>>685 >>619
こんな感じにすると楽だね。
@REM msg711.bat

copy msg711.acm　%SystemRoot%\system32
REG ADD "HKLM\Software\Microsoft\AudioCompressionManager\DriverCache\msacm.g711"
REG ADD "HKLM\Software\Microsoft\AudioCompressionManager\DriverCache\msacm.g711" /v "aFormatTagCache" /t REG_BINARY /d 0100000010000000420000001C000000
REG ADD "HKLM\Software\Microsoft\AudioCompressionManager\DriverCache\msacm.g711" /v "cFilterTags" /t REG_DWORD /d 0
REG ADD "HKLM\Software\Microsoft\AudioCompressionManager\DriverCache\msacm.g711" /v "cFormatTags" /t REG_DWORD /d 2
REG ADD "HKLM\Software\Microsoft\Windows NT\CurrentVersion\drivers.desc" /v "msg711.acm" /t REG_SZ /d "msg711.acm"
REG ADD "HKLM\Software\Microsoft\Windows NT\CurrentVersion\Drivers32" /v "msacm.msg711" /t REG_SZ /d "msg711.acm"
pause