I'm remastering a set of older clips. A few avi clips have the vo1+ audio codec. I guess vorbis / ogg. My VLC player plays the movie part well, but no sound. I want to convert these clips anyway but both handbrake and shotcut failed to recognize the sound. Is there a way to convert this clip (or perhaps only the sound) into a clip with mp3? Don't want to use online conversion. I assumed that software could do the job so i didn't install any codec (pacs). How can i manage this. preferably using freeware (no online converting) Using windows 7.
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This is the relevant information from mediainfo: extension .avi
1 video stream: MPEG-4 Visual (DivX), First video stream 1410 kb/s 640x480 at MPEG-4 Visual (Divx)
1 audio stream: Vorbis First audio stream 128 kb/s 48,0 kHz. 2 channels, Vorbis (Mode 1+)
Writing application: Nandub v1.0 rc2
Writing library: Nandub build 1853 / release
More audio info:
Format: Vorbis
Format version: mode 1+
Format settings: floor 1
Codec ID: 676F
Bit rate Mode: constant
Bit rate: 128 kb/s
Channels 2
Sampling rate: 48,0 kHz
Compression mode: lossy
Stream size: 59,6 MiB
Interleave, duration : 34 ms (1,00 videoframe)
Interleave prelaod duration 669 ms
Writing application: vorbis.acm
Writing library: libVorbis 1.0 RC3 -
Try
ffmpeg -i your.avi -c:v copy -c:a aac -b:a 192k output.mkvLast edited by ProWo; 25th Jan 2021 at 15:21.
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Thans for your reply.
Failed. could not find codex parameters for stream 1 (audio : none ...................). consider increasing the value for the analyzeduration and probesize options. Guessed channel layout for input stream #0.1 strereo.. Decoder (codex none) not found for input stream #0.1
Looks this causes somehow the problem:
Writing application: Nandub v1.0rc2
Writing library: Nandub build 1853 / release
probably i overlooked a thing .......Last edited by condorday; 25th Jan 2021 at 20:19.
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A very old ACM codec was used (vorbis.acm), probably this one: https://www.videohelp.com/software/OGG-Vorbis-ACM-Codec.
FFmpeg has on old ticket related to this: https://trac.ffmpeg.org/ticket/1690.PB -
Thanks to all, especially ProWo for your effort again. Learned a lot in two days with this excellent forum. Unfortunately i couldn't solve the problem although. Avidemux, i had it already on my computer but also this program didn't work. Well, beginning to think about a corrupt audio file. Suggestions are still welcome.
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Can you upload a sample?
Secondly, what is the origin of these files, and have you
ever been able to successfully play them?Last edited by davexnet; 27th Jan 2021 at 17:47.
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@davexnet Thanks, i've never been able to play the audio. I'll let it go now.
Last edited by condorday; 28th Jan 2021 at 19:40.
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