<?xml version="1.0"?>
<query>
    <userid>[UserID]</userid> {/* required*/}
    <userkey>[UserKey]</userkey> {/* required*/}
    <action>addMedia</action> {/* required*/}
    <source>[SourceFile]</source> {/* required*/}
    <format> {/* required */}
        <output>mpegts</output> {/* required */}
        <supplementary_audio_descriptor>
            <mix_type>[0|1]</mix_type>
            <editorial_classification>[Classification]</editorial_classification>
            <language_code>[LanguageCode]</language_code>
        </supplementary_audio_descriptor>
        <audio_stream>
            <supplementary_audio_descriptor>
                <mix_type>[0|1]</mix_type>
                <editorial_classification>[Classification]</editorial_classification>
                <language_code>[LanguageCode]</language_code>
            </supplementary_audio_descriptor>
            {/* audio_stream params */}
        </audio_stream>
        <audio_stream>
            {/* audio_stream params */}
        </audio_stream>
    </format>
</query>

{
    "query": {
        "userid": "[UserID]", // required
        "userkey": "[UserKey]", // required
        "action": "[Action]", // required
        "source": "[SourceFile]", // required
        "format": {
            "output": "mpegts", // required
            "supplementary_audio_descriptor": {
                "mix_type": "[0|1]",
                "editorial_classification": "[Classification]",
                "language_code": "[LanguageCode]"
            },
            "audio_stream": [
                {
                    "supplementary_audio_descriptor": {
                        "mix_type": "[0|1]",
                        "editorial_classification": "[Classification]",
                        "language_code": "[LanguageCode]"
                    },
                    // audio_stream params
                },
                {
                    // audio_stream params
                }
            ]
        }
    }
}

Parameter	Description	Allowed Value	Default Value
mix_type	Indicates whether the audio stream is a complete and independent stream or whether it is a supplementary stream intended to be mixed with another audio stream	0 – Audio stream is a supplementary stream 1 – Audio stream is a complete and independent stream	none
editorial_classification	Indicates the editorial intention of the audio stream	0 – Main audio 1 – Audio description for the visually impaired 3 – Spoken subtitles for the visually impaired other values – user defined.	none
language_code	Language of the component	Valid ISO 639 language code	none