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mediainfo v21.09 reports incorrect Sampling rate for Adaptive Multi-Rate Wide band
Hi,
mediainfo v21.09 reports incorrect Sampling rate (943 Hz instead of 16kHz) for Adaptive Multi-Rate Wide band :
$ mediainfo --version
MediaInfo Command line,
MediaInfoLib - v21.09
$ mediainfo Joseph_Prince_-_The_Prayer_That_Repairs_Your_Body-12.65kbps-16kHz_amr_wb.3gp | grep Sampling
Sampling rate : 943 Hz
$ mediainfo Joseph_Prince_-_The_Prayer_That_Repairs_Your_Body-12.65kbps-16kHz_amr_wb.3gp
General
Complete name : Joseph_Prince_-_The_Prayer_That_Repairs_Your_Body-12.65kbps-16kHz_amr_wb.3gp
Format : MPEG-4
Format profile : 3GPP Media Release 4
Codec ID : 3gp4 (3gp4/isom/iso2)
File size : 2.04 MiB
Duration : 21 min 36 s
Overall bit rate mode : Constant
Overall bit rate : 13.2 kb/s
Track name : Joseph Prince - The Prayer That Repairs Your Body
Released date : 51358
Audio
ID : 1
Format : AMR
Format/Info : Adaptive Multi-Rate
Format profile : Wide band
Codec ID : sawb
Duration : 21 min 36 s
Source duration : 21 min 36 s
Bit rate mode : Constant
Bit rate : 13.2 kb/s
Channel(s) : 1 channel
Sampling rate : 943 Hz
Bit depth : 14 bits
Stream size : 2.04 MiB (100%)
Source stream size : 2.04 MiB (100%)
Title : ISO Media file produced by Google Inc.
Default : Yes
Alternate group : 1
mdhd_Duration : 1296815
$ ffprobe -hide_banner Joseph_Prince_-_The_Prayer_That_Repairs_Your_Body-12.65kbps-16kHz_amr_wb.3gp 2>&1 | grep -w Hz
Stream #0:0(und): Audio: amr_wb (sawb / 0x62776173), 16000 Hz, mono, flt, 13 kb/s (default)
$ ffprobe -hide_banner Joseph_Prince_-_The_Prayer_That_Repairs_Your_Body-12.65kbps-16kHz_amr_wb.3gp
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Joseph_Prince_-_The_Prayer_That_Repairs_Your_Body-12.65kbps-16kHz_amr_wb.3gp':
Metadata:
major_brand : 3gp4
minor_version : 512
compatible_brands: 3gp4isomiso2
Duration: 00:21:36.82, start: 0.000000, bitrate: 13 kb/s
Stream #0:0(und): Audio: amr_wb (sawb / 0x62776173), 16000 Hz, mono, flt, 13 kb/s (default)
Metadata:
handler_name : ISO Media file produced by Google Inc.
vendor_id : [0][0][0][0]
I get this Sampling rate
of 943 Hz
on both Ubuntu LTS and also on Android.
The Sampling rate reported for Adaptive Multi-Rate Narrow band is correct.