2 ms·
For playbackRate attribute, following is interesting: >The cool thing is the audio pitch stays the same so human voices don’t go higher or lower and sound sill
by sytelus 12y ago
For playbackRate attribute, following is interesting:
>The cool thing is the audio pitch stays the same so human voices don’t go higher or lower and sound silly.
What algorithm would achieve that?
- Evan-Purkhiser 12y agoThis kind of feature can often be found on professional DJ equipment and is usually called "key lock" or "pitch lock". On Wikipedia its referred to as "Time Stretching" [1] [1] http://en.m.wikipedia.org/wiki/Audio_time-scale/pitch_modification http://en.m.wikipedia.org/wiki/Audio_time-scale/pitch_modifi...
- deleted 12y ago[deleted]
- JonnieCache 12y agoIt's called timestretching. You basically have to chop up the sound into little bits and play them back in a staggered fashion. The technology has a history from before the digital age: http://www.wendycarlos.com/other/Eltro-1967/index.html http://www.wendycarlos.com/other/Eltro-1967/index.html Boutique DSP developer Sean Costello has done a great series of articles here: https://valhalladsp.wordpress.com/2010/05/06/digital-pitch-shifting-early-work/ https://valhalladsp.wordpress.com/2010/05/06/digital-pitch-s...