H04M9/00—Arrangements for interconnection not involving centralised switching
H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04M—TELEPHONIC COMMUNICATION
H04M9/00—Arrangements for interconnection not involving centralised switching
H04M9/001—Two-way communication systems between a limited number of parties
Landscapes
Engineering & Computer Science
(AREA)
Signal Processing
(AREA)
Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups
(AREA)
Procédé de fractionnement de la restitution sonore de signaux modulés dans des transducteurs montés en parallèle, et jeux de transducteurs correspondants