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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: Re: 44.1 isn't compatible with 96 posted by Rodney Gold on February 22, 2001 at 02:45:42:
Rodney its because people have a very simplistic view of sampling.But, yes a zero sample is inserted to increase the data rate but a filter is required.
The simple 2x filter is like this(this is off the cuff so cutme some slack on the coeff):
Given samples S1,S2,S3,S4
to derive the new sample value between S3 and S4
= ((-.21)* S1) + ((.64)* S2) + ((.64)* S3) + ((-.21)* S4)You can go further if you like but simple connecting the dots isn't the way.
-CAL
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Follow Ups
- Re: 44.1 isn't compatible with 96 - Craig Luna 02/22/0111:25:59 02/22/01 (0)
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