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<div class="subTitle">com.google.cloud.dialogflow.v2</div>
<h2 title="Enum AudioEncoding" class="title">Enum AudioEncoding</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>java.lang.Enum&lt;<a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a>&gt;</li>
<li>
<ul class="inheritance">
<li>com.google.cloud.dialogflow.v2.AudioEncoding</li>
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<br>
<pre>public enum <span class="typeNameLabel">AudioEncoding</span>
extends java.lang.Enum&lt;<a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a>&gt;
implements <a href="https://developers.google.com/protocol-buffers/docs/reference/java/com/google/protobuf/ProtocolMessageEnum.html?is-external=true" title="class or interface in com.google.protobuf">ProtocolMessageEnum</a></pre>
<div class="block"><pre>
Audio encoding of the audio content sent in the conversational query request.
Refer to the [Cloud Speech API documentation](/speech/docs/basics) for more
details.
</pre>
Protobuf enum <code>google.cloud.dialogflow.v2.AudioEncoding</code></div>
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<caption><span>Enum Constants</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colOne" scope="col">Enum Constant and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_AMR">AUDIO_ENCODING_AMR</a></span></code>
<div class="block">
Adaptive Multi-Rate Narrowband codec.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_AMR_WB">AUDIO_ENCODING_AMR_WB</a></span></code>
<div class="block">
Adaptive Multi-Rate Wideband codec.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_FLAC">AUDIO_ENCODING_FLAC</a></span></code>
<div class="block">
[`FLAC`](https://xiph.org/flac/documentation.html) (Free Lossless Audio
Codec) is the recommended encoding because it is lossless (therefore
recognition is not compromised) and requires only about half the
bandwidth of `LINEAR16`.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_LINEAR_16">AUDIO_ENCODING_LINEAR_16</a></span></code>
<div class="block">
Uncompressed 16-bit signed little-endian samples (Linear PCM).</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_MULAW">AUDIO_ENCODING_MULAW</a></span></code>
<div class="block">
8-bit samples that compand 14-bit audio samples using G.711 PCMU/mu-law.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_OGG_OPUS">AUDIO_ENCODING_OGG_OPUS</a></span></code>
<div class="block">
Opus encoded audio frames in Ogg container
([OggOpus](https://wiki.xiph.org/OggOpus)).</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_SPEEX_WITH_HEADER_BYTE">AUDIO_ENCODING_SPEEX_WITH_HEADER_BYTE</a></span></code>
<div class="block">
Although the use of lossy encodings is not recommended, if a very low
bitrate encoding is required, `OGG_OPUS` is highly preferred over
Speex encoding.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_UNSPECIFIED">AUDIO_ENCODING_UNSPECIFIED</a></span></code>
<div class="block">
Not specified.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#UNRECOGNIZED">UNRECOGNIZED</a></span></code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_AMR_VALUE">AUDIO_ENCODING_AMR_VALUE</a></span></code>
<div class="block">
Adaptive Multi-Rate Narrowband codec.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_AMR_WB_VALUE">AUDIO_ENCODING_AMR_WB_VALUE</a></span></code>
<div class="block">
Adaptive Multi-Rate Wideband codec.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_FLAC_VALUE">AUDIO_ENCODING_FLAC_VALUE</a></span></code>
<div class="block">
[`FLAC`](https://xiph.org/flac/documentation.html) (Free Lossless Audio
Codec) is the recommended encoding because it is lossless (therefore
recognition is not compromised) and requires only about half the
bandwidth of `LINEAR16`.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_LINEAR_16_VALUE">AUDIO_ENCODING_LINEAR_16_VALUE</a></span></code>
<div class="block">
Uncompressed 16-bit signed little-endian samples (Linear PCM).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_MULAW_VALUE">AUDIO_ENCODING_MULAW_VALUE</a></span></code>
<div class="block">
8-bit samples that compand 14-bit audio samples using G.711 PCMU/mu-law.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_OGG_OPUS_VALUE">AUDIO_ENCODING_OGG_OPUS_VALUE</a></span></code>
<div class="block">
Opus encoded audio frames in Ogg container
