[FFmpeg-trac] #11364(ffprobe:new): µ-law: pcm_mulaw files incorrectly shown as "s16", actually 8 bit per sample

FFmpeg trac at avcodec.org
Sat Dec 21 20:45:59 EET 2024


#11364: µ-law: pcm_mulaw files incorrectly shown as "s16", actually 8 bit per
sample
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             Reporter:  Marcus Müller  |                    Owner:  (none)
                 Type:  defect         |                   Status:  new
             Priority:  normal         |                Component:  ffprobe
              Version:  unspecified    |               Resolution:
             Keywords:                 |               Blocked By:
             Blocking:                 |  Reproduced by developer:  0
Analyzed by developer:  0              |
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Comment (by Balling):

 Maybe

 The μ-law and A-law algorithms encode **14-bit** and 13-bit signed linear
 PCM samples (respectively) to logarithmic 8-bit samples. Thus, the G.711
 encoder will create a 64 kbit/s bitstream for a signal sampled at 8 kHz
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11364#comment:1>
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