> 30</tt>  <tt class="py-line">            <tt class="py-name">data</tt> <tt class="py-op">=</tt> <tt class="py-name">in_data</tt><tt class="py-op">[</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">in_data</tt><tt class="py-op">)</tt> <tt class="py-op">%</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">blockSize</tt><tt class="py-op">)</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> </tt>
    92. 

  92. <a name="L31"></a><tt class="py-lineno"> 31</tt>  <tt class="py-line">            <tt class="py-name">collect</tt><tt class="py-op">.</tt><tt id="link-7" class="py-name"><a title="echonest.audio.AudioData.append" class="py-name" href="#" onclick="return doclink('link-7', 'append', 'link-5');">append</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-8" class="py-name"><a title="echonest.modify.Modify.processAudio" class="py-name" href="#" onclick="return doclink('link-8', 'processAudio', 'link-6');">processAudio</a></tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">,</tt> <tt class="py-name">data</tt><tt class="py-op">,</tt> <tt class="py-name">arg</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
    93. 

  93. <a name="L32"></a><tt class="py-lineno"> 32</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
    94. 

  94. <a name="L33"></a><tt class="py-lineno"> 33</tt>  <tt class="py-line">            <tt class="py-name">collect</tt><tt class="py-op">.</tt><tt id="link-9" class="py-name"><a title="echonest.audio.AudioData.append" class="py-name" href="#" onclick="return doclink('link-9', 'append', 'link-5');">append</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-10" class="py-name"><a title="echonest.modify.Modify.processAudio" class="py-name" href="#" onclick="return doclink('link-10', 'processAudio', 'link-6');">processAudio</a></tt><tt class="py-op">(</tt><tt class="py-name">f</tt><tt class="py-op">,</tt> <tt class="py-name">in_data</tt><tt class="py-op">,</tt> <tt class="py-name">arg</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
    95. 

  95. <a name="L34"></a><tt class="py-lineno"> 34</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt id="link-11" class="py-name" targets="Function echonest.audio.assemble()=echonest.audio-module.html#assemble"><a title="echonest.audio.assemble" class="py-name" href="#" onclick="return doclink('link-11', 'assemble', 'link-11');">assemble</a></tt><tt class="py-op">(</tt><tt class="py-name">collect</tt><tt class="py-op">,</tt> <tt class="py-name">numChannels</tt><tt class="py-op">=</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">numChannels</tt><tt class="py-op">,</tt> <tt class="py-name">sampleRate</tt><tt class="py-op">=</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sampleRate</tt><tt class="py-op">)</tt> </tt>
    96. 

  96. </div><a name="L35"></a><tt class="py-lineno"> 35</tt>  <tt class="py-line"> </tt>
    97. 

  97. <a name="Modify.processAudio"></a><div id="Modify.processAudio-def"><a name="L36"></a><tt class="py-lineno"> 36</tt> <a class="py-toggle" href="#" id="Modify.processAudio-toggle" onclick="return toggle('Modify.processAudio');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.modify.Modify-class.html#processAudio">processAudio</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">f</tt><tt class="py-op">,</tt> <tt class="py-param">data</tt><tt class="py-op">,</tt> <tt class="py-param">arg</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    98. 

  98. </div><div id="Modify.processAudio-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Modify.processAudio-expanded"><a name="L37"></a><tt class="py-lineno"> 37</tt>  <tt class="py-line">        <tt class="py-name">f</tt><tt class="py-op">(</tt><tt class="py-name">arg</tt><tt class="py-op">)</tt> </tt>
    99. 

  99. <a name="L38"></a><tt class="py-lineno"> 38</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">putSamples</tt><tt class="py-op">(</tt><tt class="py-name">data</tt><tt class="py-op">)</tt> </tt>
    100. 

  100. <a name="L39"></a><tt class="py-lineno"> 39</tt>  <tt class="py-line">        <tt class="py-name">out_data</tt> <tt class="py-op">=</tt> <tt class="py-name">numpy</tt><tt class="py-op">.</tt><tt class="py-name">array</tt><tt class="py-op">(</tt><tt class="py-name">numpy</tt><tt class="py-op">.</tt><tt class="py-name">zeros</tt><tt class="py-op">(</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">data</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-number">2</tt><tt class="py-op">,</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">dtype</tt><tt class="py-op">=</tt><tt class="py-name">numpy</tt><tt class="py-op">.</tt><tt class="py-name">float32</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
    101. 

