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PortAudio - an Open-Source Cross-Platform Audio API
PortAudio provides a very simple API for recording and/or playing sound using a simple callback function or a blocking read/write interface. Example programs are included that play sine waves, process audio input (guitar fuzz), record and playback audio, list available audio devices, etc. The Portaudio Wiki is maintained by the community of PortAudio developers. It has the most up-to …
windows - Capture global Audio Output in C++ (Portaudio ...
https://stackoverflow.com/questions/25291097/capture-global-audio-output-in-c-portaudio
Capture global Audio Output in C++ (Portaudio) Ask Question Asked 7 years, 5 months ago. Active 2 years, 4 months ago. Viewed 5k times 2 I have one question: Is there any possibillity to record the global Windows Output using Portaudio? I have read that you can change the input device to the actual output device but that's not working at all.
ATOMS : portaudio - play and record audio from your sound ...
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 …
GitHub - PortAudio/portaudio: PortAudio is a cross ...
https://github.com/PortAudio/portaudio
PortAudio is a portable audio I/O library designed for cross-platform support of audio. It uses either a callback mechanism to request audio processing, or blocking read/write calls to buffer data between the native audio subsystem and the client. Audio can be processed in various formats, including 32 bit floating point, and will be converted to the native format internally.
c - Continuous recording in PortAudio (from mic or output ...
https://stackoverflow.com/questions/15690668/continuous-recording-in-portaudio-from-mic-or-output
To interact with the data stream real-time you'll need a mechanism that either sleeps (busy waits on Windows) for the frame period (sample rate / samples per frame) or uses a thread synchronization primitive to trigger your thread int main that there is audio ready to be processed. This will give you access to each frame of data that PortAudio delivers during its …
PortAudio - an Open-Source Cross-Platform Audio API
http://www.portaudio.com/docs.html
PortAudio is a cross platform, open-source, audio I/O library. It provides a very simple API for recording and/or playing sound using a simple callback function.
PortAudio: Example programs demonstrating PortAudio …
http://portaudio.com/docs/v19-doxydocs/group__examples__src.html
Provides an example of how to post stuff to/from the audio callback using lock-free FIFOs implemented by the PA ringbuffer. Generate Pink Noise using Gardner method. Tests full duplex blocking I/O by passing input straight to output. Record input into an array; Save array to a file; Playback recorded data.
PortAudio - an Open-Source Cross-Platform Audio API
http://www.portaudio.com/faq.html
Create just one PortAudio stream. Then in the audio callback function, simply mix the two tones together by adding their samples. You will need to scale their amplitudes down so that they do not clip. In this example I generate two waveforms then mix them together with different amplitudes. I am using the paFloat32 data format.
How To: Packet Capturing on an AudioCodes Mediant 1000B - PEI
https://www.pei.com/packet-capture-audiocodes/
debug capture voip interface vlan 3 proto all host 65.113.254 I ran a test telnet (port 5060) to the outside of the SBC just to validate that TCP traffic was getting to the SIP port, and it worked. Below is the output from my test.
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