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- Path: cs.tu-berlin.de!bjote
- From: bjote@cs.tu-berlin.de (Tor-Einar Jarnbjo)
- Newsgroups: comp.sys.amiga.audio
- Subject: Re: Paula chip and Amiga audio
- Date: 5 Feb 1996 10:31:55 GMT
- Organization: Technical University of Berlin, Germany
- Message-ID: <4f4mar$hqg@news.cs.tu-berlin.de>
- References: <wfblanDL5rJB.IK8@netcom.com> <wfblanDLKurL.6rz@netcom.com> <4e05du$4dv@serpens.rhein.de> <judas.0ho5@tomtec.abg.sub.org> <4ekcsm$13p@news.jhu.edu> <4f3gn9$q7m@news.fonorola.net>
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- Clay Hellman (hellmanc@spots.ab.ca) wrote:
-
- : Also, lower sampling rates generate more audible aliasing frequencies.
- : Aliasing frequencies are always present - even at 44kHz. But at
- : 44kHz, they are inaudible because of their high pitch. They are also
- : most likely filtered out by most CD players/soundcards, etc, since a
- : lowpass filter that filters sounds above 22khz is not going to audibly
- : effect the frequency response like a 11kHz lowpass filter would.
- : (Unless you are a dog!!)
-
- : These aliasing frequencies aren't necessarily 'Noise', although they
- : definitely contribute to a loss of sound quality along with the
- : limited frequency response.
-
- Isn't there a great rule saying that everything which does not
- "belong" to the signal, is to be considered as noise. Concluding
- that these frequencies are noise?
-
- Tor-Einar
-
- --
- Tor-Einar Jarnbjo, bjote@cs.tu-berlin.de
-
- Steinbach's Guideline for Systems Programming:
- Never test for an error condition you don't know how to handle
-