[sdiy] Microchip DSP kit $60

[Samppa Tolvanen]

On 3/20/08, Scott Gravenhorst <music.maker at gte.net> wrote:

I think there's a dedicated codec for fancier stuff (with that 48KHz
sampling rate)

>
> Specifically, "PWM" - pulse width modulation - is that how they make audio
> out?  Not sure what the implications for that are with respect to things like
> aliasing, noise and distortion.

Worst case scenario: a simple RC filter. With low PWM rates all things
you mentioned prominently there - think of applications like
pre-recorded messages on telephone.

Samppa