usb interface data acquisition procedure was the source code, using a capture card usb interface directly collected voice signal has waveform display. A voice that they can draw on Acquisition

UsbTest
.......\UsbTest
.......\.......\cbw.h
.......\.......\cbw32.lib
.......\.......\Debug
.......\.......\MYFILE.TXT
.......\.......\ReadMe.txt
.......\.......\res

.......\.......\...\UsbTest.rc2
.......\.......\Resource.h
.......\.......\StdAfx.cpp
.......\.......\StdAfx.h
.......\.......\textfile.cpp
.......\.......\textfile.h
.......\.......\UsbTest.aps
.......\.......\UsbTest.clw
.......\.......\UsbTest.cpp
.......\.......\UsbTest.dsp
.......\.......\UsbTest.dsw
.......\.......\UsbTest.h
.......\.......\UsbTest.ncb
.......\.......\UsbTest.opt
.......\.......\UsbTest.plg
.......\.......\UsbTest.rc
.......\.......\UsbTestDlg.cpp
.......\.......\UsbTestDlg.h
.......\.......\UsbTestDoc.cpp
.......\.......\UsbTestDoc.h

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