I'd like to be able to adjust the tempo of the music I'm listening to or increase the speed of the speaker whose podcast I'm listening to without shifting the pitch of the audio. This has been a trick found in very basic digital sound editors since the late 90s at least, and it seems like it ought to be possible to do this in realtime on today's portable media players without too much trouble.
This isn't a new thing by any means. My old Toshiba laptop's DVD playing software could perform this trick with video, allowing me to watch a 60 minute episode of
Frontline in anywhere from 30 minutes to 3 hours depending on how alert I was feeling. Quicktime's "A/V Controls" menu lets me perform the same trick with individual video and audio files. I'd just like to see this functionality incorporated into mainstream players, preferably the portable ones that I have with me while I'm working out or driving.
I'd also like to be able to play songs backwards to check for messages from the devil.
Update: Thanks to
steeltoe there's a
partial solution: iPods already have this feature, and tagging the file as an Audiobook will enable it. Now if only I could do this for *all* tracks rather than just audiobooks.