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How can I extract audio from video with ffmpeg? - Stack ...
https://stackoverflow.com/questions/9913032/how-can-i-extract-audio-from-video-with-ffmpeg
To encode a high quality MP3 or MP4 audio from a movie file (eg AVI, MP4, MOV, etc) or audio file (eg WAV), I find it's best to use -q:a 0 for variable bit rate and it's good practice to specify -map a to exclude video/subtitles and only grab audio:. ffmpeg -i sample.avi -q:a 0 …
ffmpeg grabbing audio and video - LinuxQuestions.org
https://www.linuxquestions.org/questions/linux-newbie-8/ffmpeg-grabbing-audio-and-video-905795/
ffmpeg grabbing audio and video im trying to record video and audio with ffmpeg using this command ffmpeg -f alsa -i hw:1,0 -f video4linux2 -s 320x240 -i /dev/video1 …
FFmpeg Devices Documentation
https://ffmpeg.org/ffmpeg-devices.html
This device allows playing and grabbing from an Audio-CD. For example to copy with ffmpeg the entire Audio-CD in /dev/sr0, you may run the command: ffmpeg -f libcdio -i /dev/sr0 cd.wav 3.13.1 Options speed. Set drive reading speed. Default value is 0. The speed is specified CD-ROM speed units.
Slight audio latency when grabbing system audio ... - FFmpeg
https://trac.ffmpeg.org/ticket/4348
I'm doing screen-recordings in which I mix system audio from pulse and audio from an external microphone. The recording works, but the system audio has a slight delay (< 1 sec), just enough to be annoying. The recording output shows two different warning messages: 1: [pulse @ 0x2804980] pa_stream_get_latency () failed. 2:
ffmpeg Documentation
https://ffmpeg.org/ffmpeg.html
ffmpeg is a very fast video and audio converter that can also grab from a live audio/video source. It can also convert between arbitrary sample rates and resize video on the fly with a high quality polyphase filter.
Convert audio files to mp3 using ffmpeg - Stack Overflow
https://stackoverflow.com/questions/3255674/convert-audio-files-to-mp3-using-ffmpeg
You could use this command: ffmpeg -i input.wav -vn -ar 44100 -ac 2 -b:a 192k output.mp3 Explanation of the used arguments in this example:-i - input file-vn - Disable video, to make sure no video (including album cover image) is included if the source would be a video file-ar - Set the audio sampling frequency. For output streams it is set by default to the frequency of the …
grab audio - libav-user.ffmpeg.narkive.com
https://libav-user.ffmpeg.narkive.com/WxmID5qL/grab-audio
Hi, I need some help about audio grabbing. I would like to know what doess ffmpeg uses to grab audio. Does it uses oss or alsa ? What I do is to open /dev/dsp with oss format (av_find_input_format).
Analog Video Grabbing with ffmpeg - VideoHelp Forum
https://forum.videohelp.com/threads/293469-Analog-Video-Grabbing-with-ffmpeg
Hi, analog video grabbing on Debian Etch with an SAA7134 Analog-TV-Chip in board of an 2,4 GHz MB works fine with: streamer -t 180:00 -i composite1 -s Analog Video Grabbing with ffmpeg - VideoHelp Forum
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