public void setChannels(Integer channels) {
        this.channels = channels;
    }
Optional. Specify the number of channels in this output audio track. Choosing Mono on the console gives you 1
output channel; choosing Stereo gives you 2. In the API, valid values are 1 and 2. The default value is 2.

@param channels
       Optional. Specify the number of channels in this output audio track. Choosing Mono on the console gives
       you 1 output channel; choosing Stereo gives you 2. In the API, valid values are 1 and 2. The default value
       is 2.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/VorbisSettings.java