Method and apparatus for recursive audio storage in a communication system
First Claim
1. A method of recursively storing audio in a communication system, comprising the steps of:
- recursively storing audio in at least one among a transmitting subscriber unit, a receiving subscriber unit, and a communication switch in remote communication with the transmitting subscriber unit; and
selectively retrieving audio previously transmitted by the transmitting subscriber unit.
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Accused Products
Abstract
A communication system (50) can include a first portable communication unit (72) operating in a dispatch mode with at least a second portable communication unit (78) and an infrastructure system (50A and 50B) providing a communication link between the first and second portable communication units. The infrastructure system can include a memory (61,63) for recursively storing a most recent audio stream from at least one among the first or second portable communication unit. The infrastructure system can further include a dispatch application processor (62). The communication system can further include a means for retrieving a most recent dispatch signal stored at the infrastructure system upon determining a received signal quality level below a predetermined threshold at the second portable communication unit or upon a user request of at least one the portable communication units.
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Citations
19 Claims
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1. A method of recursively storing audio in a communication system, comprising the steps of:
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recursively storing audio in at least one among a transmitting subscriber unit, a receiving subscriber unit, and a communication switch in remote communication with the transmitting subscriber unit; and
selectively retrieving audio previously transmitted by the transmitting subscriber unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A communication system, comprising:
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a first portable communication unit operating in a dispatch mode with at least a second portable communication unit; and
an infrastructure system providing a communication link between the first portable communication unit and at least the second portable communication unit, wherein the infrastructure system comprises a memory for recursively storing a most recent audio stream from at least one among the first portable communication unit and at least the second portable communication unit. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A portable communication device, comprising:
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a transceiver operating as a dispatch radio; and
a processor coupled to the transceiver, wherein the processor is programmed to;
request a retransmission of a recently transmitted audio stream from a memory in an infrastructure system serving the portable communication device; and
receive the retransmission of the recently transmitted audio stream. - View Dependent Claims (18, 19)
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Specification