- 123 -(Auto / Multichannel / Stereo / MPEG)Selects the initial setting for audio tracks.● Selectable options vary depending on the country you select.Auto:Automatically selects the audio tracks if a programme has more thantwo tracks. The priority is given in the following order - Dolby DigitalPlus, HE-AAC, Dolby Digital, MPEG.Multichannel:The priority is given to multi-channel audio track.Stereo:The priority is given to stereo (2ch) audio track.MPEG:The priority is given to MPEG.● Dolby Digital Plus and Dolby Digital are the methods of coding digitalsignals developed by Dolby Laboratories. Apart from stereo (2ch) audio,these signals can be multi-channel audio.● HE-AAC is a perceptual coding method used to compress digital audio forefficient storage and transmission.● MPEG is an audio compression method that compresses audio to thesmaller size without any considerable loss of audio quality.● Dolby Digital Plus and HE-AAC are the technologies for HD (Highdefinition) programmes.● For DVB modeAudio Type(Standard / Visual Impaired)Narration settings for visually impaired users (only available in somecountries).● Set to Visual Impaired to activate the narration sound track when availableon the broadcast.● For DVB modeSPDIF Selection(Auto / PCM)Selects the initial setting for digital audio output signal from DIGITAL AUDIOand HDMI2 (ARC function) terminals.● SPDIF is a standard audio transfer file format.