DaveWr;381685 Wrote: > DBX tried to use a linear compression to improve performance of tape > recordings in general. So they mapped say 75dB of incoming signal > range to 50dB of outgoing. Then applied inverse approach on playback. > There were still the problems of how fast to react to big changes etc. - > but many thought it was an improvement. today this could be done in a > digital domain somewhat better. You can look forward in time to set > the compression etc. > > There was also briefly Dolby C for domestic cassette recorders which > aimed to compress and then re-expand high frequencies to improve tape > saturation and noise performance. > > However in many multitrack recordings today, the production may > employee instrument compression on individual tracks, or frequency > selective compression as well. Without the original multitrack and the > rules you can't get back to the original preprocessed signal. > > The ultimate truth is we get what the production engineers (and maybe > even the artists) want. Today overall fidelity seems to take more of a > back seat - compare reimastered vinyl in the 80s and 90s where they > tried to maximise the quality, with re-mastered cds - which in general > are to maximise effect or dramatically change the mix. > > Just 'google' loudness wars - then add your vote. > > Dave
Even with the rules, you can't go back! You would have to remix from the raw "multitrack". If you stick a signal through a compressor followed by an expander, you don't get the original signal out! Analogue or digital Compression is a one-way street. It's EXACTLY like WAV-MP3 - you cant ever get the WAV back. Once dynamic range is lost, the original accurate level information is lost. -- Phil Leigh You want to see the signal path BEFORE it gets onto a CD/vinyl...it ain't what you'd call minimal...SB3+Stontronics PSU - Altmann JISCO/UPCI - TACT 2.2X (Linear PSU) + Good Vibrations S/W - MF Triplethreat(Audiocom full mods)- Linn 5103 - Aktiv 5.1 system (6x LK140's, ESPEK/TRIKAN/KATAN/SEIZMIK 10.5), Townsend Supertweeters, Kimber & Chord cables Outdoors: Boombox+Creative Sub (If I remember to turn it on...) ------------------------------------------------------------------------ Phil Leigh's Profile: http://forums.slimdevices.com/member.php?userid=85 View this thread: http://forums.slimdevices.com/showthread.php?t=57872 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/audiophiles
