Panasonic Viera TX-L42WT50E Operating Instructions Manual page 44

Menu Item
Auto Gain Control
Volume Correction
Speaker Distance to
Wall
MPX
Audio Preference
Audio Type
SPDIF Selection
HDMI1 / 2 / 3 / 4 Input
44
Adjustments / Configurations (alternatives)
Automatically regulates large sound level differences between channels and
inputs [Off] / [On]
Adjusts the volume of individual channel or input mode
Compensates for the low frequency sound due to the distance between the
speakers and the wall [Over 30cm] / [Up to 30cm]
If the back space between the TV and wall is over 30 cm, [Over 30cm] is
recommended.
If the back space between the TV and wall is within 30 cm, [Up to 30cm] is
recommended.
Selects multiplex sound mode (if available)
[Stereo]: Use this normally.
[Mono]: When stereo signal cannot be received.
[M1] / [M2]: Available while mono signal is transmitted.
For Analogue mode
Selects the initial setting for audio tracks
[Auto] / [Multichannel] / [Stereo] / [MPEG]
Selectable options vary depending on the country you select.
[Auto]: Automatically selects the audio tracks if programme has more than two
tracks. The priority is given in the following order - Dolby Digital Plus, 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 digital signals
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 for
efficient storage and transmission.
MPEG is an audio compression method that compresses audio to the smaller
size without any considerable loss of audio quality.
Dolby Digital Plus and HE-AAC are the technologies for HD (High definition)
programmes.
For DVB mode
Narration settings for visually impaired users (only available in some countries)
[Standard] / [Visual Impaired]
Set to [Visual Impaired] to activate the narration sound track when available on
the broadcast.
For DVB mode
SPDIF: A standard audio transfer file format
Selects the initial setting for digital audio output signal from DIGITAL AUDIO OUT
and HDMI2 (ARC function) terminals [Auto] / [PCM]
[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.
For DVB mode or video contents of Media Player / Network services (p. 83, 95)
ARC (Audio Return Channel): A function of digital audio output using HDMI
cable
Selects to fit the input signal [Digital] / [Analogue] (p. 112)
[Digital]: When sound is carried via the HDMI cable connection
[Analogue]: When sound is not carried via the HDMI-DVI adaptor cable
connection
For HDMI input