H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 5/04 (2006.01) H04N 7/04 (2006.01)
Patent
CA 2042656
A system for the measurement of delay between a video signal and an audio signal includes a tone-burst generator (9) which marks an audio signal (3). The mark is then used as a reference which is detected at both signals' destination (15) and the timing delay between the signals is displayed (19) and may be corrected (17,18).
Emmett John Robert
Ridout & Maybee Llp
Thames Television Plc
LandOfFree
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