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Re: A/B listening tests

Stefan Tiedje wrote:
> Bill Fox schrieb:
>> Speaking of A/B testing, according to what I've read, the difference
>>  between 16 and 24 bit digital can be heard much more easily than the
>>  difference between 44.1kHz and 192kHz.
> That means you read it and believe it?
Actually, in this particular case, I do and here's why.  Recording at 
the higher sampling frequencies eat up far more more memory than 
increased bit depth and increases system costs.  Then you have to down 
sample to 44.1 in order to release product which requires expensive 
software to do right.  (Why not record at 176.4kHz and avoid the high 
end software?)  It behooves the hardware and software industry to 
convince us that 16bit/192kHz is superior to 24bit/44.1kHz.  (Of course 
24bit/192kHz is even better!)  Since the 24bit/44.1kHz supposedly sounds 
better and costs me less, I'll go that way.  I have also spoken to 
industry people who confirm the increased bit depth is a far more 
audible improvement than increased sample frequency.  I have not heard 
the other system nor do I have a room where I could hear the difference 
so I can't speak from personal experience.  However, the golden ears in 
the industry who say that you need 192kHz all seem to have a stake in 
its success.  There is just as much physics at work when increasing and 
linearizing dynamic range.  As an engineer who believes in the Nyquist 
theorem and as an over 50 year old male who (as I've read) can't hear 
much above 12kHz, I see no reason to go to 192kHz, especially when most 
listening environments are far less than ideal and most people are only 
going to be listening to a crappy MP3 file anyway.

A higher sampling frequency gives you a wider frequency response that I 
supposedly can't hear.  Increased bit depth reduces the noise floor and 
decreases distortion due to LSB errors.  In any digital system, 
distortion goes up as you approach the lowest volumes.  These are things 
that I *can* hear.