blob: aaa4e16c98ddc250a8cf66e910caa4f6dd138f81 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
---
title: AudioProcessingEvent
slug: Web/API/AudioProcessingEvent
translation_of: Web/API/AudioProcessingEvent
---
<p>{{APIRef("Web Audio API")}}</p>
<div>
<p>The <a href="/en-US/docs/Web_Audio_API" title="/en-US/docs/Web_Audio_API">Web Audio API</a> <code>AudioProcessingEvent</code> represents events that occur when a {{domxref("ScriptProcessorNode")}} input buffer is ready to be processed.</p>
<div class="note">
<p><strong>Note</strong>: As of the August 29 2014 Web Audio API spec publication, this feature has been marked as deprecated, and is soon to be replaced by <a href="/en-US/docs/Web/API/Web_Audio_API#Audio_Workers">Audio Workers</a>.</p>
</div>
</div>
<h2 id="プロパティ">プロパティ</h2>
<p><em>The list below includes the properties inherited from its parent, {{domxref("Event")}}</em>.</p>
<table class="standard-table">
<thead>
<tr>
<th scope="col">プロパティ</th>
<th scope="col">型</th>
<th scope="col">説明</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>target</code> {{ReadOnlyInline}}</td>
<td>{{domxref("EventTarget")}}</td>
<td>The event target (the topmost target in the DOM tree).</td>
</tr>
<tr>
<td><code>type</code> {{ReadOnlyInline}}</td>
<td>{{domxref("DOMString")}}</td>
<td>The type of event.</td>
</tr>
<tr>
<td><code>bubbles</code> {{ReadOnlyInline}}</td>
<td><code>boolean</code></td>
<td>Does the event normally bubble?</td>
</tr>
<tr>
<td><code>cancelable</code> {{ReadOnlyInline}}</td>
<td><code>boolean</code></td>
<td>Is it possible to cancel the event?</td>
</tr>
<tr>
<td><code>playbackTime</code> {{ReadOnlyInline}}</td>
<td><code>double</code></td>
<td>The time when the audio will be played, as defined by the time of {{domxref("AudioContext.currentTime")}}</td>
</tr>
<tr>
<td><code>inputBuffer</code> {{ReadOnlyInline}}</td>
<td>{{domxref("AudioBuffer")}}</td>
<td>The buffer containing the input audio data to be processed. The number of channels is defined as a parameter, <code>numberOfInputChannels</code>, of the factory method {{domxref("AudioContext.createScriptProcessor()")}}. Note the the returned <code>AudioBuffer</code> is only valid in the scope of the <code>onaudioprocess</code> function.</td>
</tr>
<tr>
<td><code>outputBuffer</code> {{ReadOnlyInline}}</td>
<td>{{domxref("AudioBuffer")}}</td>
<td>The buffer where the output audio data should be written. The number of channels is defined as a parameter, <code>numberOfOutputChannels</code>, of the factory method {{domxref("AudioContext.createScriptProcessor()")}}. Note the the returned <code>AudioBuffer</code> is only valid in the scope of the <code>onaudioprocess</code> function.</td>
</tr>
</tbody>
</table>
<h2 id="Example">Example</h2>
<p>{{page("/en-US/docs/Web/API/AudioContext.createScriptProcessor","Example")}}</p>
<h2 id="Specifications">Specifications</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">Specification</th>
<th scope="col">Status</th>
<th scope="col">Comment</th>
</tr>
<tr>
<td>{{SpecName('Web Audio API', '#the-audioprocessingevent-interface---deprecated', 'AudioProcessingEvent')}}</td>
<td>{{Spec2('Web Audio API')}}</td>
<td> </td>
</tr>
</tbody>
</table>
<h2 id="Browser_compatibility">Browser compatibility</h2>
<div>{{CompatibilityTable}}</div>
<div id="compat-desktop">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Chrome</th>
<th>Firefox (Gecko)</th>
<th>Internet Explorer</th>
<th>Opera</th>
<th>Safari (WebKit)</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatChrome(10.0)}}{{property_prefix("webkit")}}</td>
<td>{{CompatGeckoDesktop(25.0)}} </td>
<td>{{CompatNo}}</td>
<td>15.0{{property_prefix("webkit")}}<br>
22 (unprefixed)</td>
<td>6.0{{property_prefix("webkit")}}</td>
</tr>
</tbody>
</table>
</div>
<div id="compat-mobile">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Android</th>
<th>Firefox Mobile (Gecko)</th>
<th>Firefox OS</th>
<th>IE Mobile</th>
<th>Opera Mobile</th>
<th>Safari Mobile</th>
<th>Chrome for Android</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatUnknown}}</td>
<td>26.0</td>
<td>1.2</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
<td>{{CompatUnknown}}</td>
<td>33.0</td>
</tr>
</tbody>
</table>
</div>
<h2 id="See_also">See also</h2>
<ul>
<li><a href="/en-US/docs/Web_Audio_API/Using_Web_Audio_API">Using the Web Audio API</a></li>
</ul>
|
