Method and system for transmitting digital audio signals from recording studios to the various master stations of a broadcasting network
Patent 5333155 Issued on July 26, 1994. Estimated Expiration Date: 
October 31, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 31, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3812430 Synchronizing system for spread spectrum transmissions between small earth stations by satellite via an intermediate hop to a large earth station TDMA communications apparatus having adaptive burst duration Speech processor Installation for automatic assembly of socket-bracket Patent #: 5072495 InventorAssigneeApplicationNo. 785777 filed on 10/31/1991US Classes:375/240, BANDWIDTH REDUCTION OR EXPANSION704/206, Specialized information704/501With content reduction encodingExaminersPrimary: Chin, StephenAssistant: Webster, Bryan Attorney, Agent or FirmInternational ClassH04B 001/66Foreign Application Priority Data1991-04-25 DEAbstractFor the purpose of transmitting digital audio signals from recording studios to the various broadcasting stations of a broadcasting network, the data flow of the digital audio signals to be transmitted is initially reduced in accordance with a technique which utilizes the psychoacoustic phenomena of the human ear. Then groups of these data-reduced digital audio signals are respectively encoded in a baseband in accordance with a DS1-technique and combined to form respective DS1/M-signals. Finally, the thus produced DS1/M-signals are transmitted in accordance with the DSR technique by use of a wide-band transmission system to the individual broadcasting stations of the broadcasting network.Other References
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