On 5/2/19 9:30 AM, bari wrote:
On 5/1/19 11:03 PM, Gene Heskett wrote:
What used to be so hard to build and expensive in analog is often
replaced by software.
So it seems, but does it work as well?
As always the answer is "it depends".
How good are your coding skills? How well do you apply the math? How
well is that ADC/DAC really performing? Code doesn't drift much over
time the way electronic materials do in the analog world.
I recall having a discussion with Bob Pease about "audiophiles" and
distortion you can measure and distortion only they can hear.
This reminds me of my early years at National Semiconductor where I
supported PDP-11, peripherals, Sun Sparc systems, and at one time fixed
Bobs PC. His office was something I would take a picture of but that was
not easy in early 90's. Search for the messiest office in Silicon Valley
and you should find it ;-)
At one point Bob took his PC up to the roof of one building and dropped
it to the ground. I agree with his view and attitude toward PC
architecture. We are emulating PCs as virtual machines these days; BIOS,
ATA, SATA, SCSI, etc. How bad is that? No serious progress since Sun
(Microsystems) went down.
--
Rafael Skodlar
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