circuitmusiclabs / petra Goto Github PK

Zero-crossing detection must be corrected according to the following sources:
http://en.cppreference.com/w/c/numeric/math/signbit
http://stackoverflow.com/questions/34442710/options-for-detecting-zero-cross-of-audio

The size of the allocated memory must be adjusted analog to the new-instance routine.

cm.livecloud~ is very buggy and still in development. Do not use until this issue is closed.

Posting this for a general FYI in case you're wondering about weird behaviour on Windows:

The m4l device extras/petra for live.amxd uses the wrong versions of the Windows compatible external objects. A simple re-freeze of the device will fix this issue.

Write a buffer info method which is called when:

• buffer is modified
• a new buffer is set

The method then updates channelcount and framecount.

hey, it would be cool if it were possible to send a list of different pitch and have the granulation transposition process randomly choose between those pitches, rather than find any pitch in a given range, this way you could have a sort of granular chord. Wouldn't it ? :)

Using the Max Package Manager version, cm.indexcloud~ plays with a lot of gaps if the buffer~ is being written into at the same time, as though it can only play one grain at a time, or as though the buffer is mostly empty. Tried with karma~ and record~. It goes back to normal once recording is turned off. I haven't tried the other buffer~ based objects in the package.

The helpfile windows are too large on smaller screens. Make helpfile patchers smaller.

Hello,

I usually teach granular synthesis with both MuBu and Petra to my students.

Some students recently purchased M1 Mac computers and cannot use Petra. Do you plan to release some version compiled for M1?

MAXGRAINS as condition in playback for loop must be replaced with limit.

When changing the buffer reference with the set method and the new sample is shorter than the old sample, the object inlet values can cause a buffer overflow.
Must find a way to reset object inlets when changing the buffer reference.

Current method:
if ((x->tr_prev - tr_curr) > 0.9)

Change to:
if (x->tr_prev > tr_curr)
--> If the previous sample is greater than the current sample, the phasor~ signal has wrapped.