public com.google.protobuf.ByteString getChannelLayoutBytes(int index) {
      return channelLayout_.getByteString(index);
    }
<pre>
A list of channel names specifying layout of the audio channels.
This only affects the metadata embedded in the container headers, if
supported by the specified format. The default is `["fl", "fr"]`.

Supported channel names:

- `fl` - Front left channel
- `fr` - Front right channel
- `sl` - Side left channel
- `sr` - Side right channel
- `fc` - Front center channel
- `lfe` - Low frequency
</pre>

<code>repeated string channel_layout = 4;</code>

@param index The index of the value to return.
@return The bytes of the channelLayout at the given index.
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/AudioStream.java