  101. <a name="L40"></a><tt class="py-lineno"> 40</tt>  <tt class="py-line">        <tt class="py-name">out_samples</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">receiveSamples</tt><tt class="py-op">(</tt><tt class="py-name">out_data</tt><tt class="py-op">)</tt> </tt>
    102. 

  102. <a name="L41"></a><tt class="py-lineno"> 41</tt>  <tt class="py-line">        <tt class="py-name">new_ad</tt> <tt class="py-op">=</tt> <tt id="link-12" class="py-name" targets="Class echonest.audio.AudioData=echonest.audio.AudioData-class.html"><a title="echonest.audio.AudioData" class="py-name" href="#" onclick="return doclink('link-12', 'AudioData', 'link-12');">AudioData</a></tt><tt class="py-op">(</tt><tt class="py-name">ndarray</tt><tt class="py-op">=</tt><tt class="py-name">out_data</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-name">out_samples</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-name">shape</tt><tt class="py-op">=</tt><tt class="py-op">(</tt><tt class="py-name">out_samples</tt><tt class="py-op">,</tt> <tt class="py-op">)</tt><tt class="py-op">,</tt>  </tt>
    103. 

  103. <a name="L42"></a><tt class="py-lineno"> 42</tt>  <tt class="py-line">                    <tt class="py-name">sampleRate</tt><tt class="py-op">=</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sampleRate</tt><tt class="py-op">,</tt> <tt class="py-name">numChannels</tt><tt class="py-op">=</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">numChannels</tt><tt class="py-op">)</tt> </tt>
    104. 

  104. <a name="L43"></a><tt class="py-lineno"> 43</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">new_ad</tt> </tt>
    105. 

  105. </div><a name="L44"></a><tt class="py-lineno"> 44</tt>  <tt class="py-line"> </tt>
    106. 

  106. <a name="Modify.shiftRate"></a><div id="Modify.shiftRate-def"><a name="L45"></a><tt class="py-lineno"> 45</tt> <a class="py-toggle" href="#" id="Modify.shiftRate-toggle" onclick="return toggle('Modify.shiftRate');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.modify.Modify-class.html#shiftRate">shiftRate</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">audio_data</tt><tt class="py-op">,</tt> <tt class="py-param">ratio</tt><tt class="py-op">=</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    107. 

  107. </div><div id="Modify.shiftRate-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Modify.shiftRate-expanded"><a name="L46"></a><tt class="py-lineno"> 46</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">audio_data</tt><tt class="py-op">,</tt> <tt id="link-13" class="py-name"><a title="echonest.audio.AudioData" class="py-name" href="#" onclick="return doclink('link-13', 'AudioData', 'link-12');">AudioData</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    108. 

  108. <a name="L47"></a><tt class="py-lineno"> 47</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">TypeError</tt><tt class="py-op">(</tt><tt class="py-string">'First argument must be an AudioData object.'</tt><tt class="py-op">)</tt> </tt>
    109. 

  109. <a name="L48"></a><tt class="py-lineno"> 48</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-op">(</tt><tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">ratio</tt><tt class="py-op">,</tt> <tt class="py-name">int</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">ratio</tt><tt class="py-op">,</tt> <tt class="py-name">float</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    110. 

  110. <a name="L49"></a><tt class="py-lineno"> 49</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">(</tt><tt class="py-string">'Ratio must be an int or float.'</tt><tt class="py-op">)</tt> </tt>
    111. 

  111. <a name="L50"></a><tt class="py-lineno"> 50</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">ratio</tt> <tt class="py-op">&lt;</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-op">(</tt><tt class="py-name">ratio</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">10</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    112. 

  112. <a name="L51"></a><tt class="py-lineno"> 51</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">(</tt><tt class="py-string">'Ratio must be between 0 and 10.'</tt><tt class="py-op">)</tt> </tt>
    113. 

