On Mon, 15 Dec 2003 22:37:20 +0200 Juhana Sadeharju <[EMAIL PROTECTED]> wrote:
> Also an audiofile comparer program would be great to have: a program > which finds matching regions. Now it was easy to compare the regions > up to the "!" point with md5sum program, but it was difficult to compare > the end part due misaligning. I compared them visually at a few random > points. In such a comparer program each matching sample would match > bitwise for this application, but they could match with an error tolerance > if the application is to compare an original audio and an edited audio > which is affected by dither noise (say). So, such a comparer would > reveal what edits were done in an audio editor -- I have needed such > a program a few times earlier. I started a program like that based on libsndfile. Its definitely not as easy as you might at first think, especially when dealing with say 45 minutes worth of 96kHz/24bit/Stereo data :-). Maybe I should clean that code up a bit and post it. Erik -- +-----------------------------------------------------------+ Erik de Castro Lopo [EMAIL PROTECTED] (Yes it's valid) +-----------------------------------------------------------+ The word "Windows" is a word out of an old dialect of the Apaches. It means: "White man staring through glass-screen onto an hourglass..."
