This command changes the playback speed. If a value less than 100 is given, the file will play faster (and thus the pitch will be higher), and a value greater than 100 will play the file slower (with a lower pitch). If the speed parameter is not received, then the playback will return to normal (100%).
INFO: The playback speed will only return to 100% playback speed if the rMP3 is reset/powered-up, or if this command is sent without the speed value.
IMPORTANT: This command is experimental as it tricks the VS10xx decoder into changing the playback speed, and as such, this is not necessarily a good/efficient way to change playback speed. The audio will more than likely create pops and glitches. Use at your own discretion.
speedis an optional parameter between 90 and 250. Values outside these limits will produce unpredictable results.
- This value represents the fractional speed increment for playback (percentage).
- e.g. a value 90 will play the file in 90% of the time it takes to play normally (i.e. faster), whereas a value of 120 will play the file in 120% of the time it takes to play normally (i.e. slower).
- A value of 0 (zero) or omitting this value will return playback speed to normal (100%).
Change the current playback speed to 95% (i.e. faster):