On Mon, 31 Jan 2005 18:25:58 +0100, Dirk Jagdmann <doj@xxxxxxxxx> wrote: > Phillip Blevins wrote: > > Ah, thanks for the suggestion, I had wondered about using a high > > sample rate at high speed and then slowing it down. Any idea how > > slowing the file down could be accomplished? > > The trick here is to just record and don't make any conversion. How will > then just need to alter the WAV header to the correct sample rate (this > can be done on good audio software). I'll explain this closer. > > We assume you have a tape running at 4x speed. Then you'll sample with > 88.2KHz. If you would play back this recorded sample with 22KHz then it > will be played 4x too slow. But has we have recorded it 4x too fast > you'll have the correct speed. > > Every good audio/sample editor can adjust the sample rates *without* any > conversion (so they just alter the values in the file headers). If you > favourite sample editor insists on converting sample rates you should > either get yourself a better program or just load a hex editor and > change those 4 bytes for yourself (assuming .wav). Thanks for the info, I found that its very easy to do from audacity and it does indead slow things down :-). i don't have access to a high speed player (yet) but I'll give it a try soon. > > As for my track splitting question - I've found tracksplit > > http://sourceforge.net/projects/tracksplit/ which allows me to > > specify a minimum track lenth the and the amount of silence to split > > on. This turns out to be perfect for voice wave data. > > [I posted this answer again to LAU, as I think other might be interested > in my anser as well.] > > -- > ---> doj / cubic > ----> http://cubic.org/~doj > -----> http://llg.cubic.org >
