G - Physics – 10 – L
Patent
G - Physics
10
L
G10L 19/00 (2006.01) A63H 3/28 (2006.01)
Patent
CA 2616484
Devices and methods for broadcasting sound and for transmitting a first sound signal (4) and a second sound signal (5) comprising: - a producer (1) comprising - a means (10) for coding the second sound signal (5), - a means (11) for agglomerating the first sound signal (4) and the second code sound signal (5e) into a composite sound signal (6) that can be broadcast by a broadcasting means (8) in such a way that the second sound signal (4) is inaudible to a human ear, - a transmitter (2) comprising: - a first broadcasting means (8), - a receiver (3) comprising: - a means (16) for receiving the composite signal (6), - a means (17) for extracting the second code sound signal (5e) from the composite signal (6), - a decoding means (18), - a second broadcasting means (9). Application to a ~speaking~ toy that reproduces a sound signal transmitted in an inaudible manner by an audiovisual means.
Dispositifs et procédés de diffusion sonore et de transmission d'un premier signal sonore (4) et d'un second signal sonore (5) comprenant; - un producteur (1) comprenant - un moyen de codage (10) du second signal sonore (5), - un moyen d'agglomération (11) du premier signal sonore (4) et du second signal sonore code (5e) en un signal sonore composite (6) diffusable par un moyen de diffusion (8) de telle manière que le second signal sonore (4) soit inaudible a une oreille humaine, - un transmetteur (2) comprenant : - un premier moyen de diffusion (8), - un récepteur (3) comprenant : - un moyen de réception (16) du signal composite (6), - un moyen d'extraction (17) du second signal sonore code (5e) hors du signal composite (6), - un moyen de décodage (18), - un second moyen de diffusion (9) . Application a un jouet << parlant >> reproduisant un signal sonore transmis de façon inaudible par un moyen audiovisuel.
Agence de Brevets Fournier
Djv Cryptex
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