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Is this sound a modulated sine wave ?

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Is this sound a modulated sine wave ?

Postby Anonymous » Thu May 09, 2013 11:40 pm


The sound appears at about 14 secs into the track but it sounds very smooth and lush compared to some of the sine wave syndrum emulations I've heard. The pitch modulation sounds portamento.

This one is the same pitch and begins from the start of the track:

Ring My Bell


Re: Is this sound a modulated sine wave ?

Postby hollowsun » Fri May 10, 2013 2:08 am

It's pitch modulation of a sine or triangle wave by a simple envelope generator (instant attack, a decay to no sustain). The first track is played from a keyboard, the second is some old Syndrum thing and a little known fact that it was played by none other than überdrummist, Chester Thompson, he of live Genesis fame but back in his early session days as an up and coming drummist - well ... a chap has to go where the work is!

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Re: Is this sound a modulated sine wave ?

Postby Guest » Fri May 10, 2013 3:53 am

Thanks Hollowsun,

Why aren't you writing a small book on methods and the history of how things were done on certain tracks. Didn't you recently talk about the 10cc choir effect? I'd be happy to buy a book on those methods.


Re: Is this sound a modulated sine wave ?

Postby The Elf » Fri May 10, 2013 6:01 am

Ah, the Syndrum...

We hid the one our drummer bought and told him it must have been nicked. About 25 years later I found it in the bottom of a flight case.

I thought they were still illegal? :D
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