  113. <a name="L52"></a><tt class="py-lineno"> 52</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-14" class="py-name" targets="Method echonest.modify.Modify.doInBlocks()=echonest.modify.Modify-class.html#doInBlocks"><a title="echonest.modify.Modify.doInBlocks" class="py-name" href="#" onclick="return doclink('link-14', 'doInBlocks', 'link-14');">doInBlocks</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">setRate</tt><tt class="py-op">,</tt> <tt class="py-name">audio_data</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">,</tt> <tt class="py-name">ratio</tt><tt class="py-op">)</tt> </tt>
    114. 

  114. </div><a name="L53"></a><tt class="py-lineno"> 53</tt>  <tt class="py-line"> </tt>
    115. 

  115. <a name="Modify.shiftTempo"></a><div id="Modify.shiftTempo-def"><a name="L54"></a><tt class="py-lineno"> 54</tt> <a class="py-toggle" href="#" id="Modify.shiftTempo-toggle" onclick="return toggle('Modify.shiftTempo');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.modify.Modify-class.html#shiftTempo">shiftTempo</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">audio_data</tt><tt class="py-op">,</tt> <tt class="py-param">ratio</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    116. 

  116. </div><div id="Modify.shiftTempo-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Modify.shiftTempo-expanded"><a name="L55"></a><tt class="py-lineno"> 55</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">audio_data</tt><tt class="py-op">,</tt> <tt id="link-15" class="py-name"><a title="echonest.audio.AudioData" class="py-name" href="#" onclick="return doclink('link-15', 'AudioData', 'link-12');">AudioData</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    117. 

  117. <a name="L56"></a><tt class="py-lineno"> 56</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">TypeError</tt><tt class="py-op">(</tt><tt class="py-string">'First argument must be an AudioData object.'</tt><tt class="py-op">)</tt> </tt>
    118. 

  118. <a name="L57"></a><tt class="py-lineno"> 57</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-op">(</tt><tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">ratio</tt><tt class="py-op">,</tt> <tt class="py-name">int</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">ratio</tt><tt class="py-op">,</tt> <tt class="py-name">float</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    119. 

  119. <a name="L58"></a><tt class="py-lineno"> 58</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">(</tt><tt class="py-string">'Ratio must be an int or float.'</tt><tt class="py-op">)</tt> </tt>
    120. 

  120. <a name="L59"></a><tt class="py-lineno"> 59</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">ratio</tt> <tt class="py-op">&lt;</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-op">(</tt><tt class="py-name">ratio</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">10</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    121. 

  121. <a name="L60"></a><tt class="py-lineno"> 60</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">(</tt><tt class="py-string">'Ratio must be between 0 and 10.'</tt><tt class="py-op">)</tt> </tt>
    122. 

  122. <a name="L61"></a><tt class="py-lineno"> 61</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-16" class="py-name"><a title="echonest.modify.Modify.doInBlocks" class="py-name" href="#" onclick="return doclink('link-16', 'doInBlocks', 'link-14');">doInBlocks</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">setTempo</tt><tt class="py-op">,</tt> <tt class="py-name">audio_data</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">,</tt> <tt class="py-name">ratio</tt><tt class="py-op">)</tt> </tt>
    123. 

  123. </div><a name="L62"></a><tt class="py-lineno"> 62</tt>  <tt class="py-line"> </tt>
    124. 

  124. <a name="Modify.shiftRateChange"></a><div id="Modify.shiftRateChange-def"><a name="L63"></a><tt class="py-lineno"> 63</tt> <a class="py-toggle" href="#" id="Modify.shiftRateChange-toggle" onclick="return toggle('Modify.shiftRateChange');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.modify.Modify-class.html#shiftRateChange">shiftRateChange</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">audio_data</tt><tt class="py-op">,</tt> <tt class="py-param">percent</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    125. 

  125. </div><div id="Modify.shiftRateChange-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Modify.shiftRateChange-expanded"><a name="L64"></a><tt class="py-lineno"> 64</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">audio_data</tt><tt class="py-op">,</tt> <tt id="link-17" class="py-name"><a title="echonest.audio.AudioData" class="py-name" href="#" onclick="return doclink('link-17', 'AudioData', 'link-12');">AudioData</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    126. 

  126. <a name="L65"></a><tt class="py-lineno"> 65</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">TypeError</tt><tt class="py-op">(</tt><tt class="py-string">'First argument must be an AudioData object.'</tt><tt class="py-op">)</tt> </tt>
    127. 

