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11.10 - xvidcap: Error accessing sound input from /dev/dsp ...
https://askubuntu.com/questions/79740/xvidcap-error-accessing-sound-input-from-dev-dsp
The /dev/dsp device is part of the obsolete OSS sound API, which has since been replaced by the ALSA API. The OSS API was removed from the kernel last year (see bug #579300). Assuming the application doesn't have an option to use the ALSA API, one option that might fix your problem would be to run the application under padsp, which will redirect OSS API calls to the Pulse …
xvidcap / Discussion / Help: Audio Microphone Issue worse ...
https://sourceforge.net/p/xvidcap/discussion/278401/thread/10d7bd31/
the main thing for xvidcap is that it requires oss because that's what ffmpeg does. All your other apps typically use alsa or even a sound daemon like artsd, esd, pulseaudio. To test your setup …
sound - How do I find out where in /dev my microphone ...
https://askubuntu.com/questions/43807/how-do-i-find-out-where-in-dev-my-microphone-audio-input-is-going
Ideally, xvidcap should use PulseAudio for audio input, failing that it should use Alsa. The /dev/dsp and other files in /dev are remnants from OpenSoundSystem (OSS), which is no longer supported (since Ubuntu 10.10). Share Improve this answer answered May 19 '11 at 13:02 user4124 8,135 3 28 36 Add a comment Your Answer Post Your Answer
Xvidcap Project Home Page
http://xvidcap.sourceforge.net/
Today, I suppose xvidcap does its basic job, though I find bugs and possible improvements every day. If you are a developer, appreciate a tool like xvidcap, and want to help improve it, contact me at the sourceforge site. Cheers, Karl. xvidcap live: Click on …
HDMI Audio on NVIDIA GPUs
https://download.nvidia.com/XFree86/gpu-hdmi-audio-document/
ALSA creates an audio stream for each pin widget. Each stream is assigned both a "physical" ID from a range determined by the pin’s type, and a zero-based "logical" ID. For analog audio, the first stream’s physical ID is 0. This will be seen on analog sound cards, and the analog CODEC of a chipset. For HDMI audio, streams will receive ...
audio - kazam no sound and no red border for screencast ...
https://video.stackexchange.com/questions/30238/kazam-no-sound-and-no-red-border-for-screencast
So the solution appears to be to give up on kazam, just like on xvidcap. I found that ffmpeg can be used to record a screencast like this. First, find out the screen resolution. xrandr next, find out the audio source - we are looking for the number of the source that says alsa_output. pactl list sources then start the screencast
"X"...in a box: [Solved] Arch ALSA configuration (HDMI ...
https://xinabox.blogspot.com/2016/07/solved-arch-alsa-configuration-hdmi.html
2.) no sound from media files with MP3 or AAC tracks. Movies and MP3's will play fine in other players, but no sound from VLC if it's MP3 or AAC. The fail will appear to be ALSA, eg, if you attempt to VLC the MP3 file from the command line, you'll see errors including... alsa audio output error: cannot set buffer duration: Invalid argument
Find the right sound device in /dev / Newbie Corner / Arch ...
https://bbs.archlinux.org/viewtopic.php?id=111726
To run it always like that from the menu: run alacarte, go to Sound and video, then to XVidCap Screen Capture, Properties and where it says Command put padsp xvidcap. The stated is to record the system sound, that is, the one coming out of the speakers, that can be of a song or movie of our hard drive or pendrive played by Totem, of a Flash ...
Ubuntu – PulseAudio does not recognize laptop microphone ...
https://itectec.com/ubuntu/ubuntu-pulseaudio-does-not-recognize-laptop-microphone/
Source #0 State: SUSPENDED Name: alsa_output.pci-0000_00_1f.5.analog-stereo.monitor Description: Monitor of Internal Audio Analog Stereo Driver: module-alsa-card.c Sample Specification: s16le 2ch 44100Hz Channel Map: front-left,front-right Owner Module: 4 Mute: no Volume: 0: 100% 1: 100% 0: 0.00 dB 1: 0.00 dB balance 0.00 Base Volume: 100% 0.00 ...
Noob’s Guide to Linux Audio: ALSA, OSS, and Pulse Audio ...
https://linuxhint.com/guide_linux_audio/
Open Sound System (OSS) The official website of ALSA mentions support for Open Sound System, or OSS for short. Until Linux 2.5, OSS was actually the main and only sound system for Linux. ALSA was designed to overcome its various shortcomings, such as the fact that it didn’t allow more than one application to access the hardware at a time.
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