: Batch
@echo off
SETLOCAL EnableExtensions EnableDelayedExpansion

if "%1" equ "" (
    echo \"Syntax : %~0 <directory>\"
    goto :eof
)
set inputpath=%1

: Config
set program=srs.bat

:: Remove quotes
SET inputpath=###%inputpath%###
SET inputpath=%inputpath:"###=%
SET inputpath=%inputpath:###"=%
SET inputpath=%inputpath:###=%

: Core
for /f "delims==" %%G in ('dir /b "%inputpath%\*.mp3"') do (
"%program%" "%inputpath%\%%~nG.srs" "%inputpath%\%%~nG.mp3" -o %inputpath%\fixed\ -y
)

:eof