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Author Topic: pre-emphasis (again)  (Read 885 times)

jherbert

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pre-emphasis (again)
« on: May 31, 2012, 11:57:24 pm »

I am re-ripping my cd collection to flac using dbpoweramp. There are some CDs that have pre-emphasis, and dbpoweramp handles this by showing emphasis and hdcd information after in the track technical column if configured to do so. In this case the information is also stored in a custom tag called "PRE-EMPHASIS" with YES,  blank and (probably) NO being valid values. mp3tag does show this tag, mediacenter unfortunately does not.

I plan to process those files with sox and having a way to list these (and thos carrying the hdcd flag, too) would be very helpful. I tried adding a custom tag named PRE-EMPHASIS, but this did not work. Any ideas?

p.s.: It would be even cooler to have de-emphasis at runtime, either by piping sox (don't know how to) or by using the sox filter parameters in dsp tools (don't know how to either). Combing this with the tag mentioned above would be the ultimate solution for those of us who own those old CDs.
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