[CM] Channel-tuning

Philippe de Rochambeau phiroc at free.fr
Sun Jan 15 05:30:37 PST 2012


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
>> 
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