x Digital Legato Linear (D.L.L.)
This is Sony proprietary technology that
allows low quality digital audio signals to be
played back with high quality sound. Old
recording or compressed audio often have
noise on the waveform and out-of-frequency
distortion, as well as harmonic distortion, in
the audio frequency is generated. Therefore
beat interference and ringing occur, and such
phenomena degrade the sound quality. The
D.L.L. feature eliminates these problems, and
gives you rich sound for music and movies.
x Dolby Digital
Digital audio encoding/decoding technology
developed by Dolby Laboratories, Inc. It
consists of front (left/right), center, surround
(left/right) and subwoofer channels. It is a
designated audio standard for DVD-video and
also known as 5.1 channels surround.
x Dolby Digital Plus
Dolby Digital Plus provides the flexibility and
efficiency to deliver more channels of
compelling surround sound for high-definition
video media. Its superior coding efficiencies
enable up to 7.1ch of high-quality
multichannel audio without negatively
impacting bit budgets allocated for video
performance or additional feature sets.
x Dolby Digital Surround EX
Acoustic technology developed by Dolby
Laboratories, Inc. Surround back information
is matrixed into regular left and right surround
channels so that the sound can be reproduced
in 6.1 channels. Active scenes, especially, are
recreated with a more dynamic and realistic
x Dolby Pro Logic II
This technology converts 2 channels stereo
recorded audio into 5.1 channels for playback.
Old movies encoded in the traditional stereo
format can be enhanced with 5.1 channels
x Dolby Pro Logic IIx
Technology for 7.1 channels (or 6.1 channels)
playback. Along with audio encoded in Dolby
Digital Surround EX, 5.1 channels Dolby
Digital encoded audio can be reproduced in
7.1 channels (or 6.1 channels). Furthermore,
existing stereo recorded content can also be
reproduced in 7.1 channels (or 6.1 channels).
x Dolby Surround (Dolby Pro
Audio processing technology developed by
Dolby Laboratories, Inc. Center and mono
surround information is matrixed into two
stereo channels. When reproduced, audio is
decoded and output in 4 channels surround
sound. This is the most common audio
processing method for DVD-video.
x Dolby TrueHD
Dolby TrueHD is Dolby's lossless audio
technology developed for high-definition
optical discs. Dolby TrueHD audio is bit-for-
bit identical to the original studio masters and
provides supreme-quality audio up to 8ch at
96 kHz/24 bit and up to 6ch at 192 kHz/24 bit.
Together with high-definition video, it offers
an unprecedented home theater experience.
Audio format used for a Super Audio CD.
DSD converts analog signals to digital and
records them directly, without adding any
processing, so that no information is omitted.
Recording and playback of high fidelity,
quality sound is achieved.
x DTS 96/24
A high sound quality digital signal format. It
records audio at a sampling frequency and bit
rate of 96 kHz/24 bit which is the highest
possible for DVD-video. The number of
playback channels varies depending on the