[sdiy] I2C DAC

[Antti Huovilainen]

On Tue, 22 Jun 2010, Bruce Duncan wrote:

> I used to have an Ensoniq EPS which was 12bit. Wonder if it used an 
> interpolating dac?

Unlikely. The interpolation requires either DSP or dedicated ASIC 
circuitry. The only interpolating DACs I know of are all >= 14 bits, and 
the 14 bit ones were mostly used with early CD players.

Antti

"No boom today. Boom tomorrow. There's always a boom tomorrow"
   -- Lt. Cmdr. Ivanova

Ps. Sigma-delta no longer implies single bit DAC. Most sigma-delta audio 
DACs use a multibit converter as part of the loop to get better SNR.