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c++ - PortAudio: how to generate multiple sounds - Signal ...
https://dsp.stackexchange.com/questions/45778/portaudio-how-to-generate-multiple-sounds
1 Answer Active Oldest Votes 1 The beauty of PCM (pulse-coded modulation, i.e. time samples of audio) is that the mathematical sum of two signals sounds like the acoustical superposition. So, just add your two sines sample-wise. Share Improve this answer answered Dec 13 '17 at 12:52 Marcus Müller 24k 4 29 49 Add a comment Your Answer
PortAudio - an Open-Source Cross-Platform Audio API
PortAudio - an Open-Source Cross-Platform Audio API. PortAudio is a free, cross-platform, open-source , audio I/O library. It lets you write simple audio programs in 'C' or C++ that will compile and run on many platforms including Windows, Macintosh OS X, and Unix (OSS/ALSA). It is intended to promote the exchange of audio software between developers on different platforms.
c++ - PortAudio: Play multiple generated sounds by …
https://stackoverflow.com/questions/47740219/portaudio-play-multiple-generated-sounds-by-calling-function
I've started to play with PortAudio library about week ago. I've checked most of tutorial/test examples but haven't seen solution for what I need. I'm making simple sequencer - I've already done drawing sounds as blocks on the piano roll, but now I need make it sound somehow. I wonder if there is possibility to get it working like this:
Portaudio: Bindings for the Portaudio portable sound library
https://docs.racket-lang.org/portaudio/index.html
Rather than providing sound data, the user provides a racket callback that can generate sound data on demand. If the given callback can’t keep up with the demand, the stream starts to hiccough. More specifically, this package uses a ring buffer, whose length can be specified independently of the underlying machine latency.
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