I'd like to alter an audio signal by 20 hz... How could I do that?
- PhilomelLv 75 months ago
Do you want to modulate the audio signal?
Do you want to shift it up or down?
Go to a library and read books on Audio Engineering.
- 異域秦後人Lv 75 months ago
Use frequency adder circuit, common use phase locked loop IC.
- billrussell42Lv 75 months ago
Assuming this is just a simple audio signal, you can modulate it with an RF signal, say 1 MHz, then use a 1.00002 MHz RF signal to demodulate it.
- D gLv 75 months ago
the information is too limited to give effort