PRV-9000 Operating Instructions
Aspect Ratio
The width of a television screen relative to its height. Conventional TVs are 4:3 (screen being close to square) while
Chapter
A title on a DVD is divided in to smaller segments called chapters. See also Title.
Digital Audio
An indirect representation of sound by numbers. During recording, the sound is measured at discrete intervals (44, 100 times a second for CD audio) by an
Dolby Digital
With
DTS
DTS (Digital Theater System) is a surround sound system similar in quality to Dolby Digital.
Dynamic Range
The difference between the softest and the loudest sounds possible in an audio signal without distortion or
MPEG Audio
MPEG is an audio format used on Video CDs and some DVD discs. The PRV- 9000 can convert MPEG audio to the CPM format for wider compatibility with digital recorders and AV amplifiers. See also PCM.
MPEG Video
MPEG video format is used for Video CDs and DVDs. Video CD uses the older
Optical Digital Output
A port or jack that carries digital audio signals as light pulses. The special optical cord may be purchased from most audio dealers.
PCM (Pulse Code Modulation)
PCM is the most common system of encoding digital audio on to CDs and DAT sources. PCM provides excellent quality but requires excessive amounts of data when compared to formats such as Dolby Digital and MPEG Audio. For compatibility with digital audio recorders (CD, MD, and DAT) and AV amplifiers with digital inputs, the
PBC (PlayBack Control)
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