Table morph beating
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erik.a....@gmail.com
Apr 29, 2024, 8:44:38 AM4/29/24
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Hi.
I'm working with an engine sound wavetable synthesizer. I have sound samples of an engine sampled in angle domain. Every table starts at the same angle (phase) position and is 70 engine cycles long. I ve samples in steps of 50 rpm . (1000, 1050, 1100, ... , 6000 rpm) But when I morph the sound tables in a rpm engine sweep i get amplitude modulation that fits the shifting between the different tables. (2 Hz for a 50 s long sweep).
I play the morphed output table in a looper.
What could be the cause of this?
I'm working with an engine sound wavetable synthesizer. I have sound samples of an engine sampled in angle domain. Every table starts at the same angle (phase) position and is 70 engine cycles long. I ve samples in steps of 50 rpm . (1000, 1050, 1100, ... , 6000 rpm) But when I morph the sound tables in a rpm engine sweep i get amplitude modulation that fits the shifting between the different tables. (2 Hz for a 50 s long sweep).
I play the morphed output table in a looper.
What could be the cause of this?
Br Erik
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