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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: Suggestion........ posted by jedrider on July 13, 2014 at 08:03:05:
Exact audio copy allows comparing two WAV files for equality. This will work providing there are no offset errors. If there are offset errors (different number of empty samples at the start of the two files) then EAC won't necessarily give a complete picture of what is going on. In which case, a better approach is to use an audio editor to look at the individual samples and line them up. Then you can mix them together with one of the two out of polarity to get a difference file. This should be all zeros, but if there are errors you will be able to find them. I assume this can be done with free editors such as Audacity. I have been using Soundforge Pro 10 for a number of years and do these comparisons from time to time.
You should be aware that offset errors and changes to headers have been reported as causing audible differences. According to digital theory, if the samples are the same there should be no audible difference due to changes in headers, MP3 tags, file names, etc., but theory is nearly always trumped by practice. Changes in headers but not samples can produce audible differences, at least on some systems that are sensitive to things that, in an ideal world, they should not be sensitive to.
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
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Follow Ups
- RE: Suggestion........ - Tony Lauck 09:28:17 07/13/14 (4)
- RE: Suggestion........ - cfraser 10:24:29 07/13/14 (3)
- RE: Suggestion........ - Tony Lauck 10:50:32 07/13/14 (2)
- RE: Suggestion........ - cfraser 11:24:23 07/13/14 (1)
- RE: Suggestion........ - jedrider 07:29:25 07/14/14 (0)
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