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OpenAL: Cross Platform 3D Audio
https://www.openal.org/#:~:text=OpenAL%20is%20a%20cross-platform%203D%20audio%20API%20appropriate,are%20a%20Listener%2C%20a%20Source%2C%20and%20a%20Buffer.
c++ - Recording Audio with OpenAL - Stack Overflow
https://stackoverflow.com/questions/3056113/recording-audio-with-openal
Last time I checked OpenAL it was quite simple. You create the recording device and start the recording going. You then just call the get buffer function. It will wait until there is enough data to fill the buffer and then return when there is enough data. Why not just look at the "capture" example that comes with the OpenAL SDK ...? Share
OpenAL playback captured audio data c++ - Stack Overflow
https://stackoverflow.com/questions/9886668/openal-playback-captured-audio-data-c
/* Start playback and capture, and enter the audio loop */ alSourcePlay(source); alcCaptureStart(dev[1]); //starts ring buffer while(1) { /* Check if any queued buffers are finished */ alGetSourcei(source, AL_BUFFERS_PROCESSED, &val); if(val <= 0) continue; /* Check how much audio data has been captured (note that 'val' is the * number of frames, not bytes) */ …
c++ - How I can recording sound with OpenAL - Stack …
https://stackoverflow.com/questions/14333645/how-i-can-recording-sound-with-openal
/* Start playback and capture, and enter the audio loop */ alSourcePlay(source); alcCaptureStart(dev[1]); //starts ring buffer while(key) { /* Check if any queued buffers are finished */ alGetSourcei(source, AL_BUFFERS_PROCESSED, &val); if(val <= 0) continue; /* Check how much audio data has been captured (note that 'val' is the * number of frames, not bytes) */ …
Sound capture with OpenAL on iOS - Stack Overflow
https://stackoverflow.com/questions/10756972/sound-capture-with-openal-on-ios
If there is none, create one. if (!alcGetCurrentContext()) { outputDevice = alcOpenDevice(NULL); outputContext = alcCreateContext(outputDevice, NULL); alcMakeContextCurrent(outputContext); } // Capture itself inputDevice = alcCaptureOpenDevice(NULL, frequency, FORMAT, bufferSize); ....
OpenAL: Cross Platform 3D Audio
http://openal.org/documentation/
ALC_EXT_CAPTURE-- capture functionality; documentation is in the OpenAL 1.1 Specification AL_EXT_MP3-- MP3 audio format support Linux/Standard Implementation Extensions ALC_LOKI_audio_channel-- get/set the volume settings for the current context LOKI_buffer_data_callback-- a buffer callback mechanism LOKI_IMA_ADPCM_format-- ADPCM …
OpenAL: Cross Platform 3D Audio
OpenAL is a cross-platform 3D audio API appropriate for use with gaming applications and many other types of audio applications. The library models a collection of audio sources moving in a 3D space that are heard by a single listener somewhere in that space. The basic OpenAL objects are a Listener, a Source, and a Buffer. There can be a large number of Buffers, which contain audio …
OpenAL short example - GitHub Pages
https://ffainelli.github.io/openal-example/
OpenAL is the audio counterpart of OpenGL for graphics and as such defines a standard and portable API to build audio applications on top of it. The API covers both playback and capture use cases. Implementations There are various implementations of OpenAL in the wild, the one being used in this example is called
How to record live audio input into file from microphone ...
https://stackoverflow.com/questions/4096703/how-to-record-live-audio-input-into-file-from-microphone-with-openal-c-code
I have such code for doing echo of microphone with openAL on windows. I want to create some CapturedAudioData file to write all audio data captured during the loop. So its going to be like unformated PCM. And I need it to be filled up 25 times per second.
Audio — Emscripten 3.1.4-git (dev) documentation
https://emscripten.org/docs/porting/Audio.html
Emscripten’s OpenAL implementation (and also SDL1) will automatically listen for a user click or keypress on the document and the canvas, and resume audio for you. That means that audio should start to play once the user does something on the page. (See autoResumeAudioContext () for how this is done internally.) Emscripten-specific capture behavior
OpenAL Programmers Guide
https://www.openal.org/documentation/OpenAL_Programmers_Guide.pdf
OpenAL is a cross-platform three-dimensional audio API. The API’s primary purpose is to allow an application to position audio sources in a three-dimensional space around a listener, producing reasonable spatialization of the sources for the audio system (headphones, 2.1 speaker output, 5.1 speaker output, etc.)
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