| 摘要 |
A method and apparatus for determining and displaying signal quality measurement on a television display screen. The method and apparatus of this invention provides for the display of signal quality measurements, including measurements of signal to noise ratio, bit error rate and channel multi-path distortion in addition to the signal strength. Apparatus and method are described whereby these signal quality measurements may be ascertained and provided either through television overlay or through NTSC radio frequency modulation to particular television channels.
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