ca

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A tiny little Windows Batch script used for converting media files into MPEG4 Audio files. It requires the following software to be properly put into %PATH% (here in my case is C:\_c\, and the last two are actually qaac’s 『dependencies』):

By default, the script will take any given media file with at least one audiotrack and convert the first audiotrack (or the only audiotrack) of it into an MPEG4 Audio file with .m4a being used as the container; if the input audiotrack has more than two channels (for instance, it’s a 『5.1 surround sound』 track), it will be automatically downmixed into a two-channel stereo by using ffmpeg’s -ac 2.

The script accepts optional switches to alter its functions as follows:

  • -t n: directs the script to use the n th audiotrack of the given file;
  • -ss x and -to y: function identical to ffmpeg’s -ss and -to switches, which define the beginning and the ending timestamps of a clip that was cut from the given file;
  • -f: adds both a fade-in and a fade-out of 0.06 s to the clip cut from the given file—this serves as a way to avoid the clickings at the beginning or the end of the clip, and is not intended to apply a real fade-in or fade-out effect to the clip, which is controlled by the switch below;
  • -ff x y: adds a fade-in and / or a fade-out of customised lengths to the clip cut where x stands for the length in seconds of the fade-in effect, and the y likewise is for the fade-out;
  • -q: directs the script to use a customised audio filter in the 『downmixing into stereo』 process to achieve quieter background sounds with human voices boosted;
  • -m: downmixes the output file to a one-channel mono;
  • -v: directs qaac to use -V 127 instead of -v 0 to achieve a more frugal filesize;
  • -c: copies or tries to copy metadata from the input file into the output one; if -cc is added to -c, then the script will also try to copy the metadata for chapters from the original into the output—a practice that is strongly dissuaded and is bound to go wrong unless the conversion was made for the whole track without clipping it; and
  • -n: removes all the processing-denoting suffixes from the final output file.

A rather lengthy REG file is attached below to inject some of the commonly used commands into shell.

