Opened 6 years ago

Last modified 5 years ago

#4534 new defect

Voxware metasound sounds broken

Reported by: Carl Eugen Hoyos Owned by:
Priority: normal Component: avcodec
Version: git-master Keywords: voxware
Cc: ami_stuff@o2.pl Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

(videolan ticket 14540)
A Voxware Metasound avi sample was uploaded that sounds worse with current FFmpeg than with mplayer -ac voxware.

$ ffmpeg -i Voxware_codec_cut.avi
ffmpeg version N-71902-g858f81f Copyright (c) 2000-2015 the FFmpeg developers
  built with gcc 4.7 (SUSE Linux)
  configuration: --enable-gpl
  libavutil      54. 23.101 / 54. 23.101
  libavcodec     56. 37.100 / 56. 37.100
  libavformat    56. 31.102 / 56. 31.102
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 16.101 /  5. 16.101
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  3.100 / 53.  3.100
[avi @ 0x2c1b460] Estimating duration from bitrate, this may be inaccurate
Input #0, avi, from 'Voxware_codec_cut.avi':
  Metadata:
    encoder         : Lavf56.31.102
  Duration: 00:03:26.21, start: 0.000000, bitrate: 80 kb/s
    Stream #0:0: Audio: metasound (u[0][0][0] / 0x0075), 44100 Hz, stereo, fltp, 80 kb/s
At least one output file must be specified

Attachments (6)

Voxware_codec_cut.avi (2.0 MB ) - added by Carl Eugen Hoyos 6 years ago.
metasound.7z (1.3 MB ) - added by ami_stuff 6 years ago.
meta_1.7z (1.7 MB ) - added by ami_stuff 5 years ago.
meta_2.7z (1.4 MB ) - added by ami_stuff 5 years ago.
twinvq1.7z (1.2 MB ) - added by ami_stuff 5 years ago.
twinvq2.7z (2.1 MB ) - added by ami_stuff 5 years ago.

Change History (11)

by Carl Eugen Hoyos, 6 years ago

Attachment: Voxware_codec_cut.avi added

by ami_stuff, 6 years ago

Attachment: metasound.7z added

comment:1 by ami_stuff, 6 years ago

I attached full set of Voxware files if someone will want to try to improve this, but probably it won't happen.

comment:2 by ami_stuff, 6 years ago

Cc: ami_stuff@o2.pl added

by ami_stuff, 5 years ago

Attachment: meta_1.7z added

by ami_stuff, 5 years ago

Attachment: meta_2.7z added

comment:3 by ami_stuff, 5 years ago

attached better samples

by ami_stuff, 5 years ago

Attachment: twinvq1.7z added

by ami_stuff, 5 years ago

Attachment: twinvq2.7z added

comment:4 by Elon Musk, 5 years ago

Could you upload decoded output of vfw codec for samples in metasound.7z?

in reply to:  4 comment:5 by ami_stuff, 5 years ago

Replying to richardpl:

Could you upload decoded output of vfw codec for samples in metasound.7z?

https://files.fm/u/mc6dqbfh

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