Hi Forrest. Yes, it's quite possible in ChucK. The FileIO method has several examples in the io/ folder. It's quite straightforward to use. You may have to hack a tokenizer for csv. Have a look at strops.ck and strops2.ck in the string/ examples folder to see what's possible. Joel
Sent from Mailspring (https://link.getmailspring.com/link/1528668398.local-ad033a99-df77-v1.2.2-96fb3...@getmailspring.com/0?redirect=https%3A%2F%2Fgetmailspring.com%2F&recipient=Y2h1Y2stdXNlcnNAbGlzdHMuY3MucHJpbmNldG9uLmVkdQ%3D%3D), the best free email app for work On Jun 10 2018, at 4:35 pm, Forrest Cahoon <forrest.cah...@gmail.com> wrote: > > Hi ChucKers! > > I have a sonification project that I'm wondering if it makes sense to do in > ChucK. > > I have a csv file with frequencies and amplitudes for 4 different sine waves, > representing values at (say) half-second intervals. I want to read in a line, > and then smoothly change the frequency and amplitude values using linear > interpolation over the course of 24000 samples (a half second at 48k samples > per second), then read in the next line, and smoothly change to those values > over the next half-second, etc. until the data runs out. > > I could code this in C using libsndfile, but if I didn't have to worry about > converting frequencies into phase distances between samples I'd consider that > a win. > > I noticed Chuck has FileIO methods to read input files (although these are > very poorly documented) so thought it should be possible to read in a csv > file. > > I could calculate the amount of frequency and amplitude change per sample and > adjust these in a 1-sample loop, and that's already simpler than coding in C. > But I'm hoping there's some way to tell ChucK "I want this (e.g. frequency) > value to change smoothly from its current value to f1 over the course of a > half-second". If that were possible, ChucK would be a clear choice for my > project. > > Thanks for any response! > > Forrest Cahoon > > _______________________________________________ > chuck-users mailing list > chuck-users@lists.cs.princeton.edu > https://lists.cs.princeton.edu/mailman/listinfo/chuck-users >
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