Mnyb wrote: > Yes this is a quite common case the existing master is 44,1kHz or > sometimes 24/48 which seems to be the popular music standard some niche > audiophile or some classical labels may use higher resolution but they > are the exception . >
An interesting instance of 20-ish kHz band limiting can be found in LP needle drops. For example take a look at this one which shows clear evidnce of digital processing:24311 How might this come to be? Starting in the late 1960s digital delay devices such as the Ampex ADD-1 were used to provide a look-ahead facility for automating disk cutting by increasing groove pitch for loud passages: 24312 This device was placed in line with the electronics that drove the cutter:24312 +-------------------------------------------------------------------+ |Filename: ampex add-1 figure 1 dB magazine 1979-11.jpg | |Download: http://forums.slimdevices.com/attachment.php?attachmentid=24312| +-------------------------------------------------------------------+ ------------------------------------------------------------------------ arnyk's Profile: http://forums.slimdevices.com/member.php?userid=64365 View this thread: http://forums.slimdevices.com/showthread.php?t=108499 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/audiophiles