The batch

ca.bat
@echo off
chcp 65001 >nul
setlocal enabledelayedexpansion
set "a="
set "b="
set "c="
set "cc= -map_chapters -1"
set "f="
set "i="
set "k=0"
set "m="
set "n="
set "s="
set "t="
set "v="
set "f1="
set "f2="
set "kv="
set "sv="
set "tv="
set "cs="
set "fs="
set "ks="
set "ms="
set "qs="
set "ss="
set "ts="
set "vs="
set "int="
set "r32="
set "str=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_"
for /l %%i in (1,1,32) do (
	set /a int=!random!%%63
	for %%j in (!int!) do set "r32=!r32!!str:~%%j,1!"
)
:a
if /i "%~1"=="" goto p
set "a=%~1"
if /i "!a:~0,1!"=="-" (
	if /i "!a!"=="-t" (set "kv=%~2" & set /a "k=!kv!-1" & set "ks=-t!kv!" & shift)
	if /i "!a!"=="-q" (set "q=1" & set "qs=-qm")
	if /i "!a!"=="-ss" (set "sv=%~2" & set "s= -ss !sv!" & set "ss=-s!sv::=։!" & shift)
	if /i "!a!"=="-to" (set "tv=%~2" & set "t= -to !tv!" & set "ts=-t!tv::=։!" & shift)
	if /i "!a!"=="-f" (set "f= fade 0.06 0 0.06" & set "fs=-fd")
	if /i "!a!"=="-ff" (set "f1=%~2" & set "f2=%~3" & set "f= fade !f1! 0 !f2!" & set "fs=-f!f1!,!f2!" & shift & shift)
	if /i "!a!"=="-m" (set "m= channels 1" & set "ms=-mono")
	if /i "!a!"=="-c" (set "c=1" & set "cs=-cm")
	if /i "!a!"=="-cc" (set "cc= -map_chapters 0")
	if /i "!a!"=="-v" (set "v=1" & set "vs=-lq")
	if /i "!a!"=="-n" (set "n=1")
) else (
	if not defined i set "i=%~1" & set "b=%~n1"
)
shift
goto a
:p
if not defined i goto e
if not exist !i! goto e
ffprobe -v error -select_streams a:!k! -show_entries stream=channels -of default=noprint_wrappers=1:nokey=1 "!i!">%r32%.txt
for /f "delims=" %%c in (%r32%.txt) do set "l=%%c"
del /q %r32%.txt
if /i not "!l!"=="1" if /i not "!l!"=="2" (
	if /i not "!q!"=="1" (
		ffmpeg -i "!i!" -map a:!k!!s!!t! -ac 2 -c:a flac -map_metadata -1 -map_chapters -1 -metadata:s handler_name= -metadata:s vendor_id= "!i!_intermediateagzk3kXe8nDr.flac" -y
	) else (
		ffmpeg -i "!i!" -map a:!k!!s!!t! -af "pan=stereo|c0=c2+0.30*c0+0.30*c4|c1=c2+0.30*c1+0.30*c5" -c:a flac -map_metadata -1 -map_chapters -1 -metadata:s handler_name= -metadata:s vendor_id= "!i!_intermediateagzk3kXe8nDr.flac" -y
	)
) else (
	ffmpeg -i "!i!" -map a:!k!!s!!t! -c:a flac -map_metadata -1 -map_chapters -1 -metadata:s handler_name= -metadata:s vendor_id= "!i!_intermediateagzk3kXe8nDr.flac" -y
)
if /i not "!f!!m!"=="" (
	sox --norm=-0.1 "!i!_intermediateagzk3kXe8nDr.flac" "!i!_intermediateagzk3kXe8nDr_t.flac"!f!!m!
	move /y "!i!_intermediateagzk3kXe8nDr_t.flac" "!i!_intermediateagzk3kXe8nDr.flac"
)
if /i "!v!"=="1" (
	qaac -N -V 127 "!i!_intermediateagzk3kXe8nDr.flac" -o "!i!_intermediateagzk3kXe8nDr.m4a"
) else (
	qaac -N -v 0 "!i!_intermediateagzk3kXe8nDr.flac" -o "!i!_intermediateagzk3kXe8nDr.m4a"
)
if /i "!c!"=="1" (
	ffmpeg -i "!i!" -i "!i!_intermediateagzk3kXe8nDr.m4a" -map 1:a -map_metadata 0!cc! -c:a copy "!i!_intermediateagzk3kXe8nDr_t.m4a" -y
	move /y "!i!_intermediateagzk3kXe8nDr_t.m4a" "!i!_intermediateagzk3kXe8nDr.m4a"
)
if /i "!n!"=="1" (
	move /y "!i!_intermediateagzk3kXe8nDr.m4a" "!b!.m4a"
) else (
	move /y "!i!_intermediateagzk3kXe8nDr.m4a" "!b!!ks!!ss!!ts!!fs!!ms!!cs!!vs!.m4a"
)
del /q "!i!_intermediateagzk3kXe8nDr.*"
:e
endlocal

