quantizer question

[Gert Jalass]

On Sat, 29 Aug 1998 22:48:46 -0600, you wrote:

>sooo...
>
>
>In looking at Chris list's ARP style quantizer, I can't help but
>ask if one could get away with using a cheeper 8 bit D to A
>converter. One that is like $3 insted of like $23? Since only 7
>bits are used anyway.
>
>is there a good reason why not?

Mark,

please keep in mind that DAC's do have tolerances ( e.g. 1 LSB - Least
Significant Bit ). Since it's required to quantize to e.g. semitones
You do need a very "good" DAC to keep audible errors to a minimum.
Therefore only the MSB's of the 12-Bit DAC are used.

Gert