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1/6/2010
The Audio Loop-back test plays a specified audio file, captures the audio output using a loop-back cable, and saves the captured audio signal to an output file.
Syntax
tux -d loopbacktest.dll -c "{-i PlaybackFilename} {-o CaptureFilename} [-v Volume] [-d deviceID] [-?]"
Command-line parameters
| Parameter | Description |
|---|---|
loopbacktest.exe |
Required. Binary used to run this test. |
-c "parameters" |
Required. Indicates the command-line parameters for the audio loop-back test. |
-i PlaybackFilename |
Required. Indicates the path for, and the name of, the file to be played while running this test. |
-o CaptureFilename |
Required. Name of output file. |
-v Volume |
Optional. Specifies the volume setting. The low-order word contains the left-channel volume setting, and the high-order word contains the right-channel setting. A value of 0xFFFF indicates full volume, and a value of 0x0000 indicates silence. .gif "Ee505767.note(en-US,WinEmbedded.60).gif") Note:
If a device does not support both left and right volume controls, the low-order word specifies the volume level, and the high-order word is ignored.
|
-d deviceID |
Optional. Identifies the device being tested. The DeviceID is a DWORD. The default value is 0xC000C000 from the source code. |
-? |
Optional. Launches Help for the command-line parameters for drifttest.exe. |