([OggOpus](https://wiki.xiph.org/OggOpus)).</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_SPEEX_WITH_HEADER_BYTE_VALUE">AUDIO_ENCODING_SPEEX_WITH_HEADER_BYTE_VALUE</a></span></code>
<div class="block">
Although the use of lossy encodings is not recommended, if a very low
bitrate encoding is required, `OGG_OPUS` is highly preferred over
Speex encoding.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#AUDIO_ENCODING_UNSPECIFIED_VALUE">AUDIO_ENCODING_UNSPECIFIED_VALUE</a></span></code>
<div class="block">
Not specified.</div>
</td>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#forNumber-int-">forNumber</a></span>(int&nbsp;value)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>static <a href="https://developers.google.com/protocol-buffers/docs/reference/java/com/google/protobuf/Descriptors.EnumDescriptor.html?is-external=true" title="class or interface in com.google.protobuf">Descriptors.EnumDescriptor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#getDescriptor--">getDescriptor</a></span>()</code>&nbsp;</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="https://developers.google.com/protocol-buffers/docs/reference/java/com/google/protobuf/Descriptors.EnumDescriptor.html?is-external=true" title="class or interface in com.google.protobuf">Descriptors.EnumDescriptor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#getDescriptorForType--">getDescriptorForType</a></span>()</code>&nbsp;</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#getNumber--">getNumber</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="https://developers.google.com/protocol-buffers/docs/reference/java/com/google/protobuf/Descriptors.EnumValueDescriptor.html?is-external=true" title="class or interface in com.google.protobuf">Descriptors.EnumValueDescriptor</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#getValueDescriptor--">getValueDescriptor</a></span>()</code>&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>static <a href="https://developers.google.com/protocol-buffers/docs/reference/java/com/google/protobuf/Internal.EnumLiteMap.html?is-external=true" title="class or interface in com.google.protobuf">Internal.EnumLiteMap</a>&lt;<a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#internalGetValueMap--">internalGetValueMap</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#valueOf-com.google.protobuf.Descriptors.EnumValueDescriptor-">valueOf</a></span>(<a href="https://developers.google.com/protocol-buffers/docs/reference/java/com/google/protobuf/Descriptors.EnumValueDescriptor.html?is-external=true" title="class or interface in com.google.protobuf">Descriptors.EnumValueDescriptor</a>&nbsp;desc)</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>static <a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#valueOf-int-">valueOf</a></span>(int&nbsp;value)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
<div class="block"><span class="deprecationComment">Use <a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#forNumber-int-"><code>forNumber(int)</code></a> instead.</span></div>
</div>
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<tr id="i8" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#valueOf-java.lang.String-">valueOf</a></span>(java.lang.String&nbsp;name)</code>
<div class="block">Returns the enum constant of this type with the specified name.</div>
</td>
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<td class="colFirst"><code>static <a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a>[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#values--">values</a></span>()</code>
<div class="block">Returns an array containing the constants of this enum type, in
the order they are declared.</div>
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<h4>AUDIO_ENCODING_UNSPECIFIED</h4>
<pre>public static final&nbsp;<a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a> AUDIO_ENCODING_UNSPECIFIED</pre>
<div class="block"><pre>
Not specified.
</pre>
<code>AUDIO_ENCODING_UNSPECIFIED = 0;</code></div>
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<h4>AUDIO_ENCODING_LINEAR_16</h4>
<pre>public static final&nbsp;<a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a> AUDIO_ENCODING_LINEAR_16</pre>
<div class="block"><pre>
Uncompressed 16-bit signed little-endian samples (Linear PCM).
