public com.google.cloud.video.livestream.v1.PreprocessingConfig.Audio getAudio() {
      if (audioBuilder_ == null) {
        return audio_ == null
            ? com.google.cloud.video.livestream.v1.PreprocessingConfig.Audio.getDefaultInstance()
            : audio_;
      } else {
        return audioBuilder_.getMessage();
      }
    }
<pre>
Audio preprocessing configuration.
</pre>

<code>.google.cloud.video.livestream.v1.PreprocessingConfig.Audio audio = 1;</code>

@return The audio.
java-video-live-stream/proto-google-cloud-live-stream-v1/src/main/java/com/google/cloud/video/livestream/v1/PreprocessingConfig.java