0
votes
1answer
26 views

FFMPEG Audio not recording

I'm having some issues recording sound with FFMPEG on Ubuntu. ffmpeg -v verbose -f x11grab -y -r 60 -s 1920x1080 -i :0.0 -vcodec mpeg4 -f alsa -i pulse -ar 44100 -acodec libmp3lame -ab 192k -ac 2 ...
0
votes
0answers
34 views

Record audio + video using ffmpeg

I am using the ffmpeg command to record the audio and video. Following is the command, I am using to record the audio: ffmpeg -y -f pulse -name 'USB Soundcard 0' -i ...
0
votes
0answers
6 views

No audio with avconv (formery ffmep)

I cannot get any program that uses avconv (such as Openshot, or VLC), to play any sound on videos (or even mp3). This is after trying to uninstall and reinstall libav-tools, and even after upgrading ...
0
votes
1answer
20 views

How to extract aac audio from an mp4 file to m4a

How can I extract the aac-audio from an mp4 file? I tried so with ffmpeg -acoded copy but if i use mp4 as output it will still encode the video and I get the same filesize m4a as output it will ...
0
votes
0answers
17 views

Editing AVI Metadata

I know there are questions like this one but I tried other's solutions but they did not work for me. This 'works': ffmpeg -i input.avi -metadata title="Moonshine" -metadata author="Moonshine" ...
0
votes
0answers
37 views

Damaged mp4 file - can't extract audio

I've been trying fruitlessly for a while now and gotten so frustrated I finally succumbed and decided to ask for help. I ask though because this file is VERY important, it is also important I know ...
0
votes
1answer
94 views

DVD Audio Playback Silent - how to find codec

I'm utterly baffled by this but I'm sure the fix must be simple - I can play DVDs fine on my ubuntu machine but I have just bought a new DVD and there is no sound. The sound works on all other DVDs ...
0
votes
0answers
108 views

.ape files not playing in Banshee, VLC, Quod Libet

I am on Linux 13.04, trying to run an ape file in Banshee Media Player. However, the song stops about 8 seconds in. The same thing happens in VLC and Quod Libet. However, the file I'm testing runs ...
2
votes
2answers
2k views

How to do screencasting (desktop recording) with high quality audio and video?

I have googled around and found all the usual solutions. None of them work for me. First of all, I want to make high quality recordings. Second, I use JACK audio (PulseAudio is completely ...
0
votes
0answers
51 views

How can I forward two streams together in pavucontrol?

I'm trying to capture screen and audio with ffmpeg, and I want to record both microphone and computer output. I can choose from one of it in pavucontrol, but not both in the same time. Any solution?
1
vote
0answers
125 views

Splitting audio channels using pulseaudio

My mission is record desktop using avconv (ffmpeg) + record microphone input + use sphinx program which also need the same microphone for voice control. Now, the problem is that if I start sphinx ...
2
votes
2answers
590 views

How to convert AC3 to Flac and apply a delay?

I have a MKV video file. The audio track is ac3. I extracted the AC3 and now want to convert it to Flac. But I need to add a delay/offset of 150ms. The offset should be permanent; the actual duration ...
1
vote
2answers
3k views

how to format the ffmpeg command to record sound from my webcam

Using ffmpeg arecord -L, I am able to identify my Logitech usb webcam as: hw:CARD=U0x46d0x821,DEV=0 USB Device 0x46d:0x821, USB Audio Direct hardware device without any conversions ...
2
votes
2answers
791 views

Record and display Kinect audio and video via avconv

I'm trying to record audio and video from a Kinect using avconv but I seem to have trouble specifying the right options. avconv -f video4linux2 -video_size 640x480 -c:v h264 -c:a ac3 -i /dev/video1 ...
3
votes
1answer
2k views

How do I record audio and video to a file from my webcam using ffmpeg?

This says to use /dev/dsp as the audio input. But I don't have a /dev/dsp I can find my webcam's mic in /dev/snd as /dev/snd/by-id/usb-Dynex_Dynex_1.3MP_Webcam-02
3
votes
1answer
863 views

FFmpeg or GStreamer for command line conversion of audio files?

I think I'm mixing up and I need some one to clarify things for me! What is the differences between GStreamer and FFmpeg. What I need is a command line to convert file(s) from one format to another. ...
3
votes
0answers
1k views

FFmpeg not recording audio during screen capture [closed]

I'm using the script below to run FFmpeg on Ubuntu 10.10. I followed these instructions to install FFmpeg & x264. While ffmpeg does capture the screen it does not capture the mic audio. I've ...
5
votes
3answers
7k views

Add an audio file to and mkv video

I'm quite new to multimedia things, I'm trying to find a way to make nice screencasts, I've already been able to capture my desktop with ffmpeg: $ ffmpeg -f alsa -ac 2 -i hw:0,0 -f x11grab -r 30 -s ...