Panasonic TX-50CX700E Ehelp page 89

HE-AAC is a perceptual coding method used to compress digital audio for
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efficient storage and transmission.
MPEG is an audio compression method that compresses audio to the
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smaller size without any considerable loss of audio quality.
Dolby Digital Plus and HE-AAC are the technologies for HD (High
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definition) programmes.
For DVB
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SPDIF Selection
(Auto / PCM)
Selects the initial setting for digital audio output signal from DIGITAL AUDIO
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.
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 DVB, video content
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Media Player > Video mode > Audio output settings
Network > Videos > Audio output settings
PCM Optical Level
Adjusts the audio level of PCM output from DIGITAL AUDIO and HDMI2 (ARC
function) terminals to equalise with that of the other audio types.
SPDIF Delay
Adjusts the delay time of the sound output from DIGITAL AUDIO and HDMI2
(ARC function) terminals if the sound does not synchronise the image.
For DVB
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