Subject: [linux-audio-user] Sample Rates / Sample Sizes
From: davidrclark_AT_earthlink.net
Date: Sat Jun 19 2004 - 18:03:56 EEST
Starting a new thread originating as:
Re: producing a drum sample library for hydrogen
I can easily tell the difference, as can many, between 16- and 24-bit
samples, but not equally for all instruments, of course. I highly, highly
recommend using 24-bit samples for any widely used library, especially
given the amount of processing that most of us do. I myself also use
96,000 samples/second because I always do quite a bit of processing, but
that's a lot tougher sell for a library.
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Someone said that 44,100 samples/second is a quirk. It's not merely a
quirk. 44,100 = 2^2 * 3^2 * 5^2 * 7^2 which has some useful properties
compared to 48,000 = 2^7 * 3 * 5^3. Lots of small primes that differ is
sometimes better than a bunch of powers of two, despite the advantage
primarily associated with FFT's that some focus on. Looked at from a
prime number standpoint (therefore certain types of algorithms),
48,000 is truly bizarre compared to 44,100. 96,000 is yet ANOTHER power
of two on top of 48,000! Whether a particular sample rate is a good one
or not is dependent upon more than just what is customary and standard.
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