The REG file

Add_Convert_to_M4A_to_Context_Menu.reg
Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\SystemFileAssociations\.3gp\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.3gp\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.3gp\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.3gp\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.3gp\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.3gp\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.3gp\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.3gp\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.alac\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.alac\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.alac\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.alac\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.alac\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.alac\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.alac\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.alac\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ape\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ape\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ape\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ape\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ape\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ape\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ape\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ape\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.avi\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.avi\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.avi\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.avi\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.avi\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.avi\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.avi\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.avi\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flac\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flac\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flac\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flac\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flac\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flac\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flac\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flac\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.f4v\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.f4v\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.f4v\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.f4v\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.f4v\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.f4v\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.f4v\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.f4v\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flv\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flv\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flv\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flv\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flv\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flv\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flv\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.flv\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mov\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mov\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mov\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mov\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mov\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mov\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mov\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mov\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mp4\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mp4\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mp4\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mp4\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mp4\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mp4\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mp4\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mp4\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpeg\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpeg\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpeg\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpeg\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpeg\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpeg\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpeg\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpeg\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpg\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpg\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpg\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpg\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpg\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpg\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpg\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpg\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpv\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpv\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpv\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpv\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpv\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpv\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpv\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mpv\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.oga\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.oga\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.oga\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.oga\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.oga\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.oga\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.oga\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.oga\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogg\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogg\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogg\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogg\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogg\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogg\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogg\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogg\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogv\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogv\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogv\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogv\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogv\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogv\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogv\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ogv\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.opus\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.opus\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.opus\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.opus\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.opus\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.opus\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.opus\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.opus\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rm\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rm\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rm\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rm\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rm\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rm\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rm\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rm\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rmvb\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rmvb\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rmvb\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rmvb\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rmvb\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rmvb\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rmvb\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.rmvb\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.vob\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.vob\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.vob\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.vob\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.vob\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.vob\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.vob\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.vob\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wav\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wav\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wav\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wav\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wav\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wav\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wav\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wav\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.webm\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.webm\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.webm\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.webm\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.webm\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.webm\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.webm\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.webm\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wma\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wma\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wma\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wma\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wma\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wma\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wma\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wma\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wmv\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wmv\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wmv\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wmv\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wmv\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wmv\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wmv\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wmv\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wv\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wv\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wv\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wv\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wv\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wv\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wv\Shell\ca\shell\3mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.wv\Shell\ca\shell\3mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ac3\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ac3\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ac3\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ac3\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ac3\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ac3\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ac3\Shell\ca\shell\3q]
@="‘quiet mode’ v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ac3\Shell\ca\shell\3q\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -q -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ac3\Shell\ca\shell\4qv]
@="‘quiet mode’ V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ac3\Shell\ca\shell\4qv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -q -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ac3\Shell\ca\shell\5mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ac3\Shell\ca\shell\5mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.eac3\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.eac3\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.eac3\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.eac3\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.eac3\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.eac3\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.eac3\Shell\ca\shell\3q]
@="‘quiet mode’ v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.eac3\Shell\ca\shell\3q\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -q -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.eac3\Shell\ca\shell\4qv]
@="‘quiet mode’ V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.eac3\Shell\ca\shell\4qv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -q -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.eac3\Shell\ca\shell\5mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.eac3\Shell\ca\shell\5mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.adts\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.adts\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.adts\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.adts\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.adts\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.adts\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.adts\Shell\ca\shell\3q]
@="‘quiet mode’ v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.adts\Shell\ca\shell\3q\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -q -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.adts\Shell\ca\shell\4qv]
@="‘quiet mode’ V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.adts\Shell\ca\shell\4qv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -q -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.adts\Shell\ca\shell\5mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.adts\Shell\ca\shell\5mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.dts\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.dts\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.dts\Shell\ca\shell\1d]
@="v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.dts\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.dts\Shell\ca\shell\2v]
@="V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.dts\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.dts\Shell\ca\shell\3q]
@="‘quiet mode’ v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.dts\Shell\ca\shell\3q\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -q -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.dts\Shell\ca\shell\4qv]
@="‘quiet mode’ V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.dts\Shell\ca\shell\4qv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -q -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.dts\Shell\ca\shell\5mv]
@="mono V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.dts\Shell\ca\shell\5mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\1d]
@="1st track v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\2v]
@="1st track V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\3q]
@="1st track ‘quiet mode’ v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\3q\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -q -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\4qv]
@="1st track ‘quiet mode’ V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\4qv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -q -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\5mv]
@="1st track mono V 127"
"CommandFlags"=dword:00000040

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\5mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\62ndd]
@="2nd track v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\62ndd\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c -t 2"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\72ndv]
@="2nd track V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\72ndv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c -t 2 -v"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\82ndq]
@="2nd track ‘quiet mode’ v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\82ndq\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c -t 2 -q"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\92ndqv]
@="2nd track ‘quiet mode’ V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.mkv\Shell\ca\shell\92ndqv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c -t 2 -q -v"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca]
"MUIVerb"="Convert to M4A"
"SubCommands"=""

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell]

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\1d]
@="1st track v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\1d\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\2v]
@="1st track V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\2v\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\3q]
@="1st track ‘quiet mode’ v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\3q\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -q -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\4qv]
@="1st track ‘quiet mode’ V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\4qv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -q -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\5mv]
@="1st track mono V 127"
"CommandFlags"=dword:00000040

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\5mv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -m -v -c"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\62ndd]
@="2nd track v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\62ndd\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c -t 2"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\72ndv]
@="2nd track V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\72ndv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c -t 2 -v"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\82ndq]
@="2nd track ‘quiet mode’ v 0"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\82ndq\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c -t 2 -q"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\92ndqv]
@="2nd track ‘quiet mode’ V 127"

[HKEY_CLASSES_ROOT\SystemFileAssociations\.ts\Shell\ca\shell\92ndqv\command]
@="\"C:\\_c\\ca.bat\" \"%1\" -c -t 2 -q -v"
取自 "https://wiki.tsetien.com/index.php?title=Ca&oldid=2681"