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- Xref: sparky comp.sys.atari.st:13655 rec.audio:12399 sci.skeptic:16305
- Newsgroups: comp.sys.atari.st,rec.audio,sci.skeptic
- Path: sparky!uunet!world!dmoran
- From: dmoran@world.std.com (david r moran)
- Subject: Re: sampling and human hearing range (was Re: (none))
- Message-ID: <BuG1wq.85E@world.std.com>
- Organization: The World Public Access UNIX, Brookline, MA
- References: <2250287@overmind.citadel> <1992Sep11.173910.279@u.washington.edu>
- Date: Sat, 12 Sep 1992 02:36:25 GMT
- Lines: 37
-
- In article <1992Sep11.173910.279@u.washington.edu> mpark@milton.u.washington.edu (Michael Park) writes:
- >In article <2250287@overmind.citadel> only_bbs!JOHN_LOCKARD@overmind.mind.org writes:
- >...
- >> Between the sampling rates of twice the freqency and four times
- >> the freqency of the sine-wave you get complex phase, frequency,
- >> and amplitude distortions that aren't easy to filter out.
- >>
- >> That's why to get the 35KHz wave that the human ear is supposed
- >> to detect you need at least 100KHz or more to reproduce the sound.
- >
- >Does anyone have a reference to the [British?] research that
- >supposedly demonstrates that the ear can detect "nuances" in
- >sound up to 35kHz? Or any research that demonstrates that the
- >conventionally-accepted human hearing range (~20Hz to ~20kHz)
- >needs to be reconsidered?
- >How about the idea that signals must be sampled at _three_ times
- >their highest frequency?
- >
- >[newsgroups: comp.sys.atari.st - where this started
- > rec.audio - surely some audiophile knows a reference
- > sci.skeptic - to keep the audiophiles honest :^)
- > can't decide where to followup-to...]
- >
- >
- >
- >--
- >Ciao-abunga! +-------------------------------------+
- >Michael Park | This space intentionally left blank |
- >mpark@u.washington.edu +-------------------------------------+
-
-
- This is all bullshit. What such people need (among other things) is
- to get an audiogram. First things first: what one can and cannot hear.
- Test self before posting. Or writing in a magazine.
-
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