[FFmpeg-user] repair missing audio header

2021-04-18 Thread Alexander Machev
ffmpeg is reporting audio errors in some of my tv recordings. [mp2 @ 03956040] [error] Header missing [error] Error while decoding stream #0:1: Invalid data found when processing input Is it possible to fix them without reencoding the whole audio stream ? As far as I know an mpeg audio

Re: [FFmpeg-user] Converting wma to mp3, avoiding joint stereo

2021-04-18 Thread Alan Corey
Right, FM mono (since FM stereo came out) is L+R, then if you can manage stereo reception the second channel is L-R. I set up a car stereo once with 8 switches, you could switch each (of 4) speakers from left to right, you could also flip the phase of each. Interesting experiment but I quickly

Re: [FFmpeg-user] Converting wma to mp3, avoiding joint stereo

2021-04-18 Thread Moritz Barsnick
On Sat, Apr 17, 2021 at 13:42:02 -0400, Alan Corey wrote: > can deal with. So I did the basic > ffmpeg -i somefile.wma somefile.mp3 > And it works, but mpg123 tells me the file is joint stereo. It's > quite possible the wma files are joint stereo, I don't know anything > about them, but when I

Re: [FFmpeg-user] Converting wma to mp3, avoiding joint stereo

2021-04-18 Thread Paul B Mahol
use "-joint_stereo 0" option for ffmpeg. Note that placing order is important. On Sat, Apr 17, 2021 at 8:06 PM Alan Corey wrote: > New to the list, I've used ffmpeg for years on video files. But I got > from a torrent a bunch of classical wma files which not much in Linux > can deal with. So