On Fri, Aug 15, 2003 at 08:21:19PM -0500, Tom Brinkman wrote: > On Friday August 15 2003 03:47 pm, Brant Fitzsimmons wrote: > > Michael Adams wrote: > > >On Fri, 15 Aug 2003 10:36:02 -0400 > > > > > >Brant Fitzsimmons <[EMAIL PROTECTED]> wrote: > > >>Anarky wrote: > > >>> is there like a audio conversion tool that can handle all > > >>> different stuff like this (like saving as an mp3 with a > > >>> different bitrate/stereo/mono, converting to wave, or > > >>> compressing back)? Is there like an unified toool like this > > >>> with some gui? > > >> > > >>Yes. > > >> > > >>http://rezound.sourceforge.net/ > > > > > >Wouldn't this be accumulating losses exponentially? > > >Like 5% loss in original mp3. Convert to wav then 5% loss from > > > wav to ogg = total loss of 25%. Of course i may be blowing > > > smoke. > > > > I don't believe it would accumulate like that. I think that if > > you recompress an .mp3 to another lossy file format you *may* > > have a cumulative loss of quality relative to the original > > uncompressed .wav file. I think it depends on the compression > > format that is being used on both files. > > > > If you save an .mp3 as a wav file it will have the same quality > > as the .mp3 but with a much larger file size. It will not > > increase the quality of the file. It can't get any better than > > the file from which it is created (the mp3). It will sound > > exactly the same and will take up 5, 6, 7 or more times the space > > on your hard drive depending on the bit rate of the original > > file. To get the best quality you need to create compressed > > files directly from the original wav. > > Well y'all surely got this figured better than I can. I know tho > if I take a 800mb movie an an rescale it usin > > mencoder input.mpg [or .avi or .wmv] -ovc lavc -lavcopts > vcodec=mpeg4 -vop scale=640:480 -oac copy -o output.avi > > The output.avi MB's are cut in half, the quality difference isn't > discernable. I can burn it to a CDr along with a smaller movie, > whereas before it wouldn't fit by itself. I've yet to have a need > to rescale mp3's or wav's tho. Cdr's are cheap, I already fit > around 20 to 25 normalized wav's to an audio CDr, 100 to 125 mp3's > to a data CDr ;)
Have you tried vcd for video? You might get even better compression. I'm a strictly ogg operation now, and I only keep the files on my computer and CF to play through headphones on my Zaurus. I have an 8GB hard drive just for that, and I have just about my entire CD collection on it at ogg -q3. Note: some bastard(s) stole over 50 of my CDs a few years back, and I haven't even come close to replacing them what with the bastards that sell CDs charge so freakin' much. I mean, should I have to pay $20 for Larry Carlton's self-titled/Room 335 album? Plus I had two copies of one album on vinyl, then bought it on CD. (Luckily someone in a.b.ogg had that one!) Wait, I'm just rambling now . . . Honestly, I can't tell a difference between -q 3 and -q 4. Todd -- Name that tune #7: A lot of people don't have much food on their table, but they got a lot of forks and knives; well they gotta cut something.
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