>I am currently trying to write a player for the DAISY 2 and 3 Digital Talking >Book formats for UNIX machines. One of the big great features of the >hardware DAISY players available is to set ones own prefers playback >speed while retaining the original pitch of the voice. This only works >within a certain percentage of variation of course, but it does >actually help a lot if you're used to fast speech. I am wondering >if there are any existing libraries/command-line tools to do this.
libsoundtouch appears to be the best open source resource for this at the present time. there is another open source pitch/tempo shifting but i forget its name. i had problems compiling and or using at a year or 18 months ago. --p
