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objective c - Creating simple waveforms with CoreAudio ...
https://stackoverflow.com/questions/3018493/creating-simple-waveforms-with-coreaudio
The best and easiest way to do that without files is to prepare a single cycle buffer, containing one cycle of the wave (this is called technically a wavetable) In the playback function called by CoreAudio thread, fill the output buffer with samples read from the wave buffer. Note however that you will face two problems very quickly :
GitHub - Pikaurd/RealtimeWaveform_CoreAudio: Draw …
https://github.com/Pikaurd/RealtimeWaveform_CoreAudio
Draw waveform from CMSampleBuffer. Contribute to Pikaurd/RealtimeWaveform_CoreAudio development by creating an account on GitHub.
opengl es - iOS record audio and draw waveform like …
https://stackoverflow.com/questions/30172366/ios-record-audio-and-draw-waveform-like-voice-memos
The waveform rendering code during and after recording don't have to be the same. The recording API and the drawing API you use can be completely independent, and can be almost anything, from OpenGL to Metal to Core Graphics (on newer faster devices).
How to draw a waveform graph from mp3 or wav? …
https://www.vbforums.com/showthread.php?855881-How-to-draw-a-waveform-graph-from-mp3-or-wav
VB6 how to capture Sound, using CoreAudio (Vista and onwards), and found that they just captured sound from the microphone, not from mp3 or wav files So I went back to study VB6 RC5-CoreAudio-Demo, it seems that only the combination of these three examples can get the answers I need.
1.2 Drawing Waveforms
https://www.syncad.com/web_manual_timing_diagram_editors/drawwaveform.htm
To draw the waveform of a signal: •Place the mouse cursor inside the Diagramwindow at the same vertical row as the signal name.The red state button on the button bar determines the type of waveform drawn. The cursor shape also mirrors the …
CoreAudio error: 21646576 · Issue #179 · …
https://github.com/ExistentialAudio/BlackHole/issues/179
This causes Jamulus to lock up and Waveform to forget its input and output devices (set up as aggregate devices via BlackHole). To remedy, I must restart Jamulus completely, reselect aggregate devices in Waveform, then re-input the sources in my Waveform edit file. There are no errors generated (that I can see). No pop-up messages.
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