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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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In Reply to: Digital dynamics and volume level ???? posted by Sean on March 31, 2000 at 09:06:13:
Digital is not 1 or 0 , it uses a a series of 1's and 0's to represent a number in the binary system. Thus when a signal is sampled both its freq and amplitude are sampled properly (Big numbers) and the number is then converted to a digital word of 0's and 1's for storage - its not a case of the music being on or off.
The level a CD is percieved to be is relative to its peaks , In digital there is no signal above 0dbfs (the max a signal can be in the digtal domain) so one makes sure the peak reaches that , if one has to push down the average level of the rest of the music to make sure the peak doesnt exceed 0dbfs then that track might sound softer then the rest - generally most CDs are mastered to sound the same in average level and a compressor is used on the peaks , IE instead of pushing the av level down , the peaks are reduced to enable the average level to be higer.
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Follow Ups
- Re: Digital dynamics and volume level ???? - Rodney Gold 09:36:13 03/31/00 (2)
- This intro by Philips might help you understand better... - Nemo 20:42:48 04/02/00 (1)
- Oops! Sorry Rodney! My previous post was for Sean :-) [nt] - Nemo 20:48:06 04/02/00 (0)
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