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    • 88. 发明授权
    • SENDER UND EMPFÄNGER FÜR EIN DRAHTLOSES AUDIO-ÜBERTRAGUNGSSYSTEM
    • 发送器和接收无线音频传输系统
    • EP1813026B1
    • 2012-06-13
    • EP05807495.6
    • 2005-10-27
    • Sennheiser electronic GmbH & Co. KG
    • MEYER, RolfPEISSIG, JürgenBUHE, Gerrit
    • H04B1/64H03G7/00H04B1/66H04B1/04
    • H04B1/04H04B1/66
    • A transmitter for a wireless audio transmission system has at least one analogue/digital conversion unit for the analogue/digital conversion of the analogue audio signals to be transmitted, at least one digital signal processing unit with compressing/encoding means for compressing and encoding the digitised signals to be transmitted, a digital/analogue conversion unit for the digital/analogue conversion of the digital output signals from the digital signal processing unit into analogue signals, and a transmission unit for wirelessly transmitting the output signals from the analogue/digital conversion unit. Also disclosed is a receiver for a wireless audio transmission system having a reception unit for receiving wirelessly transmitted analogue H.F. signals, an intermediate frequency unit for mixing the H.F. signals into intermediate frequency signals, at least one analogue/digital conversion unit for the analogue/digital conversion of the wirelessly received signals, at least one digital signal processing unit with expanding/decoding means for expanding and decoding the signals digitised by the at least one analogue/digital conversion unit, and at least one digital/analogue conversion unit for converting the digital output signals from the digital signal processing unit into analogue signals.