public void setAudio(AudioParameters audio) {
        this.audio = audio;
    }
<p>
A section of the request body that specifies the audio parameters.
</p>

@param audio
       A section of the request body that specifies the audio parameters.
aws-java-sdk-elastictranscoder/src/main/java/com/amazonaws/services/elastictranscoder/model/CreatePresetRequest.java