Steinberg WaveLab Elements 7 Manual Página 420

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406 Glossary
Steinberg Limiter
Steinberg Maximizer
Glossary contents
15.50 NTSC
NTSC (from the US "National Television System Committee") is the analog television system
used in North America, parts of South America, Japan and some Pacific territories.
NTSC has 29.97 interlaced frames of video per second - a field refresh frequency of 59.94Hz
(actually 60Hz/1.001). Each frame consists of a total of 525 scanlines, 486 of which are
visible.
The digital terrestrial television (DTT) replacement for NTSC is ATSC ("Advanced Television
Standards Committee").
PAL/SECAM
Glossary contents
15.51 Ogg Vorbis files
Ogg Vorbis is a lossy compressed audio format and codec that produces files about the
same size as MP3 files but with objectively higher fidelity and no patent restrictions.
Vorbis is intended for sample rates from 8kHz telephony to 192kHz digital masters and a
range of channel representations that includes monaural, stereo, surround 5.1, ambisonic,
or up to 255 discrete channels. Vorbis is open source (free) software maintained by the
Xiph.Org Foundation.
The file extension is .ogg.
Audio File Format Dialog
Glossary contents
15.52 OSQ files
Original Sound Quality (OSQ) is WaveLab's proprietary lossless compressed audio for-
mat. By saving files in this format, you can save considerable disk space without compro-
mising audio quality.
The filename extension is .osq
Glossary contents
15.53 PAL/SECAM
PAL is short for "Phase Alternate Line"; SECAM is short for Séquentiel couleur à mémoire
("Sequential Color with Memory"). They are related analog television encoding systems used
WaveLab 7
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