Invention Grant
US08223881B2 Transmitter and receiver for a wireless audio transmission system
有权
用于无线音频传输系统的发射机和接收机
- Patent Title: Transmitter and receiver for a wireless audio transmission system
- Patent Title (中): 用于无线音频传输系统的发射机和接收机
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Application No.: US11666595Application Date: 2005-10-27
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Publication No.: US08223881B2Publication Date: 2012-07-17
- Inventor: Rolf Meyer , Juergen Peissig , Gerrit Buhe
- Applicant: Rolf Meyer , Juergen Peissig , Gerrit Buhe
- Applicant Address: DE Wedemark
- Assignee: Sennheiser electronic GmbH & Co. KG
- Current Assignee: Sennheiser electronic GmbH & Co. KG
- Current Assignee Address: DE Wedemark
- Agency: Frommer Lawrence & Haug LLP
- Priority: DE102004052296 20041027
- International Application: PCT/EP2005/011495 WO 20051027
- International Announcement: WO2006/045605 WO 20060504
- Main IPC: H04L27/00
- IPC: H04L27/00 ; H04N7/00 ; H04B1/00

Abstract:
There is provided a transmitter for a wireless audio transmission system comprising at least one analog/digital converter unit for analog/digital conversion of the analog audio signals to be transmitted, at least one digital signal processing unit with a compressing/encoding device for compressing and encoding the digitized signal to be transmitted, a digital/analog converter unit for digital/analog conversion of the digital output signals of the digital signal processing unit into analog signals, and a transmitting unit for wirelessly transmitting the output signals of the digital/analog converter unit. There is further provided a receiver for a wireless audio transmission system comprising a receiving unit for receiving wirelessly transmitted analog HF signals, an intermediate frequency unit for mixing the HF signals onto intermediate frequency signals, at least one analog/digital converter unit for analog/digital conversion of the wirelessly received signals, at least one digital signal processing unit with an expanding/decoding device for expanding and decoding the signals digitised by the at least one analog/digital converter unit, and at least one digital/analog converter unit for converting the digital output signals of the digital signal processing unit into analog signals.
Public/Granted literature
- US20090046803A1 Transmitter and receiver for a wireless audio transmission system Public/Granted day:2009-02-19
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