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PortAudio: PaDeviceInfo Struct Reference
http://www.portaudio.com/docs/v19-doxydocs/structPaDeviceInfo.html
Definition at line 513 of file portaudio.h. PaTime PaDeviceInfo::defaultLowInputLatency. Default latency values for interactive performance. Definition at line 510 of file portaudio.h. PaHostApiIndex PaDeviceInfo::hostApi. note this is a host API index, not a type id. Definition at line 504 of file portaudio.h.
PortAudio: Enumerating and Querying PortAudio Devices
http://www.portaudio.com/docs/v19-doxydocs/querying_devices.html
deviceInfo = Pa_GetDeviceInfo ( i ); ... } The Pa_DeviceInfo structure contains a wealth of information such as the name of the devices, the default latency associated with the devices and more. The structure has the following fields: int structVersion. const char * name. PaHostApiIndex hostApi. int maxInputChannels.
Reliability of Device ID provided by PortAudio during the ...
https://forum.lazarus.freepascal.org/index.php?topic=47931.0
Re: Reliability of Device ID provided by PortAudio during the run-time of an app. Your CodeSample does not show, how You link to Portaudio, nor how You declare the Variables for it. Using a Pa-Wrapper, like the one elaborated by Fred vS in his 'UOS' (see attached 'uos_portaudio.pas.txt') is much easier.
mod_portaudio - FreeSWITCH - Confluence
https://freeswitch.org/confluence/display/FREESWITCH/mod_portaudio
About Command Reference. A device_ident is either part of the device name or the device ID number (prefixed with a #) seen in... Sample Implementations. In your dialplan, you can easily setup a portaudio intercom to dial into. Note, to easily... Web GUI. Install Notes. When building from source, ...
Psychtoolbox-3 - PsychPortAudio(‘Open’)
http://psychtoolbox.org/docs/PsychPortAudio-Open
pahandle = PsychPortAudio(‘Open’ [, deviceid][, mode][, reqlatencyclass][, freq][, channels][, buffersize][, suggestedLatency][, selectchannels][, specialFlags=0]); Open a PortAudioaudio device and initialize it. Returns a ‘pahandle’ device. handle for the device.
c++ - Portaudio on Raspberry Pi, cannot find device for ...
https://stackoverflow.com/questions/50980219/portaudio-on-raspberry-pi-cannot-find-device-for-input-stream
I want to use Portaudio to realize real-time audio streaming (play the sound while it recording, or play whatever it collected by the mics simultaneously). According to the Portaudio website, it says we have to know the device Id for both inputStream and outputStream.
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.
How do I get a list of my device's audio sample rates ...
https://stackoverflow.com/questions/4623572/how-do-i-get-a-list-of-my-devices-audio-sample-rates-using-pyaudio-or-portaudio
In the pyaudio distribution, test/system_info.py shows how to determine supported sample rates for devices. See the section that starts at line 49. In short, you use the PyAudio.is_format_supported method, e.g. devinfo = p.get_device_info_by_index (1) # Or whatever device you care about. if p.is_format_supported (44100.0, # Sample rate …
Get the microphone device names id in Python pyaudio ...
https://www.codespeedy.com/print-mic-name-device-id-in-python/
Python program to find the mic names id in PyAudio. To work with the microphone or audio input device in your Python program, you have to enter the device name or index to specify which device you want to use. To find the mic device attached to your computer you will need to have the following packages installed on your python. SpeechRecognition; PyAudio
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