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12.04 - Sound Input Device not detected in laptop - Ask …
https://askubuntu.com/questions/198103/sound-input-device-not-detected-in-laptop
I have a VAIO VPCEA23EN laptop with Ubuntu 12.04. Its unable to detect sound input hardware. How can I fix the problem. Here is the screenshot of my sound input tab.
no sound in ubuntu 12.04 - LinuxQuestions.org
https://www.linuxquestions.org/questions/linux-software-2/no-sound-in-ubuntu-12-04-a-943298/
In particular, if a VM's audio setting is Intel HD Audio then sound does not work in an Ubuntu 12.04 guest. On the other hand, sound will only work for a Windows 7 (64-bit) guest when the audio setting is Intel HD Audio. This can be rather annoying when you are working with a VM which dual boots either Ubuntu or Windows 7 as the guest OS.
Fix Missing Audio Input Device in Ubuntu | Thomas Venturini
https://thomasventurini.com/articles/fix-missing-audio-input-device-in-ubuntu/
Fix Missing Audio Input Device in Ubuntu. 4/19/2020 ... After searching the internet for a solution, I discovered, that my sound card was only setup for audio output and not input, so there was no need for the system to list my headset microphone as input device, since it was attached through the standard jack of the sound card. ...
[lubuntu] Lubuntu 12.04: no sound "snd_pcm_open failed ...
https://ubuntuforums.org/archive/index.php/t-2157534.html
With a fresh install of Lubuntu 12.04 on older hardware, I have no sound (running as normal user), and I get the errors below: Audacious says: When I run audacious as root, it works and I get sound. sudo audacious
ubuntu 12.04 - pocketsphinx_continuous failed to open ...
https://stackoverflow.com/questions/17132192/pocketsphinx-continuous-failed-to-open-audio-device
Similar to Pulseaudio there are others not very popular frameworks, but sphinxbase doesn’t support them. Example are ESD (old GNOME sound server), ARTS (old KDE sound server), Portaudio (portable library usable across Windows, Linux and Mac). The recommended audio framework on Ubuntu is pulseaudio.
python - PyAudio IOError: No Default Input Device ...
https://stackoverflow.com/questions/4672155/pyaudio-ioerror-no-default-input-device-available
Here's some code to illustrate how I would get PYO to get and output an audio input after processing it to change it's pitch: from pyo import * serv = Server (duplex=1).boot () serv.start () shiftfreq = 329.63 # 329.63 is the frequency for the E note mic = Input (chnl=0) shift = FreqShift (mic, shift=shiftfreq, mul=.5).out () serv.gui (locals ...
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