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                      VSI -- Visual Sound Instrument
                              Version: 1.0c
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Instruction
    Visual Sound Instrument is a PC instrument that use sound card to record and 
play audio signal. Its functions include power spectrum, amplitude spectrum and 
1/1 octave spectrum and 1/3 octave spectrum. It is a low-cost sound analyzer for 
non-professional testing. 

Installation 
a)System Requirement 
    16 MB RAM 
    16 bit Sound card 
    Windows95/98, 
b)Unzip VSI 
    Bulid a new path on you harddisk, such as c:\vsi, then unzip vsi.zip into it. 
You can see these files in it. 
     vsi.exe -- Visual Sound Instrument program 
     vsi.htm -- Help File and user's book of Visual Sound Instrument 
then installation is finished. 

Running VSI 
a) Start VSI, If you see a picture like screen shot that VSI is OK.
b) Check Record ability. Press record button and acquire a signal from MIC. 
   If waveform change when you speaking, that is OK. 
c) Check Play ability. Press play button to play a sound from speaker. If you can 
   hear a sound from speaker, that is also OK. 
If these steps are passed, You have installed VSI successfully.

Copyright:    Shareware
Distribution: Freely

Comments and Suggestions:     E-mail: heliso@public.wuhan.cngb.com
Technical Support:            E-mail: heliso@public.wuhan.cngb.com

Author: He Lingsong, Huazhong University, China
        heliso@public.wuhan.cngb.com

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+++ He Lingsong , 1999.2.3---
