Channel-tuning
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Channel-tuning
by phiroc
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Hello,
on page 140 of Notes from the Metalevel, the author set the :channel-tuning parameter to 108 in Interaction 2.
According to the CM2 documentation which is available on the Web, :channel-tuning should not exceed 16. Why is it equal to 108 here and what does that value mean?
Furthermore, what is the equivalent on :channel-tuning 108 in CM3? send("midi:tuning", <value>) ?
Many thanks.
Philippe_______________________________________________ Cmdist mailing list Cmdist@... http://ccrma-mail.stanford.edu/mailman/listinfo/cmdist |
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Re: Channel-tuning
by Heinrich Taube-2
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ill have to look at the book when i get to the office later, but
offhand a value 108 looks to be a typo channel tuning in cm3 its divisions-per-semitone 1 to 16 so 1 is standard semitone tuning, 2 is quarter tone, and 16 is a quantization of 6.25 cents you can get a good idea of whats going on if you use the Midi Out>Tuning> menu or read the doc on mp:tuning -- in the editor click on the word mp:tuning and hit Command-D send("mp:tuning", 1) remeber you will only actually hear microtuning if you actually generate floating point keynums, eg 60.1 where .1 means 10 cents above key 60 On Jan 14, 2012, at 11:46 AM, Philippe de Rochambeau wrote: > > > > Hello, > > on page 140 of Notes from the Metalevel, the author set the :channel- > tuning parameter to 108 in Interaction 2. > > According to the CM2 documentation which is available on the > Web, :channel-tuning should not exceed 16. Why is it equal to 108 > here and what does that value mean? > > Furthermore, what is the equivalent on :channel-tuning 108 in CM3? > send("midi:tuning", <value>) ? > > Many thanks. > > Philippe > > _______________________________________________ > Cmdist mailing list > Cmdist@... > http://ccrma-mail.stanford.edu/mailman/listinfo/cmdist _______________________________________________ Cmdist mailing list Cmdist@... http://ccrma-mail.stanford.edu/mailman/listinfo/cmdist |
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Re: Channel-tuning
by phiroc
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Many thanks.
I did look at the CM3 documentation on mp:tuning and noticed that the values should be between 1 and 16. But, unfortunately, the examples in your book are written in CM2 (?) and I could not find an equivalent command in the CM3 documentation to :channel-tuning 108 (used on pp 140, 142, 15 -- ct8 ? --, and 149). Philippe Le 15 janv. 2012 à 14:15, Heinrich Taube a écrit : > ill have to look at the book when i get to the office later, but offhand a value 108 looks to be a typo > channel tuning in cm3 its divisions-per-semitone 1 to 16 so 1 is standard semitone tuning, 2 is quarter tone, and 16 is a quantization of 6.25 cents > > you can get a good idea of whats going on if you use the Midi Out>Tuning> menu > > or read the doc on mp:tuning -- in the editor click on the word mp:tuning and hit Command-D > > send("mp:tuning", 1) > > remeber you will only actually hear microtuning if you actually generate floating point keynums, eg 60.1 where .1 means 10 cents above key 60 > > > On Jan 14, 2012, at 11:46 AM, Philippe de Rochambeau wrote: > >> >> >> >> Hello, >> >> on page 140 of Notes from the Metalevel, the author set the :channel-tuning parameter to 108 in Interaction 2. >> >> According to the CM2 documentation which is available on the Web, :channel-tuning should not exceed 16. Why is it equal to 108 here and what does that value mean? >> >> Furthermore, what is the equivalent on :channel-tuning 108 in CM3? send("midi:tuning", <value>) ? >> >> Many thanks. >> >> Philippe >> >> _______________________________________________ >> Cmdist mailing list >> Cmdist@... >> http://ccrma-mail.stanford.edu/mailman/listinfo/cmdist > _______________________________________________ Cmdist mailing list Cmdist@... http://ccrma-mail.stanford.edu/mailman/listinfo/cmdist |
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Re: Channel-tuning
by Heinrich Taube-2
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On Jan 15, 2012, at 7:30 AM, Philippe de Rochambeau wrote: > But, unfortunately, the examples in your book are written in CM2 (?) > and I could not find an equivalent command in the CM3 documentation > to :channel-tuning 108 (used on pp 140, 142, 15 -- ct8 ? --, and 149). thats because of this comment in my CM2 code: ;; WHAT A FREAKING MESS! I should never have added done the ;; "divisions-per-octave" so 180 is divisions-per-octave in CM2 is exactly the same as 15 divisions per semitone in both CM2 and CM3 cm> (/ 1200 180.0) 6.6666666666667 cm> (/ 100 15.0) 6.6666666666667 _______________________________________________ Cmdist mailing list Cmdist@... http://ccrma-mail.stanford.edu/mailman/listinfo/cmdist |
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