@java.lang.Override
  public com.google.cloud.video.livestream.v1.PreprocessingConfig.AudioOrBuilder
      getAudioOrBuilder() {
    return audio_ == null
        ? com.google.cloud.video.livestream.v1.PreprocessingConfig.Audio.getDefaultInstance()
        : audio_;
  }
<pre>
Audio preprocessing configuration.
</pre>

<code>.google.cloud.video.livestream.v1.PreprocessingConfig.Audio audio = 1;</code>
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/PreprocessingConfig.java