83
Meridian 1
3.5.2 Sound
Mode
Sound mode selections:
Press DUAL I / II key to set up bilingual program / MTS system. The function is to provide multi-channel TV sound.
MTS can receive dual, stereo, SAP (Secondary Audio Program), or Mono sound. SAP feature permits the TV station
to broadcast other information, such as audio in another language. With dual sound, you can enjoy the main sound
(normal program soundtrack) and the second language at the same time.
Choose the available sound mode for channels that is preset by TV broadcasting station.
Source
Detected Sound System
Current/Display Sound Mode
New/Next Sound Mode
Front-end
2CS Mono
Mono
Mono
2CS Stereo
Mono (forced)
Stereo
Stereo
Mono
(forced)
2CS Dual
Dual I
Dual II
Dual II
Dual I
NICAM Mono
NICAM Mono
FM/AM Mono
FM/AM Mono
NICAM Mono
NICAM Stereo
NICAM Stereo
FM/AM Mono (forced)
FM/AM Mono (forced)
NICAM Stereo
NICAM Dual
NICAM Dual I
NICAM Dual II
NICAM Dual II
FM/AM Mono (forced)
FM/AM Mono(forced) (option)
NICAM Dual I
The icon text “Mono” should show in red on screen when with mono (forced) is selected.
3.5.3 Sound Related Requirements
y
Volume control
Should be gradual change of sound level from zero to maximum output
y
Soft mute
A short and gradual increase of the sound to prevent the pop sound
during AC plug in/out, standby on/off, channel change, mute on/off
y
Lip Sync
To synchronise sound with video due to delay in video decoding
y
AVL
To stabilize the TV audio input level in the case of over/under-modulated
signal from non-standard broadcast transmission
4 User Interface Specification
TV controls can be reached via top control keypads or remote control
4.1 Side Controls
