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From: jtkung@mit-caf.MIT.EDU (Joseph Kung)
Newsgroups: rec.music.synth,comp.music,comp.dsp
Subject: Re: Ariel Digital Microphone
Keywords: Digital Microphone
Message-ID: <3708@mit-caf.MIT.EDU>
Date: 11 Jan 90 01:43:51 GMT
References: <2782@radio.oakhill.UUCP> <7471@pt.cs.cmu.edu> <4390@rayssdb.ray.com>
Reply-To: jtkung@mit-caf.UUCP (Joseph Kung)
Organization: MIT Microsystems Technology Laboratories
Lines: 21

In article <4390@rayssdb.ray.com> iws@rayssdb.ray.com (Ihor W. Slabicky) writes:
>
>When asked to compare the sound of the Ariel Digital Microphone to the
>top-of-the-line precision studio mics from Neumann and Schoeps, Ariel
>begged off, saying no head-to-head comparisons have been made.
>

I was wondering how Ariel implements the anti-aliasing filters needed
BEFORE A/D conversion. If it doesn't, then I don't see the point of
sampling at 44.1 kHz. I thought that all high-end digital recorders
utilize steep anti-aliasing filters before conversion, and this is one
of the reasons why digitally recorded stuff can suffer from phase
distortion, etc. Oversampling would be nice, but they don't make 16
bit, 176.4 kHz (4X) A/D converters unless you want to pay an arm and a leg.


- Joe
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