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Converting one GSM audio file into MP3 is really easy as there is many freeware and online portal is floating on internet but when you do not have access to internet or you are sitting on company's computer and could not able to install then it become a real challenge to convert GSM to MP3 audio file.
GSM to MP3 Converter Free Download
We normally stuck in the same situation and hence i have installed VideoLAN Media Player and using as GSM to MP3 Converter Free Download. Everything is going smooth as i was quite happy with this situation but soon i have seen that to converting multiple GSM file into MP3 is problematic and time taking hence i have taken a reference from VideoLAN Wiki and written simple CMD command line for the resolution of this challenge.
Hence, thought to share the same to help you out. Please find the command line & file both i.e. CMD/BAT converter:
@ECHO OFF
FOR /R %%G IN (*.gsm) DO (CALL :SUB_VLC "%%G")
FOR /R %%G IN (*.mp3.mp*) DO (CALL :SUB_RENAME "%%G")
GOTO :eof
:SUB_VLC
SET _firstbit=%1
SET _qt="
CALL SET _newnm=%%_firstbit:%_qt%=%%
SET _commanm=%_newnm:,=_COMMA_%
REM echo %_commanm%
CALL "%ProgramFiles(x86)%\VideoLAN\VLC\vlc" -I dummy -vvv %1 --sout=#transcode{acodec="mp3",ab="512","channels=2"}:standard{access="file",mux="raw",dst="%_commanm%.mp3"} vlc://quit
GOTO :eof
:SUB_RENAME
SET _origfnm=%1
SET _endbit=%_origfnm:*.m4a=%
CALL SET _newfilenm=%%_origfnm:.m4a%_endbit%=.mp3%%
SET _newfilenm=%_newfilenm:_COMMA_=,%
COPY %1 %_newfilenm%
DEL %1
GOTO :eof
:eofCopy and paste above code in notepad and save it with file name converter.cmd - All done. Now, you need to paste converter.cmd in the same folder where your GSM files are and double click to convert all file into MP3 in the very same folder.
Direction to use GSM to MP3 CMD Converter: Place cmd & gsm file one folder and double click on cmd file resulting all gsm converted into mp3 file easily. Please feel free to comment below if are facing issue in using the same.
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