aliasing (was Re: 1 bit DAC on CD)

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2 total messages Started by Tim Channon Tue, 07 Apr 1992 20:35

#186

Author: Tim Channon
Date: Tue, 07 Apr 1992 20:35

3 lines
437 bytes

Looks like 2f + DC to me!

TC.

Re: aliasing (was Re: 1 bit DAC on CD)

#205

Author: Peter Silsbee
Date: Mon, 13 Apr 1992 13:13

11 lines
773 bytes

In article <1992Apr07.203522.23393@demon.co.uk> Tim Channon <tchannon@cix.compulink.co.uk> writes:
>Looks like 2f + DC to me!
>
>TC.

The point is, 2f is greater than half the sampling frequency. If you 
send the signal through standard D/A hardware, i.e. a converter and a
low-pass filter, you will get DC and 2f/3 (if the original sine wave
had frequency f).

Peter

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