Digital Communication System for Loudspeakers
First Claim
1. A communication system for communicating between audio equipment, a first loudspeaker and a second loudspeaker, wherein the first loudspeaker and the second loudspeaker are connected to the audio equipment over a standard two-wire speaker wire, the communication system comprising:
- a master node in electrical communication with the audio equipment and the first loudspeaker using the standard two-wire speaker wire, wherein the master node includes a data encoder and a data transceiver, wherein the data encoder is operable to encode data signals, wherein the data transceiver is operable to place the data signals onto the standard two-wire speaker wire at frequencies above audio frequencies, and wherein the standard two-wire speaker wire is operable to simultaneously transmit both an analog audio signal and the data signals;
a first slave node in electrical communication with the master node and the first loudspeaker using the standard two-wire speaker wire, wherein the first slave node includes a data transceiver, a data decoder and an interface, wherein the data transceiver is operable to receive the data signals from the master node using the standard two-wire speaker wire, and wherein the interface communicates with electronics in the first loudspeaker; and
a second slave node in electrical communication with the master node and the second loudspeaker using the standard two-wire speaker wire, wherein the standard two-wire speaker wire comprises a single pair that connects the first slave node and the second slave node in series to the master node,wherein the master node, the first slave node and the second slave node are operable to mitigate contention of communications between the master node, the first slave node and the second slave node.
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Accused Products
Abstract
A communication system for communicating with at least one loudspeaker is described where the loudspeaker is connected to audio equipment over standard two-wire speaker wire operable to carry an audio signal. The communication system includes a master node in electrical communication with a signal path carrying the audio signal between the audio equipment and the loudspeaker, the master node also including an interface with the audio equipment, a data encoder operable to encode data signals, a data transceiver operable to place the data signals onto the audio signal at frequencies above audio frequencies. The communication system also includes at least one slave node in electrical communication with the audio signal and each loudspeaker, the slave node including a data transceiver operable to receive data signals from the master node, a data decoder, and an interface able to communicate with the loudspeaker.
28 Citations
20 Claims
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1. A communication system for communicating between audio equipment, a first loudspeaker and a second loudspeaker, wherein the first loudspeaker and the second loudspeaker are connected to the audio equipment over a standard two-wire speaker wire, the communication system comprising:
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a master node in electrical communication with the audio equipment and the first loudspeaker using the standard two-wire speaker wire, wherein the master node includes a data encoder and a data transceiver, wherein the data encoder is operable to encode data signals, wherein the data transceiver is operable to place the data signals onto the standard two-wire speaker wire at frequencies above audio frequencies, and wherein the standard two-wire speaker wire is operable to simultaneously transmit both an analog audio signal and the data signals; a first slave node in electrical communication with the master node and the first loudspeaker using the standard two-wire speaker wire, wherein the first slave node includes a data transceiver, a data decoder and an interface, wherein the data transceiver is operable to receive the data signals from the master node using the standard two-wire speaker wire, and wherein the interface communicates with electronics in the first loudspeaker; and a second slave node in electrical communication with the master node and the second loudspeaker using the standard two-wire speaker wire, wherein the standard two-wire speaker wire comprises a single pair that connects the first slave node and the second slave node in series to the master node, wherein the master node, the first slave node and the second slave node are operable to mitigate contention of communications between the master node, the first slave node and the second slave node. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of communicating between audio equipment, a first loudspeaker and a second loudspeaker over a standard two-wire speaker wire, wherein the standard two-wire speaker wire comprises a single pair that connects the first loudspeaker and the second loudspeaker in series to the audio equipment, the method comprising:
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modulating, by a master node, a master data signal on the standard two-wire speaker wire at a data signal frequency above audio frequencies, wherein the standard two-wire speaker wire is operable to simultaneously transmit both an analog audio signal and the master data signal; mitigating contention of communications on the standard two-wire speaker wire between the master node, a first slave node and a second slave node, wherein the first slave node is associated with the first loudspeaker, and wherein the second slave node is associated with the second loudspeaker; receiving, by the first slave node and the second slave node, the master data signal via the standard two-wire speaker wire; and passing information in the master data signal to electronics in one of the first loudspeaker and the second loudspeaker. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification