public Builder setChannelTag(int value) {

      channelTag_ = value;
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }
<pre>
For multi-channel audio, this is the channel number corresponding to the
recognized result for the audio from that channel.
For audio_channel_count = N, its output values can range from '1' to 'N'.
</pre>

<code>int32 channel_tag = 2;</code>

@param value The channelTag to set.
@return This builder for chaining.
java-speech/proto-google-cloud-speech-v1/src/main/java/com/google/cloud/speech/v1/SpeechRecognitionResult.java