Introduction

in Windows Vista, the Audio lines maybe treated as Devices, and each device may only has

it may like the following picture after click the device button, Just select one of the Device by click the white bar.

Click the audio configuration button . Open the audio line configuration window:

Audio Lines
	Each socket represents an input audio line for current audio capture device. To select an audio line as an input source, click on the socket you want to select, then the audio line will be activated. if a line name is in color purple , means this line is the active line. If a line has a plug on it, means this line is select for 3D MP3 recorder, every time when you start recording, this line will be activated. The volume control is to control the input volume for selected line. It only affect the input level for the select line. The balance control is to control the input signal of selected line. Put to the middle position, will allow signals come form both left and right channels. if put to the end of left, only signal from left channel will be recorded.
"Device" Button
	Use this button to Select a audio capture device if you have more than one in your PC.
"Auto Detect" button
	the "Auto Detect" button is used to find audio line for streaming recording. Click the "Auto Detect" button and the program will test each line, and show the result on the information screen.
"Sys Control" button
	"Sys Control" button is used to open the audio capture control window of the operating system. like the following picture:
Microphone switch
	This button is used to switch audio line to microphone , When you press down and hold the left button of the mouse on this button, the active line will be switched the line of microphone, If you release the mouse button, the active line will be switched to the preset one. This is very useful is you want to record voice chat or VoIP.

4.3 Audio line configuration