Mooger5 wrote:You can add the D50/550 to the list A single PCM54HP is used for both Upper and Lower, probably because a MUX was cheaper than a second DAC.
Rasputin wrote:Mooger5 wrote:You can add the D50/550 to the list A single PCM54HP is used for both Upper and Lower, probably because a MUX was cheaper than a second DAC.
This may or may not be off-topic, but does anyone know exactly why the D-550 isn't as noisy as (some revisions of, at least) the D-50? What exactly did Roland change?
madtheory wrote:DACs were very expensive. Cost cutting was the only reason. For example, the budget drum machines that followed the Linn and OBDX all used multiplexing. There must be a way to find chip prices from back then?
More on topic, with all the advancements in speed and integration I wouldn´t be surprised if some if not all of the multichannel DACs were internally muxed. Same as always, just everything in one package.
I can see some high end 5.1 HT receiver using six DACs, but you know, is there any objective advantage? Was ever there any pro or semi pro audio interface with say eight outs each one with its own dac?
jxalex wrote:Wnat You mean? It really depends on the synthesizer itself.
My one thought as a experiment was like such to make, however I have no idea what are the real results. But moreover I would be interested just as a challenge, however I have no such noisy digital synthesizers in my setup which would be in a real need for higher signal-to-noise ratio.
Still after all things done I would do that trickery with several DACs with my ROland JD990 and JD800.
Also with my Korg M1R and Wavestation A/D I would do it, the most challenge is the parallel to serial conversion in order to add the digital AES/EBU output.
(However, just to get the digital 16bit stereo PCM data would not be at all difficult to get from that synth to me as I have I/O board and can make direct digital recording from Wavestation A/D
then add the digital output perhaps it will give the answer to the eternal question about the direct comparison with VSTs )
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