FLVExtract/MP4Creator: create (FLV to AAC to M4A)

create.cmd

@echo off
SETLOCAL EnableDelayedExpansion
SET TOOL=mp4creator.exe
SET WD=%CD%
SET /P WD="%WD%\"
FOR /R "%WD%" %%F IN (*.aac) DO (
  echo ================================================================
  echo %%~dpnF.m4a
  echo ----------------------------------------------------------------
  %~dp0%TOOL% -create="%%~dpnF.aac" "%%~dpnF.m4a"
  echo ----------------------------------------------------------------
  echo ================================================================
  echo .
)
PAUSE

extract-audio.cmd

@echo off
SETLOCAL EnableDelayedExpansion
SET TOOL=FLVExtractCL.exe
SET WD=%CD%
SET /P WD="%WD%\"
FOR /R "%WD%" %%F IN (*.flv) DO (
  echo ================================================================
  echo %%~dpnF.aac
  echo ----------------------------------------------------------------
  %~dp0%TOOL% -a "%%~dpnF.flv"
  echo ----------------------------------------------------------------
  echo ================================================================
  echo .
)
PAUSE