4 ms·
The tone AC signal has to be converted to DC power supply. A higher frequency means smaller components needed to do the conversion. Size roughly inverse proport
by jonsen 15y ago
The tone AC signal has to be converted to DC power supply. A higher frequency means smaller components needed to do the conversion. Size roughly inverse proportional to frequency. So they probably chose close to the highest frequency possible on the audio output.
- mdda 15y agoIf the samples are put out at CD rates (44.1KHz) then 22.05KHz is the highest AC frequency available.