Panasonic TH-40EX730Z Ehelp page 94

Digital Audio Preference
(DD / MPEG / HE-AAC)
Selects the initial setting for audio tracks.
DD:
The priority is given to Dolby Audio (Dolby Digital).
MPEG:
The priority is given to MPEG. (Australia only)
HE-AAC:
The priority is given to HE-AAC. (New Zealand only)
Dolby Audio (Dolby Digital) is the method of coding digital signals
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developed by the Dolby Laboratories. Apart from stereo (2ch) audio, these
signals can also be multichannel audio.
MPEG is an audio compression method that compresses audio to the
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smaller size without any considerable loss of audio quality. (Australia only)
HE-AAC is a perceptual coding method used to compress digital audio for
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efficient storage and transmission. (New Zealand only)
Not valid in Analogue TV
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SPDIF Selection
(Auto / PCM)
Selects the initial setting for digital audio output signal from DIGITAL AUDIO
OUT and HDMI2 (ARC function) terminals.
SPDIF is a standard audio transfer file format.
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Auto:
Dolby Audio (Dolby Digital, Dolby Digital Plus) and HE-AAC multi-
channel are output as Dolby Digital Bitstream. MPEG is output as PCM.
PCM:
Digital output signal is fixed to PCM.
ARC (Audio Return Channel) is a function of digital audio output using
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HDMI cable.
For Digital TV, video content
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Media Player > Playback > Audio output settings
Network > Videos > Audio output settings
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