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Minimizing Audio Latency on Windows 10 with WASAPI – …
https://www.donyaquick.com/minimizing-audio-latency-on-windows-10-with-wasapi/
I get excellent low latency performance with WASAPI that allows me to perform without a physical interface, even on the little Go 2. Anyway, thanks again. I was glad to see such a well-informed and helpful article about Windows sound! I looked at your “about me” page and will check out some of your projects which look really fascinating.
Improve WASAPI Shared latency · Issue #55 · dechamps ...
https://github.com/dechamps/FlexASIO/issues/55
FlexASIO 1.7 comes with various improvements to the PortAudio WASAPI code that might make it possible to use smaller buffer sizes and achieve lower latencies, especially in Shared mode. See PortAudio/portaudio#303 for details. I would recommend experimenting with the new version.
PortAudio: pa_win_wasapi.h Source File
http://files.portaudio.com/docs/v19-doxydocs/pa__win__wasapi_8h_source.html
70 Note: WASAPI Event driven core is capable of 2ms latency!!!, but Polling 71 method can only provide 15-20ms latency. 72 paWinWasapiPolling = (1 << 3),
Instructions on using the PortAudio driver in the ...
https://jorgan.info/base/i/Instructions_on_using_the_PortAudio_driver_in_the_Fluidsynth_Extension.html
Fluidsynth with PortAudio WASAPI. WASAPI (Windows Audio Session API) is an updated Microsoft Windows low latency audio layer available in Windows Vista and Windows 7. Download: [fluidsynth-1.1.4-wasapi.zip]
PortAudio: File List
http://portaudio.com/docs/v19-doxydocs-dev/files.html
patest_jack_wasapi.c: patest_latency.c: Hear the latency caused by big buffers. Play a sine wave and change frequency based on letter input : patest_leftright.c: Play different tone sine waves that alternate between left and right channel : patest_longsine.c: Play a sine wave until ENTER hit : patest_many.c: Start and stop the PortAudio Driver ...
Glitching in WASAPI in shared mode · Issue #303 ...
https://github.com/PortAudio/portaudio/issues/303
da34f2e. sveinse added a commit to sveinse/portaudio that referenced this issue on Sep 27, 2020. Implement fix for glitching WASAPI playback PortAudio#303. 9ebe293. sveinse mentioned this issue on Sep 27, 2020. Implement fix for glitching WASAPI playback #305. Merged.
Use new IAudioClient3 interface for low-latency audio in ...
https://github.com/PortAudio/portaudio/issues/385
To my understanding the additional API of IAudioClient3 is just a helper functions (facade) to make it easier to create shared stream with a desired latency. PA WASAPI implementation does its best to provide the lowest supported latency in the Shared mode and the usage of the IAudioClient3::InitializeSharedAudioStream is not required to achieve it.. If you …
temporal compression of auditory stimuli on Windows Wasapi ...
https://psychtoolbox.discourse.group/t/temporal-compression-of-auditory-stimuli-on-windows-wasapi/3114
temporal compression of auditory stimuli on Windows Wasapi. sherbst March 14, 2020, 7:19am #1. Dear PTB community, we have realized a strange behavior when trying to play auditory stimuli using PsychPortAudio, namely that when recording the output with an oscilloscope, the sound is compressed in time, by about 2.5% (50ms for a 2s stimulus), as ...
Portaudio settings - Arcade Controls
http://forum.arcadecontrols.com/index.php?topic=159183.0
PortAudio: Windows WDM-KS: "Mixage stéréo (Realtek HD Audio Stereo input)" PortAudio: Using device "Speakers (Realtek HD Audio output)" on API "Windows WDM-KS". PortAudio: Sample rate is 48000 Hz, device output latency is 4.33 ms. PortAudio: Allowed additional buffering latency is 10.00 ms/480 frames.
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