</pre>
<code>AUDIO_ENCODING_LINEAR_16 = 1;</code></div>
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<h4>AUDIO_ENCODING_FLAC</h4>
<pre>public static final&nbsp;<a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a> AUDIO_ENCODING_FLAC</pre>
<div class="block"><pre>
[`FLAC`](https://xiph.org/flac/documentation.html) (Free Lossless Audio
Codec) is the recommended encoding because it is lossless (therefore
recognition is not compromised) and requires only about half the
bandwidth of `LINEAR16`. `FLAC` stream encoding supports 16-bit and
24-bit samples, however, not all fields in `STREAMINFO` are supported.
</pre>
<code>AUDIO_ENCODING_FLAC = 2;</code></div>
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<pre>public static final&nbsp;<a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a> AUDIO_ENCODING_MULAW</pre>
<div class="block"><pre>
8-bit samples that compand 14-bit audio samples using G.711 PCMU/mu-law.
</pre>
<code>AUDIO_ENCODING_MULAW = 3;</code></div>
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<h4>AUDIO_ENCODING_AMR</h4>
<pre>public static final&nbsp;<a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a> AUDIO_ENCODING_AMR</pre>
<div class="block"><pre>
Adaptive Multi-Rate Narrowband codec. `sample_rate_hertz` must be 8000.
</pre>
<code>AUDIO_ENCODING_AMR = 4;</code></div>
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<pre>public static final&nbsp;<a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a> AUDIO_ENCODING_AMR_WB</pre>
<div class="block"><pre>
Adaptive Multi-Rate Wideband codec. `sample_rate_hertz` must be 16000.
</pre>
<code>AUDIO_ENCODING_AMR_WB = 5;</code></div>
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<pre>public static final&nbsp;<a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a> AUDIO_ENCODING_OGG_OPUS</pre>
<div class="block"><pre>
Opus encoded audio frames in Ogg container
([OggOpus](https://wiki.xiph.org/OggOpus)).
`sample_rate_hertz` must be 16000.
</pre>
<code>AUDIO_ENCODING_OGG_OPUS = 6;</code></div>
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<pre>public static final&nbsp;<a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a> AUDIO_ENCODING_SPEEX_WITH_HEADER_BYTE</pre>
<div class="block"><pre>
Although the use of lossy encodings is not recommended, if a very low
bitrate encoding is required, `OGG_OPUS` is highly preferred over
Speex encoding. The [Speex](https://speex.org/) encoding supported by
Dialogflow API has a header byte in each block, as in MIME type
`audio/x-speex-with-header-byte`.
It is a variant of the RTP Speex encoding defined in
[RFC 5574](https://tools.ietf.org/html/rfc5574).
The stream is a sequence of blocks, one block per RTP packet. Each block
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by one or more frames of Speex data, padded to an integral number of
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is replaced with a single byte containing the block length. Only Speex
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</pre>
<code>AUDIO_ENCODING_SPEEX_WITH_HEADER_BYTE = 7;</code></div>
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<pre>public static final&nbsp;<a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a> UNRECOGNIZED</pre>
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<pre>public static final&nbsp;int AUDIO_ENCODING_UNSPECIFIED_VALUE</pre>
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Not specified.
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<code>AUDIO_ENCODING_UNSPECIFIED = 0;</code></div>
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<pre>public static final&nbsp;int AUDIO_ENCODING_LINEAR_16_VALUE</pre>
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Uncompressed 16-bit signed little-endian samples (Linear PCM).
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<code>AUDIO_ENCODING_LINEAR_16 = 1;</code></div>
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<pre>public static final&nbsp;int AUDIO_ENCODING_FLAC_VALUE</pre>
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[`FLAC`](https://xiph.org/flac/documentation.html) (Free Lossless Audio
Codec) is the recommended encoding because it is lossless (therefore
recognition is not compromised) and requires only about half the
bandwidth of `LINEAR16`. `FLAC` stream encoding supports 16-bit and
24-bit samples, however, not all fields in `STREAMINFO` are supported.
