If you use it just for voice reproduction, 4 bit would be ok.

On 17 Jul 2003 at 18:28, Alan B. Pearce wrote:

> well have you tried Olin's HAL project? IIRC the audio in that is done by
> using the 8 bit data derived from a WAV file, to drive the PWM to get sound.
> Within a 16F876/7 he can have about 7 seconds of sound, but it should be
> possible to use external memory to achieve almost unlimited play times if
> required.
>

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