@java.lang.Override
  public final boolean isInitialized() {
    byte isInitialized = memoizedIsInitialized;
    if (isInitialized == 1) return true;
    if (isInitialized == 0) return false;

    memoizedIsInitialized = 1;
    return true;
  }
<pre>
Optional. Number of channels present in the audio data sent for
recognition. Note that this field is marked as OPTIONAL for backward
compatibility reasons. It is (and has always been) effectively REQUIRED.

The maximum allowed value is 8.
</pre>

<code>int32 audio_channel_count = 3 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The audioChannelCount.
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/ExplicitDecodingConfig.java