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Ultra-high vacuum (often spelled ultrahigh in American English, UHV) is the vacuum regime characterised by pressures lower than about 1 × 10 −6 pascals (1.0 × 10 −8 mbar; 7.5 × 10 −9 Torr). UHV conditions are created by pumping the gas out of a UHV chamber.
A compressed audio optical disc, MP3 CD, or MP3 CD-ROM or MP3 DVD is an optical disc (usually a CD-R, CD-RW, DVD-R or DVD-RW) that contains digital audio in the MP3 file format. Discs are written in the "Yellow Book" standard data format (used for CD-ROMs and DVD-ROMs), as opposed to the Red Book standard audio format (used for CD-DA audio CDs).
Compact Disc Digital Audio (CDDA or CD-DA), also known as Digital Audio Compact Disc or simply as Audio CD, is the standard format for audio compact discs. The standard is defined in the Red Book technical specifications , which is why the format is also dubbed "Redbook audio" in some contexts. [ 1 ]
Compact Disc Digital Audio (CD-DA), a CD that contains PCM encoded digital audio in the original "Red Book" CD-DA format; 5.1 Music Disc, an extension to the Red Book standard that uses DTS Coherent Acoustics 5.1 surround sound; Compressed audio optical disc, an optical disc storing MP3s and other compressed audio files as data, rather than in ...
CD-DA (Digital Audio) – originally published by Philips and Sony in 1981, [1] it was later standardized as IEC 60908:1987 [2] and later IEC 60908:1999. [3] CD-Text – a 1996 extension to CD-DA; CD-MIDI – part of the original Red Book standard; CD+G (plus Graphics) – an extension of the Red Book specifications used mainly for karaoke
UHV may refer to: Ultra-high vacuum, the vacuum regime characterised by pressures lower than about 10 −7 pascal; Ultra-high voltage, a classification of overhead power line with an operating voltage of higher than 800 kV; University of Houston–Victoria, a university in Victoria, Texas, US
Both Dave Ramsey and Suze Orman have shared their opinions about CDs, but Orman's stance makes a lot more sense. Read on to learn why.
Due to the popularity of CDs, a great deal of 44.1 kHz equipment exists, as does a great deal of audio recorded in 44.1 kHz (or multiples thereof). However, some more recent standards use 48 kHz in addition to or instead of 44.1 kHz. [2] In video, 48 kHz is now the standard, but for audio targeted at CDs, 44.1 kHz (and multiples) are still used.