  127. <a name="L66"></a><tt class="py-lineno"> 66</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-op">(</tt><tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">percent</tt><tt class="py-op">,</tt> <tt class="py-name">int</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">percent</tt><tt class="py-op">,</tt> <tt class="py-name">float</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    128. 

  128. <a name="L67"></a><tt class="py-lineno"> 67</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">(</tt><tt class="py-string">'Percent must be an int or float.'</tt><tt class="py-op">)</tt> </tt>
    129. 

  129. <a name="L68"></a><tt class="py-lineno"> 68</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">percent</tt> <tt class="py-op">&lt;</tt> <tt class="py-op">-</tt><tt class="py-number">50</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-op">(</tt><tt class="py-name">percent</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">100</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    130. 

  130. <a name="L69"></a><tt class="py-lineno"> 69</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">(</tt><tt class="py-string">'Percent must be between -50 and 100.'</tt><tt class="py-op">)</tt> </tt>
    131. 

  131. <a name="L70"></a><tt class="py-lineno"> 70</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-18" class="py-name"><a title="echonest.modify.Modify.doInBlocks" class="py-name" href="#" onclick="return doclink('link-18', 'doInBlocks', 'link-14');">doInBlocks</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">setRateChange</tt><tt class="py-op">,</tt> <tt class="py-name">audio_data</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">,</tt> <tt class="py-name">percent</tt><tt class="py-op">)</tt> </tt>
    132. 

  132. </div><a name="L71"></a><tt class="py-lineno"> 71</tt>  <tt class="py-line"> </tt>
    133. 

  133. <a name="Modify.shiftTempoChange"></a><div id="Modify.shiftTempoChange-def"><a name="L72"></a><tt class="py-lineno"> 72</tt> <a class="py-toggle" href="#" id="Modify.shiftTempoChange-toggle" onclick="return toggle('Modify.shiftTempoChange');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.modify.Modify-class.html#shiftTempoChange">shiftTempoChange</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">audio_data</tt><tt class="py-op">,</tt> <tt class="py-param">percent</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    134. 

  134. </div><div id="Modify.shiftTempoChange-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Modify.shiftTempoChange-expanded"><a name="L73"></a><tt class="py-lineno"> 73</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">audio_data</tt><tt class="py-op">,</tt> <tt id="link-19" class="py-name"><a title="echonest.audio.AudioData" class="py-name" href="#" onclick="return doclink('link-19', 'AudioData', 'link-12');">AudioData</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    135. 

  135. <a name="L74"></a><tt class="py-lineno"> 74</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">TypeError</tt><tt class="py-op">(</tt><tt class="py-string">'First argument must be an AudioData object.'</tt><tt class="py-op">)</tt> </tt>
    136. 

  136. <a name="L75"></a><tt class="py-lineno"> 75</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-op">(</tt><tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">percent</tt><tt class="py-op">,</tt> <tt class="py-name">int</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">percent</tt><tt class="py-op">,</tt> <tt class="py-name">float</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    137. 

  137. <a name="L76"></a><tt class="py-lineno"> 76</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">(</tt><tt class="py-string">'Percent must be an int or float.'</tt><tt class="py-op">)</tt> </tt>
    138. 

  138. <a name="L77"></a><tt class="py-lineno"> 77</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">percent</tt> <tt class="py-op">&lt;</tt> <tt class="py-op">-</tt><tt class="py-number">50</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-op">(</tt><tt class="py-name">percent</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">100</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    139. 

  139. <a name="L78"></a><tt class="py-lineno"> 78</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">(</tt><tt class="py-string">'Percent must be between -50 and 100.'</tt><tt class="py-op">)</tt> </tt>
    140. 

  140. <a name="L79"></a><tt class="py-lineno"> 79</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-20" class="py-name"><a title="echonest.modify.Modify.doInBlocks" class="py-name" href="#" onclick="return doclink('link-20', 'doInBlocks', 'link-14');">doInBlocks</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">setTempoChange</tt><tt class="py-op">,</tt> <tt class="py-name">audio_data</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">,</tt> <tt class="py-name">percent</tt><tt class="py-op">)</tt> </tt>
    141. 

  141. </div><a name="L80"></a><tt class="py-lineno"> 80</tt>  <tt class="py-line"> </tt>
    142. 

