Transcription of UNDERSTANDING, FINDING, & ELIMINATING GROUND …
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understanding , FINDING, & ELIMINATING GROUND LOOPSCEDIA Class EST016 InstructorBill WhitlockPresident & Chief EngineerJensen Transformers, , CABill Whitlock has designed pro audio-video electronics and systems since 1973. In 1989, after sevenyears with Capitol Records, he assumed presidency of Jensen Transformers. He has become arecognized expert on system interfacing issues through his writing and teaching. His landmark paperon balanced interfaces was published in the June 1995 AES Journal, which has since become themost popular ever printed. Other writing includes the popular "Clean Signals" column for S&VCmagazine, the ongoing Clear Path column for Live Sound magazine, three chapters for GlenBallou's 1500-page "Handbook for Sound Engineers," and numerous other magazine articles andJensen application notes.
systems in typical homes. [19] In video systems, a 50 dB signal-to-noise ratio is a generally accepted threshold beyond which no further improvement in images is perceivable, even by expert viewers. Of course, a predictable amount of “white” noise is inherent in all electronic devices and must be expected.
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