public Builder setAudioEncodingValue(int value) {
      audioEncoding_ = value;
      bitField0_ |= 0x00000001;
      onChanged();
      return this;
    }
<pre>
Required. The format of the audio byte stream.
For now, streaming only supports PCM and OGG_OPUS. All other encodings
will return an error.
</pre>

<code>
.google.cloud.texttospeech.v1beta1.AudioEncoding audio_encoding = 1 [(.google.api.field_behavior) = REQUIRED];
</code>

@param value The enum numeric value on the wire for audioEncoding to set.
@return This builder for chaining.
java-texttospeech/proto-google-cloud-texttospeech-v1beta1/src/main/java/com/google/cloud/texttospeech/v1beta1/StreamingAudioConfig.java