Ref - HDTV Supply, Inc

Audio Specified (Dolby Digital 5.1, DTS 5.1, AAC, and PCM 2.1 CH.) Set the output audio signal as one of the following 4 standards: Dolby Digital. 5.1, DTS 5.1, AAC, or PCM 2.1 CH. For example, if the connected source device supports AAC audio format output, the output audio format of the MD-415ARC will be AAC as well. Notices: ................
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