[linux-audio-dev] Voice playback with varying speed and same pitch

[Paul Davis]

>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