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How to use portAudio to read audio data output from …
https://stackoverflow.com/questions/14333752/how-to-use-portaudio-to-read-audio-data-output-from-sound-card
However, I would like to be able to capture the audio that is coming from the sound card. Is there a way to do this in PortAudio and if not please point me in the right direction. Also, it is important that this works on Windows, Mac, and …
portaudio - play and record audio from your sound card - ATOMS
https://atoms.scilab.org/toolboxes/portaudio/0.2
portaudio - play and record audio from your sound card pa_defaultinputdeviceid — Get current default input device ID pa_defaultoutputdeviceid — Get current default output device ID pa_deviceinfo — Information about audio device pa_getdevicecount — pa_gettlbxpath — pa_getversion — get version of used Portaudio library pa_getversiontext — get version of used …
1879296 – portaudio not detecting USB sound card
https://bugzilla.redhat.com/show_bug.cgi?id=1879296
The PulseAudio command which enables detection of the card: $ pactl set-card-profile alsa_card.usb-BurrBrown_from_Texas_Instruments_USB_AUDIO_CODEC-00 off To return it back to the default settings (i.e. to non-detectable state by portaudio): $ pactl set-card-profile alsa_card.usb-BurrBrown_from_Texas_Instruments_USB_AUDIO_CODEC-00 output:analog …
[Portaudio] Sound Card 24 Bit Depth?
https://portaudio.music.columbia.narkive.com/BmmbB1nY/sound-card-24-bit-depth
To: portaudio at music.columbia.edu Sent: Tuesday, December 01, 2009 10:27 AM Subject: [Portaudio] Sound Card 24 Bit Depth? Hello, I am trying to obtain the full 24 bit sound samples an RME Hammerfall Multiface is capable of delivering. Attempts using Port Audio and the MME interface only result in 16 bit data, no matter what format I request the
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.
[Portaudio] Enumerating audio devices (cards and chipsets)
https://portaudio.music.columbia.narkive.com/Tk7DUce7/enumerating-audio-devices-cards-and-chipsets
With Jack/ALSA, a user is able to select the specific sound card he wants his app to use (and let's face it, that's what any power user would want to do). Whilst this is (at least conceivably) possible with Jack and Portaudio, it looks as if it isn't really the way that Portaudio is intended to work.
portaudio / pyaudio and cheap usb sound card fail ...
https://forums.raspberrypi.com/viewtopic.php?t=16525
Re: portaudio / pyaudio and cheap usb sound card fail. Thu Sep 06, 2012 3:31 pm. Well, no luck. I've been exploring portaudio itself and built it in debug mode and tried running a couple of examples. The first output is the device info. the second is an example to record a file. Code: Select all.
Loads OK, But will not "START" using Flex 3000 …
https://community.flexradio.com/discussion/7709823/loads-ok-but-will-not-start-using-flex-3000-powersdr
Loads OK, But will not "START" using Flex 3000 PowerSDR. PowerSDR v2.7.2 boots and runs as long as it's in STOP. But Hitting the START button produces a pop-up window "PortAudio Error: -9998 Invalid number of channels." Then clicking OK in the box, a new box pops up saying "Invalid stream pointer".
The PC Sound Card as a Voltage Measurement Platform in ...
https://etd.auburn.edu/bitstream/handle/10415/4381/The%20PC%20Sound%20Card%20as%20a%20Voltage%20Measurement%20Platform%20in%20Power%20System%20Applications.pdf?sequence=2
and sound card hardware is established through the use of the PortAudio software library for audio applications. A PC sound card is tested using the example application of voltage harmonic measurement structured to be consistent with the requirements found in IEC standard 61000-4-7.
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