  142. <a name="Modify.shiftPitchSemiTones"></a><div id="Modify.shiftPitchSemiTones-def"><a name="L81"></a><tt class="py-lineno"> 81</tt> <a class="py-toggle" href="#" id="Modify.shiftPitchSemiTones-toggle" onclick="return toggle('Modify.shiftPitchSemiTones');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.modify.Modify-class.html#shiftPitchSemiTones">shiftPitchSemiTones</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">audio_data</tt><tt class="py-op">,</tt> <tt class="py-param">semitones</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    143. 

  143. </div><div id="Modify.shiftPitchSemiTones-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Modify.shiftPitchSemiTones-expanded"><a name="L82"></a><tt class="py-lineno"> 82</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">audio_data</tt><tt class="py-op">,</tt> <tt id="link-21" class="py-name"><a title="echonest.audio.AudioData" class="py-name" href="#" onclick="return doclink('link-21', 'AudioData', 'link-12');">AudioData</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    144. 

  144. <a name="L83"></a><tt class="py-lineno"> 83</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">TypeError</tt><tt class="py-op">(</tt><tt class="py-string">'First argument must be an AudioData object.'</tt><tt class="py-op">)</tt> </tt>
    145. 

  145. <a name="L84"></a><tt class="py-lineno"> 84</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">semitones</tt><tt class="py-op">,</tt> <tt class="py-name">int</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    146. 

  146. <a name="L85"></a><tt class="py-lineno"> 85</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">TypeError</tt><tt class="py-op">(</tt><tt class="py-string">'Second argument must be an integer.'</tt><tt class="py-op">)</tt> </tt>
    147. 

  147. <a name="L86"></a><tt class="py-lineno"> 86</tt>  <tt class="py-line">        <tt class="py-comment"># I think this is right, but maybe it has to be between -12 and 12?</tt> </tt>
    148. 

  148. <a name="L87"></a><tt class="py-lineno"> 87</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">semitones</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">60</tt><tt class="py-op">:</tt> </tt>
    149. 

  149. <a name="L88"></a><tt class="py-lineno"> 88</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">(</tt><tt class="py-string">'Semitones argument must be an int between -60 and 60.'</tt><tt class="py-op">)</tt> </tt>
    150. 

  150. <a name="L89"></a><tt class="py-lineno"> 89</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-22" class="py-name"><a title="echonest.modify.Modify.doInBlocks" class="py-name" href="#" onclick="return doclink('link-22', 'doInBlocks', 'link-14');">doInBlocks</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">setPitchSemiTones</tt><tt class="py-op">,</tt> <tt class="py-name">audio_data</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">,</tt> <tt class="py-name">semitones</tt><tt class="py-op">)</tt> </tt>
    151. 

  151. </div><a name="L90"></a><tt class="py-lineno"> 90</tt>  <tt class="py-line"> </tt>
    152. 

  152. <a name="Modify.shiftPitchOctaves"></a><div id="Modify.shiftPitchOctaves-def"><a name="L91"></a><tt class="py-lineno"> 91</tt> <a class="py-toggle" href="#" id="Modify.shiftPitchOctaves-toggle" onclick="return toggle('Modify.shiftPitchOctaves');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.modify.Modify-class.html#shiftPitchOctaves">shiftPitchOctaves</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">audio_data</tt><tt class="py-op">,</tt> <tt class="py-param">octaves</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    153. 

  153. </div><div id="Modify.shiftPitchOctaves-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Modify.shiftPitchOctaves-expanded"><a name="L92"></a><tt class="py-lineno"> 92</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">audio_data</tt><tt class="py-op">,</tt> <tt id="link-23" class="py-name"><a title="echonest.audio.AudioData" class="py-name" href="#" onclick="return doclink('link-23', 'AudioData', 'link-12');">AudioData</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    154. 

  154. <a name="L93"></a><tt class="py-lineno"> 93</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">TypeError</tt><tt class="py-op">(</tt><tt class="py-string">'First argument must be an AudioData object.'</tt><tt class="py-op">)</tt> </tt>
    155. 

  155. <a name="L94"></a><tt class="py-lineno"> 94</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-op">(</tt><tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">octaves</tt><tt class="py-op">,</tt> <tt class="py-name">int</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">octaves</tt><tt class="py-op">,</tt> <tt class="py-name">float</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    156. 

