[sdiy] Experiment with bandlimited ramps

[JH.]

>For my ears, I think the improvement between 100 and 150 harmonics for the 
>bass sound is neglible. The extra >harmonics add little or nothing.

On bass sound,
I hear a dramatic difference between 100 and 150.
And still a slight difference between 150 and 200.

Strange enough, on +1 Oct sound, 200 sounds slightly darker than 150 to my 
ears.

JH.


----- Original Message ----- 
From: "Tom Wiltshire" <tom at electricdruid.net>
To: "synthdiy DIY" <synth-diy at dropmix.xs4all.nl>
Sent: Tuesday, January 06, 2009 12:39 PM
Subject: [sdiy] Experiment with bandlimited ramps


Hi All,

I've done some experiments generating bandlimited ramp waves at
various frequencies and with various numbers of harmonics. The
results (lots of sound files - page loads fairly slowly) are at:

http://www.electricdruid.com/index.php?page=thoughts.bandlimited

The idea was to find out practically how many harmonics are required
for an accurate additive synthesis. Since by the time you're at a
5KHz fundamental, you'd be lucky to hear the 5th harmonic, I started
at about 85Hz. These low notes need the most harmonics to sound good.

Have a listen and see what you think.

T.


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