[racket] music mini-language

From: Sean McBeth (sean.mcbeth at gmail.com)
Date: Sat Aug 10 09:32:26 EDT 2013

There are Arduino shields that can do the basic voltage summing to do
multiple voices, but on it's own, lacking a true DAC, it can't. The RPi
just has standard audio output available, so it's pretty simple to do
whatever you want in software.
On Aug 9, 2013 9:29 PM, "Hugh S. Myers" <hsmyers at gmail.com> wrote:

> Probably easiest. For a real challenge, implement an appropriate subset of
> lily (Google it: lily music language)
> --hsm
> p.s. seems to me there are arduino/pi addons with more than single voicing
> no?
> On Fri, Aug 9, 2013 at 5:25 PM, Neil Van Dyke <neil at neilvandyke.org>wrote:
>> Anyone currently working with music mini-languages in Racket?
>> Reason I ask... In my iRobot Roomba Racket interface, I currently have a
>> simple music mini-language that lets you specify a sequence of pairs of
>> note/frequency and duration.  (Roombas have a simple single-voice
>> note-playing capability.)  To make encoding of, say, piano sheet music
>> easier in the mini-language, I'd like to adopt more of the conventional
>> music notation conveniences, such as time signatures.  I've found "
>> https://ccrma.stanford.edu/**software/cmn/<https://ccrma.stanford.edu/software/cmn/>'
>> for Common Lisp, so I'm wondering whether I should implement a subset of
>> that, or something else that Racket people are already using.
>> Neil V.
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