procedures for the application of a public address system for large rooms and a public address system

摘要

PCT No. PCT/FI96/00156 Sec. 371 Date Sep. 15, 1997 Sec. 102(e) Date Sep. 15, 1997 PCT Filed Mar. 15, 1996 PCT Pub. No. WO96/29779 PCT Pub. Date Sep. 26, 1996The invention relates to a method for implementing a sound reproduction system for a large space, and a sound reproduction system. In accordance with the invention, a) loudspeaker units (LU) are placed in different parts of said space, and the information to be transmitted by the loudspeaker unit to its environment is fed to said loudspeaker unit from an information source (CPU) common to several loudspeaker units, b) determinations specific to said loudspeaker unit are carried out in a separate loudspeaker unit (LU), and c) a message is sent from the loudspeaker unit (LU) to the common information source (CPU), said message (20) containing information obtained on the basis of said determination. For accomplishing a system that is able to transmit individual information effectively to the different parts of the system, a reply message is transmitted in response to said message from the common information source (CPU) to the loudspeaker unit that has carried out the transmission, said reply message containing such information intended to be transmitted by the loudspeaker unit in which the message depends on the information received by the common information source.