</pre>
<code>AUDIO_ENCODING_FLAC = 2;</code></div>
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<dd><a href="../../../../../constant-values.html#com.google.cloud.dialogflow.v2.AudioEncoding.AUDIO_ENCODING_FLAC_VALUE">Constant Field Values</a></dd>
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<pre>public static final&nbsp;int AUDIO_ENCODING_MULAW_VALUE</pre>
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8-bit samples that compand 14-bit audio samples using G.711 PCMU/mu-law.
</pre>
<code>AUDIO_ENCODING_MULAW = 3;</code></div>
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<pre>public static final&nbsp;int AUDIO_ENCODING_AMR_VALUE</pre>
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Adaptive Multi-Rate Narrowband codec. `sample_rate_hertz` must be 8000.
</pre>
<code>AUDIO_ENCODING_AMR = 4;</code></div>
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<pre>public static final&nbsp;int AUDIO_ENCODING_AMR_WB_VALUE</pre>
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Adaptive Multi-Rate Wideband codec. `sample_rate_hertz` must be 16000.
</pre>
<code>AUDIO_ENCODING_AMR_WB = 5;</code></div>
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<pre>public static final&nbsp;int AUDIO_ENCODING_OGG_OPUS_VALUE</pre>
<div class="block"><pre>
Opus encoded audio frames in Ogg container
([OggOpus](https://wiki.xiph.org/OggOpus)).
`sample_rate_hertz` must be 16000.
</pre>
<code>AUDIO_ENCODING_OGG_OPUS = 6;</code></div>
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<dd><a href="../../../../../constant-values.html#com.google.cloud.dialogflow.v2.AudioEncoding.AUDIO_ENCODING_OGG_OPUS_VALUE">Constant Field Values</a></dd>
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<pre>public static final&nbsp;int AUDIO_ENCODING_SPEEX_WITH_HEADER_BYTE_VALUE</pre>
<div class="block"><pre>
Although the use of lossy encodings is not recommended, if a very low
bitrate encoding is required, `OGG_OPUS` is highly preferred over
Speex encoding. The [Speex](https://speex.org/) encoding supported by
Dialogflow API has a header byte in each block, as in MIME type
`audio/x-speex-with-header-byte`.
It is a variant of the RTP Speex encoding defined in
[RFC 5574](https://tools.ietf.org/html/rfc5574).
The stream is a sequence of blocks, one block per RTP packet. Each block
starts with a byte containing the length of the block, in bytes, followed
by one or more frames of Speex data, padded to an integral number of
bytes (octets) as specified in RFC 5574. In other words, each RTP header
is replaced with a single byte containing the block length. Only Speex
wideband is supported. `sample_rate_hertz` must be 16000.
</pre>
<code>AUDIO_ENCODING_SPEEX_WITH_HEADER_BYTE = 7;</code></div>
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<dd><a href="../../../../../constant-values.html#com.google.cloud.dialogflow.v2.AudioEncoding.AUDIO_ENCODING_SPEEX_WITH_HEADER_BYTE_VALUE">Constant Field Values</a></dd>
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<pre>public static&nbsp;<a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a>[]&nbsp;values()</pre>
<div class="block">Returns an array containing the constants of this enum type, in
the order they are declared. This method may be used to iterate
over the constants as follows:
<pre>
for (AudioEncoding c : AudioEncoding.values())
&nbsp; System.out.println(c);
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The string must match <i>exactly</i> an identifier used to declare an
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public static&nbsp;<a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html" title="enum in com.google.cloud.dialogflow.v2">AudioEncoding</a>&nbsp;valueOf(int&nbsp;value)</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">Use <a href="../../../../../com/google/cloud/dialogflow/v2/AudioEncoding.html#forNumber-int-"><code>forNumber(int)</code></a> instead.</span></div>
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