[Sugar-devel] GSoC 2015 : Music Blocks

Yash Khandelwal yk51294 at yahoo.in
Thu Mar 12 08:43:30 EDT 2015

Thanks James for liking it. In my previous mockup, for the same melody, the pitch and time signature blocks can be placed in play block itself. Also, 'Re' inside the loop strike the note for four times ( in Hot Cross Buns Melody example). The idea was very primitive, to improve upon it I came up with how user will define notes shorter than the unit time. This is how it goes, there can be a block for each standard bar, and inside that block we can put the notes(as action blocks). This can meet up our requirement, shown in the mockup 2 link.  So, the number of notes inside a bar block, can be automatically played according to their note value (For example: If time signature is two four time then the Mi and Re present in a bar block inside the chunk will be both quarter notes). Also, in regard of moving from monophony to polyphony, I think it can be done using web audio API, by creating multiple oscillators and amplifiers. I found the following links useful :
Playing notes with the Web Audio API Part 2 - Polyphonic Synthesis – Chris Lowishttp://www.schools.utah.gov/CURR/fineart/Elementary/Songbook/Music/HotCrossBuns.aspxMockup 2 link : Imgur
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Thank YouYash Khandelwal

     On Thursday, 12 March 2015 3:59 AM, James Cameron <quozl at laptop.org> wrote:

 I like it.

Your mockup shows a musical form of composition, e.g. ABA.

In your mockup, Pitch and Time Signature blocks could be removed from
Chunk A and Chunk B and placed in Play, is that right?

Does the Re inside loop strike the note four times, or hold it it for
four unit times?

How would the user define notes shorter than the unit time?

Can you move from monophony to polyphony by calling two chunks at the
same time?

James Cameron
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