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Full-Duplex audio recording on Linux, for Skype and other VoiP
http://www.visionfactory.com.au/blog/full-duplex-recording-on-linux
Full-Duplex audio recording on Linux, for Skype and other VoiP. Filed under: TechNotes, Linux — lars @ 12:31:00 pm I've recently had the need to record a phone-call made via Skype. This need can come up for lots of reasons, for example to keep a record of information you provide over the phone when taking out an insurance policy. ...
linux - ALSA: Full duplex C example? - Stack Overflow
https://stackoverflow.com/questions/5174304/alsa-full-duplex-c-example
[root@~]# ./IdeaAudioEngineTest HDA Intel plughw:0,0 HDA Intel plughw:0,2 USB Audio Device plughw:1,0 The library provides functionality to capture and playback real-time audio data. Full source with documentation is available in IdeaAudio library with Duplex Alsa Audio. Library source is now open at github.com
An introduction to Linux sound systems and APIs - …
https://www.linux.com/news/introduction-linux-sound-systems-and-apis-0/
It is a real-time sound server written for POSIX systems (and actually available for Linux and OS X) that enables different applications to have synchronous connections to the audio hardware and to share audio among themselves via a ports system. Programs can run as normal independent applications or as plugins within the JACK server. It uses the callback method …
Linux-Kernel Archive: Full duplex SB16/AWE32 audio
http://lkml.iu.edu/hypermail/linux/kernel/9904.2/1089.html
make it full duplex, the /dev/audio or /dev/dsp must be opened once as read/write. In contrast, speak_freely has two separate programs to send and receive audio streams, therefore it opens /dev/audio twice: one for reading and another for writing. However, Linux audio driver for SoundBlaster prohibits this. Are there any plans to provide real full
3.2.4.2. Audio — Processor SDK Linux for AM335X Documentation
https://software-dl.ti.com/processor-sdk-linux/esd/docs/latest/linux/Foundational_Components/Kernel/Kernel_Drivers/Audio.html
To record audio to a file: arecord -Dplughw:0,0 -t wav <path to wav file>. To test full duplex audio (play back the recorded audio w/o intermediate file): arecord -Dplughw:0,0 | aplay -Dplughw:0,0. To request specific audio format to be used for playback/capture take a …
linux-audio-user: [linux-audio-user] full duplex USB<->SP
http://lalists.stanford.edu/lau/2003/04/0343.html
Reply: svz: "Re: [linux-audio-user] full duplex USB<->SPDIF converter recommendations" I would like purchase a very simple and straight forward USB<->SPDIF converter and do full duplex streaming (i.e. record sound from SPDIF output device, process the sound in Linux and play it back to SPDIF device in
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