58
Glossary
Audio channel for DVD (ch)
Sound is divided into channels based on the sound’s role.
Example: 5.1 channel
≥Front speakers— 1 left channel and 1 right channel
≥ Center speaker— 1 channel
≥ Surround speakers— 1 left channel and 1 right channel
≥Subwoofer— 1 channel a0.1 (the ratio of bass to the total
amount of sound output)
The following are indicated on the On-Screen Menu Icons.
Example: 3/2 .1ch
.1: Subwoofer signal
(not displayed if there is no subwoofer signal)
0: No surround
1: Mono surround
2: Stereo surround ( left/right)
1: Center
2: Front leftiFront right
3: Front leftiFront rightiCenter
Bitstream
Digitized and compressed audio signal
It is decoded by decoders into multi-channel audio signals, such as
5.1 channels.
Decoder
A decoder restores the coded audio signals on DVDs to normal.
This is called decoding.
Dolby Digital
This is a method of coding digital signals developed by Dolby
Laboratories. Apart from stereo (2-channel) audio, these signals
can also be 5.1-channel audio. A large amount of audio
information can be recorded on one disc using this method.
Dolby Pro Logic
A surround system where a 4-channel audio track is recorded as 2
channels and then is restored to 4 channels for play.
DTS (Digital Theater Systems)
This surround system is used in many movie theaters around the