Separation of L+R from L-R in BTSC system
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United States of America Patent
Stats
-
Jul 12, 1988
Grant Date -
N/A
app pub date -
Jul 7, 1986
filing date -
Jul 7, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A stereo signal separation system for separating the L+R and L-R components of a BTSC stereo signal mixes the BTSC signal with a multiple of the pilot frequency. To recover the L+R component the mixer output is combined with the input BTSC signal, and to recover to L-R component the mixer output is combined with a second mixer output shifted ninety degrees. The combined output is low pass filtered to recover the desired component.
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