[sdiy] Harmonic bandwidth

Scott Gravenhorst music.maker at gte.net
Tue Jan 8 03:01:03 CET 2008


I hear no difference between the three samples on Tom's site...

Ben Lincoln <blincoln at eventualdecline.com> wrote:
>Wow, thanks Tom.
>
>The weird thing is, I can definitely hear a difference between those 
>three. If I play them sequentially, it sounds similar to playing F-C-F 
>(with the second F being an octave lower than the first, and the C being 
>in-between them). It's not quite the same, but that's the closest I can 
>get to explaining it.
>
>Do they really sound exactly the same to the two of you if you play them 
>like that? I'll try it out on my computer at work tomorrow to verify 
>that it's not an artifact of my sound card, but I tried them in both 
>Audacity and Cool Edit to make sure it wasn't something to do with one 
>or the other of those.
>
>- Ben
>
>Tom Wiltshire wrote:
>> Hi both,
>>
>> I had a PHP script that spits out AIFF audio (yeah, reallly...), so I 
>> put together some demos of in-phase, out of phase, and random harmonic 
>> phase ramp waves;
>>
>> http://www.electricdruid.com/Phase.html
>>
>> It doesn't seem to work on Mac - for some reason Quicktime player 
>> doesn't like my AIFF files -download them and listen to them in 
>> something else. Windows is Ok.
>>
>> The experiment confirms the theory - three vastly different looking 
>> waves all sound exactly the same.
>>
>> T.
>

-- ScottG

-------------------------------------------------------------

-- Scott Gravenhorst
-- GateMan-III - FPGA Based Monophonic MIDI Synthesizer with SVF
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