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Revision 488845 of NotifyAudioAvailableEvent

  • Revision slug: Web/API/NotifyAudioAvailableEvent
  • Revision title: NotifyAudioAvailableEvent
  • Revision id: 488845
  • Created:
  • Creator: kscarfone
  • Is current revision? No
  • Comment Updated tags

Revision Content

This interface defines the event for audio elements triggered when the Audiobuffer is full.

Attributes

Attribute Type Description
frameBuffer Float32Array The frameBuffer attribute contains a typed array (Float32Array) with the raw audio data (32-bit float values) obtained from decoding the audio (e.g., the raw data being sent to the audio hardware vs. encoded audio). This is of the form [channel1, channel2, ..., channelN, channel1, channel2, ..., channelN, ...]. All audio frames are normalized to a length of channels * 1024 by default, but could be any length between 512 and 16384 if the user has set a different length using the mozFrameBufferLength attribute.  Read only.
time float The time attribute contains a float representing the time in seconds of the first sample in the frameBuffer array since the start of the audio track.

 

Revision Source

<p>This interface defines the event for audio elements triggered when the Audiobuffer is full.</p>
<h2 id="Attributes">Attributes</h2>
<div id="section_2">
 <table class="standard-table">
  <tbody>
   <tr>
    <td class="header">Attribute</td>
    <td class="header">Type</td>
    <td class="header">Description</td>
   </tr>
   <tr>
    <td><code>frameBuffer</code></td>
    <td><a href="/en-US/docs/JavaScript/Typed_arrays/Float32Array"><code>Float32Array</code></a></td>
    <td>The <strong>frameBuffer</strong> attribute contains a typed array (<code>Float32Array</code>) with the raw audio data (32-bit float values) obtained from decoding the audio (e.g., the raw data being sent to the audio hardware vs. encoded audio). This is of the form [channel1, channel2, ..., channelN, channel1, channel2, ..., channelN, ...]. All audio frames are normalized to a length of channels * 1024 by default, but could be any length between 512 and 16384 if the user has set a different length using the <strong>mozFrameBufferLength</strong> attribute.&nbsp; <strong>Read only.</strong></td>
   </tr>
   <tr>
    <td><code>time</code></td>
    <td><code>float</code></td>
    <td>The <strong>time</strong> attribute contains a float representing the time in seconds of the first sample in the <strong>frameBuffer</strong> array since the start of the audio track.</td>
   </tr>
  </tbody>
 </table>
</div>
<p>&nbsp;</p>
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