How can I set the input volume of my sound card before starting my sound acquisition ? ( well how to use the appropriate dll )

[guill]

I have the Volume control application , but it works for reading.. and note to select record , to set input line volume !!
thanks

[Sissa]

Hello Guill,

If you are using LabVIEW, you can use SO_Volume.vi (not present in all LV versions).
If you are using CVI, the best way is to use Microsoft Windows SDK functions, look at multimedia functions on msdn.com

Hopes this help

Salissou ISSA
Applications Engineer
National Instruments France