https://www.youtube.com/watch?v=s7Gv7SR0Nrk
It's very easy to get started, and extremely powerful. Not sure how well it covers your use case, but it's fun.
There's a great introduction to PureData called Designing Sound by Andy Farnell.
SuperCollider is another alternative, but that's a whole other discussion, really.
https://www.youtube.com/watch?v=s7Gv7SR0Nrk
It's very easy to get started, and extremely powerful. Not sure how well it covers your use case, but it's fun.
There's a great introduction to PureData called Designing Sound by Andy Farnell.