portaudio

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PortAudio: How to get record from mic (get data)

I am trying to use portaudio (being cross platform capability), to read in from microphone, then i want to put that data through a FFT, but i am not so sure how to do it.[详细]

2023-03-19 19:27 分类：问答
Portaudio won't play sound if another program is currently playing

I have a program using PortAudio. Currently I\'m starting it up with Pa_OpenDefaultStream(&stream, 0, 2, paFloat开发者_C百科32, 44100, 256, audioCB, udata), but when I compile and run my program i[详细]

2023-03-05 19:18 分类：问答
Why does PyGILState_Release(…) segfault in this case?

I am working on implementing asynchronous audio playback for PyAudio. The backend Portaudio implements asynchronous playback by creating its own thread and calling a C-callback funct开发者_如何学编程i[详细]

2023-02-14 08:34 分类：问答
PyAudio raise exception on buffer under/overflow

PyAudio is based on PortAudio. Is there anyway to detect a buffer under/overflow for writing/reading from an audio stream in 开发者_如何学PythonPyAudio?According to the documentation you can raise an[详细]

2023-02-05 17:09 分类：问答
PyAudio IOError: No Default Input Device Available

I\'m using PyAudio under the Enthought Python Distribution (Python 2.6.6) in Ubuntu 10.10 x64. >>> import pyaudio[详细]

2023-02-04 20:30 分类：问答
PyAudio trying to use JACK

I\'m running PyAudio under Python 2.6.6 and would like it to use ALSA and 开发者_运维知识库not JACK.[详细]

2023-02-03 17:24 分类：问答
speex decoding going wrong

I\'m using speex to encode some audio data and send it over UDP, and decode it on the other side. I ran a few tests with speex, and noticed that if I decode a packet straight after I encoded it, the d[详细]

2023-01-27 12:33 分类：问答
Unable to install and build PyAudio

I\'ve build and installed PortAudio using this tarball: \'pa_stable_v19_20071207.tar.gz\' After this step, when I\'m trying to install PyAudio via the tarball from this URL:[详细]

2023-01-24 22:38 分类：问答
Cmake file for PortAudio

I was wondering, d开发者_开发百科o you guys know of a cmake file for portaudio that I could use?[详细]

2023-01-03 21:23 分类：问答
How to extract frequency information from samples from PortAudio using FFTW in C

I want to make a program that would record audio data using PortAudio (I have this part do开发者_如何学Gone) and then display the frequency information of that recorded audio (for now, I\'d like to di[详细]

2023-01-03 14:01 分类：问答