Panasonic TH-P50ST60Z Quick Manual page 143

(Dolby D / HE-AAC)
Selects the initial setting for audio tracks.
Dolby D:
The priority is given to Dolby Digital.
HE-AAC:
The priority is given to HE-AAC.
Dolby Digital is the method of coding digital signals developed by the
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Dolby Laboratories. Apart from stereo (2ch) audio, these signals can also
be multi-channel audio.
HE-AAC is a perceptual coding method used to compress digital audio for
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efficient storage and transmission.
For Digital 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 Digital Plus, Dolby Digital and HE-AAC multi-channel are output
as Dolby Digital Bitstream. MPEG is output as PCM. DTS is output as
DTS for video contents of Media Player / Network services.
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 or video contents of Media Player / Network services
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Media Player
Home network
HDMI1 / 2 / 3 Input
(Digital / Analogue)
Selects to fit the input signal.
Watching
Digital:
When sound is carried via the HDMI cable connection
Analogue:
Video mode Audio output settings
Videos Audio output settings
External equipment HDMI features
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