scott wrote:
>> Or rather, the problem is that if the chunk bounderiess don't line up 
>> nicely with wave cycles, you get spurious high-frequency components 
>> being reported that don't actually exist in the original signal.
> 
> Use a non-rectangular window function?

Mmm, that's equivilent to a convolution in the frequency domain. ;-)

>>> What wavelets do is allow you to use a different chunk size for 
>>> different frequencies.  In a song you probably want a small chunk 
>>> size for high frequencies (the absolute frequency is not so 
>>> important, just the timing), and a large chunk size for low frequencies.
>>
>> Yeah. I get all that. I just don't understand how the maths works.
> 
> Maybe you should get a real book?

Possibly, yes...

Post a reply to this message