Thread: How can I tell music has been an MP3? Quantitative Measurement of Fidelity
View Single Post
  #3 (permalink)  
Old June 27th 07, 01:19 AM posted to rec.audio.tech,uk.rec.audio,rec.audio.pro,sci.physics
Robert Orban
external usenet poster
  
Posts: 7
Default How can I tell music has been an MP3? Quantitative Measurement of Fidelity
In article .com,
says...


I have been disappointed with the audio quality of some CDs I have
bought recently. Is there a free program I can use to get an accepted
measurement of fidelity? (like a signal to noise ratio)

I have my suspicious that some may have been stored an MP3s and then
"unripped" in the factory. So how can I tell for certain if my CD has
been an MP3, or other lossy format? I'd hope mp3 storage would leave
different markers than the original tape, for example.

To get a good measure I'd expect some Fourier transforms and signal
analysis to be done, so this should be relevant to sci.physics.


http://www.hydrogenaudio.org/forums/...howtopic=34845

http://www.carnet.hr/CUC/cuc2004/pro...da/b1_full.pdf

http://opticom.de/