Why cant i get a nice square wave (soundcard)

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#21
Just from curiosity:
Why do some of you consider pre and post ringing as something bad? Actually ideal SINC interpolation creates ringing (both pre and post). Since ideal interpolation does not (by definition) exist, than one should use windowed (hamming or keiser or so..) sinc interpolation.
Nobody listens to a square, do they? I guess some confuse 'bad' ringing in analog domain, which often means band-boost, with interpolation's natural ringing.
Am I right?
regards
 
#22
darkfenriz said:
Just from curiosity:
Why do some of you consider pre and post ringing as something bad? Actually ideal SINC interpolation creates ringing (both pre and post). Since ideal interpolation does not (by definition) exist, than one should use windowed (hamming or keiser or so..) sinc interpolation.
Nobody listens to a square, do they? I guess some confuse 'bad' ringing in analog domain, which often means band-boost, with interpolation's natural ringing.
Am I right?
regards
Click to expand...

From my point of view, yes, you are right. Overall digital audio have pre- and post- ringing when we look at square wave...

Best regards,

Boggy
 
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