Roland + Yanmaha Ensembles / Chorus

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ChamomileShark
KVRAF
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2402 posts since 12 May, 2004 from Oxford, UK

Post Fri Dec 25, 2015 4:35 am

I've been reading Sean's blog and some other posts by him which is prompting me to ask what is known about the Roland SVC vocoder ensemble, is it the same as the VP 330's? ie sort of Dimension D ish? How about the Boss CE 300 superchorus - I've been told it is the same as the Juno chorus.

In the digital realm, anything known about the Yamaha Rev 7 "symphonic" preset? Apparently that was a go to preset in alot of studios.

I ask not because I want to emulate them but because I happen to have them and so I'm curious about them.

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valhallasound
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3426 posts since 15 Nov, 2006 from Pacific NW

Post Fri Dec 25, 2015 11:16 pm

ChamomileShark wrote:I've been reading Sean's blog and some other posts by him which is prompting me to ask what is known about the Roland SVC vocoder ensemble, is it the same as the VP 330's? ie sort of Dimension D ish? How about the Boss CE 300 superchorus - I've been told it is the same as the Juno chorus.

In the digital realm, anything known about the Yamaha Rev 7 "symphonic" preset? Apparently that was a go to preset in alot of studios.

I ask not because I want to emulate them but because I happen to have them and so I'm curious about them.
The CE 300 manual has a signal flow chart of the chorus:

- antiphase modulation for left and right delay lines (i.e. triangle LFO mod in one channel, the same triangle LFO inverted for the other channel)
- Left output is leftDelayOut-rightDelayOut
- Right output is rightDelayOut-leftDelayOut

This is sorta similar to the Dimension D, but the Dimension D has some equalization tricks going on, so it would be something closer to this:

- LeftOutput = bassBoostedDry + leftDelayOut - bassCutRightDelayOut
- RightOutput = bassBoostedDry + rightDelayOut - bassCutLeftDelayOut

The bass boost and bass cut are used to keep the bass content in the signal, while avoiding the cancellation of bass frequencies caused by subtracting the left and right delays. The CE 300 might be doing something similar, that isn't shown in the flow chart (in order to simplify the concepts for the user manual).

Anyway, the 2Tap Chorus mode in UberMod covers these sorts of sounds nicely.

Sean Costello

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ChamomileShark
KVRAF
Topic Starter
2402 posts since 12 May, 2004 from Oxford, UK

Post Sat Dec 26, 2015 10:59 am

thanks Sean.

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Hermetech Mastering
KVRAF
1619 posts since 30 May, 2003 from Milan, Italy

Post Thu Jan 07, 2016 8:47 am

At one time I had a Dimension D, DC-2, DC-3, CE-300, and a custom Fromel Seraph Deluxe. The CE-300 sounded very different from all the Dimension strle choruses, it was far more like a "regular" chorus.

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