Very cool, I look forward to checking it out!
September 4, 2022 12:16 PM, "Zelphir Kaltstahl" <zelphirkaltst...@posteo.de> wrote: > Hello Guile users! > > Recently I've looked at "how to write a wav file?" and wrote some code to > output in RIFF-WAVE fie > format: > https://notabug.org/ZelphirKaltstahl/guile-examples/src/master/sound/riff-wave. > It only > writes a file currently, and does not read in any files yet. Hopefully I will > work on it more soon. > > My idea is, that Guile should be kind of perfect for making functions, which > output sample values. > Just combining functions. I want to make more effects like fade-in and fade > out, amplify, change of > sample rate or whatever else is simple to do. Already implemented things like > a function to make > another function "stepped" (is what I call it), so that one only gives an > integer and it will give > the sample of the index that is that integer, considering a previously given > step size. > > I imagine, that it should be possible, to build good abstractions over sample > values and then give > helper functions allowing anyone to make their own effects and so on. When > reading in files is > implemented, one could easily write a little Guile code and apply effects to > any wav file. > > I know libsndfile exists and perhaps I should be using FFI to interface with > it, but I still have > not gotten around to learning more about how to use FFI and also I made the > mistake of looking at > the implementation of wav file format in the libsndfile library … biiig > mistake :D Well, I also > would probably not have learned as much about wav files and some bytevector > and vector stuff, if I > had used libsndfile. Though more about FFI … > > Will see how far I take it : ) > > Best regards, > Zelphir > > -- repositories: https://notabug.org/ZelphirKaltstahl
