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中国DOS联盟论坛 » DOS批处理 & 脚本技术（批处理室） » Please use batch processing or other simple methods to cancel the system volume mute View 2,187　Replies 7
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Original Poster Posted 2009-11-29 13:05　·　 中国 江苏 徐州 电信
zeroten
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Please clarify your request. Are you asking for a translation of the Chinese text you provided? If so, here is the translation:

Seek to use batch processing or other simple methods to cancel the volume mute, QQ Player mute, make them not mute, and also adjust the volume? What are the parameters of sndvol32.exe?
Floor 2 Posted 2009-11-29 13:28　·　 中国 重庆 电信
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rem Set to mute

nircmd.exe mutesysvolume 1

rem Unmute

nircmd.exe mutesysvolume 0
Floor 3 Posted 2009-11-29 19:09　·　 中国 广东 广州 电信
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```
Set WshShell = Wscript.CreateObject("Wscript.Shell")
WshShell.Sendkeys "…" 'First mute, cancel it again
```



[ Last edited by newxso on 2009-12-4 at 20:02 ]
Floor 4 Posted 2009-12-04 19:31　·　 中国 江苏 徐州 电信
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Thanks to the two upstairs for helping. By the way, I want to ask, can it be achieved only with bat without using third-party tools and vbs?
Floor 5 Posted 2009-12-04 19:34　·　 中国 江苏 徐州 电信
zeroten
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```
Originally posted by newxso at 2009-11-29 07:09 PM:
Set WshShell = Wscript.CreateObject("Wscript.Shell")
WshShell.Sendkeys "…" 'First mute, cancel it the second time


What does this not understand? Where does the code end?
```
Floor 6 Posted 2009-12-04 20:37　·　 中国 江苏 徐州 电信
zeroten
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Originally posted by newxso at 2009-11-29 07:09 PM:


Set WshShell = Wscript.CreateObject("Wscript.Shell")

WshShell.Sendkeys "…"  'First mute, cancel again



How to cancel the mute no matter what, to prevent the situation where it was not muted originally but becomes muted after execution
Floor 7 Posted 2009-12-05 18:33　·　 中国 陕西 西安 电信
slore
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[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4D36E96C-E325-11CE-BFC1-08002BE10318}\0005\Settings]
"MasterVolume"=hex:00,00
"MasterVolume"=hex:00,80
"HeadphoneVolume"=hex:04,04
"HeadphoneVolume"=hex:04,84
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\DeviceClasses\{6994AD04-93EF-11D0-A3CC-00A0C9223196}\##?#PCI#VEN_8086&DEV_27DE&SUBSYS_0C82105B&REV_01#3&2411E6FE&0&F2#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\#Wave\Device Parameters\Mixer\ 0\Controls\ 1]
"Channel 0"=dword:00000000
"Channel 0"=dword:00000001
"Channel 1"=dword:00000000
"Channel 1"=dword:00000001
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E96C-E325-11CE-BFC1-08002BE10318}\0005\Settings]
"MasterVolume"=hex:00,00
"MasterVolume"=hex:00,80
"HeadphoneVolume"=hex:04,04
"HeadphoneVolume"=hex:04,84
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\DeviceClasses\{6994AD04-93EF-11D0-A3CC-00A0C9223196}\##?#PCI#VEN_8086&DEV_27DE&SUBSYS_0C82105B&REV_01#3&2411E6FE&0&F2#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\#Wave\Device Parameters\Mixer\ 0\Controls\ 1]
"Channel 0"=dword:00000000
"Channel 0"=dword:00000001
"Channel 1"=dword:00000000
"Channel 1"=dword:00000001


Muting or not muting will change here. Some keys (such as those under DEVICE) are related to audio devices and may be different.

Focus on
[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4D36E96C-E325-11CE-BFC1-08002BE10318}\0005\Settings]
above.


MasterVolume is 2 bytes
If they are the same, it means no mute. If the latter minus the former = 80 (hexadecimal), it means muted. Specifically, if it is 1f, 9f (the difference is also H80), it means the master volume is adjusted to the lowest. It is unknown whether it is muted or not when it is 1f, 9f.

If the master volume is at the lowest and mute is canceled, there should be nothing wrong.

If you must do it completely, you need to look at those items related to audio devices. This... To get the hardware ID, etc., the processing is cumbersome. It is better to use a small third-party tool
S smile 微笑,L love 爱,O optimism 乐观,R relax 放松,E enthusiasm 热情...Slore
Floor 8 Posted 2009-12-07 16:55　·　 中国 四川 绵阳 电信
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Just use the remote control or keyboard shortcuts.
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