  156. <a name="L95"></a><tt class="py-lineno"> 95</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">(</tt><tt class="py-string">'Octaves must be an int or float.'</tt><tt class="py-op">)</tt> </tt>
    157. 

  157. <a name="L96"></a><tt class="py-lineno"> 96</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">octaves</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">5</tt><tt class="py-op">:</tt> </tt>
    158. 

  158. <a name="L97"></a><tt class="py-lineno"> 97</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">(</tt><tt class="py-string">'Octaves argument must be between -5 and 5.'</tt><tt class="py-op">)</tt> </tt>
    159. 

  159. <a name="L98"></a><tt class="py-lineno"> 98</tt>  <tt class="py-line">        <tt class="py-comment"># what are the limits? Nothing in soundtouch documentation...</tt> </tt>
    160. 

  160. <a name="L99"></a><tt class="py-lineno"> 99</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-24" class="py-name"><a title="echonest.modify.Modify.doInBlocks" class="py-name" href="#" onclick="return doclink('link-24', 'doInBlocks', 'link-14');">doInBlocks</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">setPitchOctaves</tt><tt class="py-op">,</tt> <tt class="py-name">audio_data</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">,</tt> <tt class="py-name">octaves</tt><tt class="py-op">)</tt> </tt>
    161. 

  161. </div><a name="L100"></a><tt class="py-lineno">100</tt>  <tt class="py-line">     </tt>
    162. 

  162. <a name="Modify.shiftPitch"></a><div id="Modify.shiftPitch-def"><a name="L101"></a><tt class="py-lineno">101</tt> <a class="py-toggle" href="#" id="Modify.shiftPitch-toggle" onclick="return toggle('Modify.shiftPitch');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="echonest.modify.Modify-class.html#shiftPitch">shiftPitch</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">audio_data</tt><tt class="py-op">,</tt> <tt class="py-param">ratio</tt><tt class="py-op">=</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    163. 

  163. </div><div id="Modify.shiftPitch-collapsed" style="display:none;" pad="+++" indent="++++++++"></div><div id="Modify.shiftPitch-expanded"><a name="L102"></a><tt class="py-lineno">102</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">audio_data</tt><tt class="py-op">,</tt> <tt id="link-25" class="py-name"><a title="echonest.audio.AudioData" class="py-name" href="#" onclick="return doclink('link-25', 'AudioData', 'link-12');">AudioData</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    164. 

  164. <a name="L103"></a><tt class="py-lineno">103</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">TypeError</tt><tt class="py-op">(</tt><tt class="py-string">'First argument must be an AudioData object.'</tt><tt class="py-op">)</tt> </tt>
    165. 

  165. <a name="L104"></a><tt class="py-lineno">104</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-op">(</tt><tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">ratio</tt><tt class="py-op">,</tt> <tt class="py-name">int</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-name">isinstance</tt><tt class="py-op">(</tt><tt class="py-name">ratio</tt><tt class="py-op">,</tt> <tt class="py-name">float</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    166. 

  166. <a name="L105"></a><tt class="py-lineno">105</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">(</tt><tt class="py-string">'Ratio must be an int or float.'</tt><tt class="py-op">)</tt> </tt>
    167. 

  167. <a name="L106"></a><tt class="py-lineno">106</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">ratio</tt> <tt class="py-op">&lt;</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-op">(</tt><tt class="py-name">ratio</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">10</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
    168. 

  168. <a name="L107"></a><tt class="py-lineno">107</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt class="py-name">ValueError</tt><tt class="py-op">(</tt><tt class="py-string">'Ratio must be between 0 and 10.'</tt><tt class="py-op">)</tt> </tt>
    169. 

  169. <a name="L108"></a><tt class="py-lineno">108</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-26" class="py-name"><a title="echonest.modify.Modify.doInBlocks" class="py-name" href="#" onclick="return doclink('link-26', 'doInBlocks', 'link-14');">doInBlocks</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">setPitch</tt><tt class="py-op">,</tt> <tt class="py-name">audio_data</tt><tt class="py-op">.</tt><tt class="py-name">data</tt><tt class="py-op">,</tt> <tt class="py-name">ratio</tt><tt class="py-op">)</tt> </tt>
    170. 

  170. </div></div><a name="L109"></a><tt class="py-lineno">109</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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