[FFmpeg-trac] #8585(undetermined:new): Silence/volume problem when converting ATRAC files

FFmpeg trac at avcodec.org
Fri Mar 27 16:36:23 EET 2020


#8585: Silence/volume problem when converting ATRAC files
-------------------------------------+-------------------------------------
             Reporter:  lukpac       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  atrac        |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by lukpac):

 I hadn't previously, but I'm doing so now.

 ATRAC1:
 http://fate-suite.ffmpeg.org/atrac1/chirp_tone_10-16000.aea
 http://fate-suite.ffmpeg.org/atrac1/test_tones_small.aea

 Neither of these files has audio at the start of the track, making testing
 this scenario impossible.

 ATRAC3plus:
 http://fate-suite.ffmpeg.org/atrac3p/at3p_sample1.oma
 http://fate-suite.ffmpeg.org/atrac3p/at3p_sample1.pcm

 These seem to exhibit a similar fade-up to the files I tested from MD.
 Unfortunately, the PCM file seems to be a decode of the OMA file, rather
 than the original audio used to encode the OMA, so it is impossible to
 determine the effects of decoding.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/8585#comment:2>
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