Recommendation concerning the adoption of echo cancellation signals defined in ITU-R Rec. BT.1124 (also ETSI ETS 300732) for the improvement of the reception of PAL and SECAM signals
EBU R 087
Recommendation concerning the adoption of echo cancellation signals defined in ITU-R Rec. BT.1124 (also ETSI ETS 300732) for the improvement of the reception of PAL and SECAM signals