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dugernaut
Joined: Jul 24, 2009 Posts: 50 Location: New Jersey
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Posted: Fri Nov 13, 2009 11:53 am Post subject:
Interface Yamaha Breath Controller |
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Does anyone have info on interfacing the Yamaha Breath Controller line ? I haven't been able to come up with any tech specs or circuits and wanted to be sure before I bought one. |
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klangumsetzer
Joined: Jan 23, 2006 Posts: 513 Location: Sweden
Audio files: 32
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Posted: Fri Nov 13, 2009 12:11 pm Post subject:
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what exactly do you mean by interfacing?
you can use a yahama bc with all (yamaha) synths/controllers featuring a bc input e.g. cs01, dx -, vl - or ex series (midi synths will transmit cc 02) or you can convert the bc data to midi cc with a converter e.g. from midi solutions.
hope this helps.
best regards
eike
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dugernaut
Joined: Jul 24, 2009 Posts: 50 Location: New Jersey
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Posted: Fri Nov 13, 2009 12:55 pm Post subject:
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Thanks klangumsetzer,
I should have been more clear. I DIY want interface circuitry and breath controller specs. I already know I can buy interfaces, I want to do the electronics myself! |
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adambaby
Joined: Nov 18, 2009 Posts: 10 Location: Queensland, Australia
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Posted: Wed Nov 18, 2009 6:43 pm Post subject:
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Hi dslocum
The BC1 has a stereo miniplug - it expects to see a neg. 9 volts on the tip, and it provides a variable control voltage at the ring between 0 and about neg. 5 volts (response can be trimmed on the unit).
Search online for the service/schematics for the Yamaha CS01 - the BC1 circuit is included in there.
There will be details on my website very soon of my CS01 mods, which include using the BC input for external control from a midi-CV converter. _________________ Adam Inglis
A Disco Ate My BABY!
www.adambaby.com |
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klangumsetzer
Joined: Jan 23, 2006 Posts: 513 Location: Sweden
Audio files: 32
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Dan Lavin
Joined: Nov 09, 2006 Posts: 649 Location: Spring Lake, Mi, USA
Audio files: 21
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Posted: Thu Nov 19, 2009 1:22 pm Post subject:
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dslocum,
I seem to recall that Electronic Musician magazine ran a DIY project back for the Yamaha breath controllers in the mid/late 1980's that outputs a CV to a VCA for audio level control of a static volume source. I hope that made sense. Anyway, the CV could be tapped off to control a VCF which would be more useful IMHO. If I get a chance, I'll dig thru my file cabinet and see if I still have it. I'm not sure if I saved it or not. _________________ Synth DIY since 1977! |
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adambaby
Joined: Nov 18, 2009 Posts: 10 Location: Queensland, Australia
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Posted: Thu Nov 19, 2009 5:42 pm Post subject:
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Cheers!
I've been lurking for a while - it's a great community! _________________ Adam Inglis
A Disco Ate My BABY!
www.adambaby.com |
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dugernaut
Joined: Jul 24, 2009 Posts: 50 Location: New Jersey
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Posted: Fri Nov 20, 2009 5:26 am Post subject:
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Thanks for the info everyone.
I see the controller input on the schematic. Looks pretty easy to interface, but do you know if the newer BC3 model has the same interface? |
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klangumsetzer
Joined: Jan 23, 2006 Posts: 513 Location: Sweden
Audio files: 32
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Posted: Mon Nov 23, 2009 12:59 am Post subject:
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actually there are two knobs on the cs01 to scale the bc signal: one to control the vca amount and on to control the cutoff frequency.
the newer bc3 has two adjustment screws to alter the offset and to scale the breath (velocity/pressure) to midi cc #2 curve.
in principle the bc input could be used for cv control too.
best regards
eike
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adambaby
Joined: Nov 18, 2009 Posts: 10 Location: Queensland, Australia
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paugui
Joined: Jun 28, 2008 Posts: 552 Location: Marinha Grande, Portugal / Oslo, Norway
Audio files: 3
G2 patch files: 37
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Posted: Wed Sep 18, 2013 8:51 am Post subject:
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klangumsetzer wrote: | actually there are two knobs on the cs01 to scale the bc signal: one to control the vca amount and on to control the cutoff frequency.
the newer bc3 has two adjustment screws to alter the offset and to scale the breath (velocity/pressure) to midi cc #2 curve.
in principle the bc input could be used for cv control too.
best regards
eike
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Since it was mentioned here... does the BC3 works without problems with the Yamaha CS01II?
I have one on my way, but am a bit afraid it might not work too good, as I heard there are some differences between it an the BC1... |
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klangumsetzer
Joined: Jan 23, 2006 Posts: 513 Location: Sweden
Audio files: 32
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Posted: Tue Sep 24, 2013 4:28 am Post subject:
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hej paugi,
yes, the bc3 works as well: tested it myself and found no differences except for the extended customization options of the bc3.
however _i_ like the bc(1) better than the bc3 because the srewed on blow pipe of the bc3 has the tendency to fall off and the bc1 feels more comfortable (for an ex wind player) than the headphone-style bc3.
hope this helps
eike
--- _________________ Make a joyful noise!
Eike |
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