For the issue of converting G723.1 to PCM format – please see the below input
and output and advise.
C:\ffmpeg\bin>ffmpeg -acodec g723.1 Robinson.wav -f PCM robinsonconverted.wav
ffmpeg version N-92043-g0f36ad514c Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 8.2.1 (GCC) 20180813
configuration: --enable-gpl --enable-version3 --enable-sdl2
--enable-fontconfig --enable-gnutls --enable-iconv --enable-libass
--enable-libbluray --enable-libfreetype --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr
--enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack
--enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2
--enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab
--enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex
--enable-libxvid --enable-libaom --enable-libmfx --enable-amf
--enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc
--enable-nvdec --enable-dxva2 --enable-avisynth
libavutil 56. 19.101 / 56. 19.101
libavcodec 58. 31.100 / 58. 31.100
libavformat 58. 18.102 / 58. 18.102
libavdevice 58. 4.104 / 58. 4.104
libavfilter 7. 32.100 / 7. 32.100
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
Output #0, wav, to 'Robinson.wav':
Output file #0 does not contain any stream
C:\ffmpeg\bin>ffmpeg -i Robinson.wav g723.1 -f robinsonconverted.wav PCM
ffmpeg version N-92043-g0f36ad514c Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 8.2.1 (GCC) 20180813
configuration: --enable-gpl --enable-version3 --enable-sdl2
--enable-fontconfig --enable-gnutls --enable-iconv --enable-libass
--enable-libbluray --enable-libfreetype --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr
--enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack
--enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2
--enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab
--enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex
--enable-libxvid --enable-libaom --enable-libmfx --enable-amf
--enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc
--enable-nvdec --enable-dxva2 --enable-avisynth
libavutil 56. 19.101 / 56. 19.101
libavcodec 58. 31.100 / 58. 31.100
libavformat 58. 18.102 / 58. 18.102
libavdevice 58. 4.104 / 58. 4.104
libavfilter 7. 32.100 / 7. 32.100
libswscale 5. 2.100 / 5. 2.100
libswresample 3. 2.100 / 3. 2.100
libpostproc 55. 2.100 / 55. 2.100
[wav @ 000001c78f59a440] Estimating duration from bitrate, this may be
inaccurate
Input #0, wav, from 'Robinson.wav':
Duration: 00:07:48.95, bitrate: 5 kb/s
Stream #0:0: Audio: g723_1 ([0][161][0][0] / 0xA100), 8000 Hz, mono, s16, 5
kb/s
[NULL @ 000001c78f5ad540] Unable to find a suitable output format for 'g723.1'
g723.1: Invalid argument
Kirk Calabrese, MA,CMT, Network+ Certified Professional
IT Consultant
-----Original Message-----
From: ffmpeg-user <[email protected]> On Behalf Of Paul B Mahol
Sent: Monday, September 24, 2018 9:02 AM
To: FFmpeg user questions <[email protected]>
Subject: Re: [FFmpeg-user] G723.1 conversion to PCM
On 9/24/18, [email protected] <[email protected]> wrote:
> Hello users group:
>
>
>
> Two commands fail to convert G723.1 to PCM. I have Verint software
> which is currently converting these files; however, issue is I need to
> be able to convert from a different server and don't have their
> software. Can anyone assist?
>
>
>
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> Kirk Calabrese, MA,CMT, Network+ Certified Professional
>
> IT Consultant
First update your ffmpeg version, it is extremly old.
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