NDLI: On the implementation of a transciever to demodulate 384 MP3 satellite channels and remodulate them as 384 FDM stereo FM channels for cable distribution

Content Provider	IEEE Xplore Digital Library
Author	Harris, F. Vuletic, D. Lowdermilk, W.
Copyright Year	2007
Description	Author affiliation: San Diego State Univ., San Diego, CA (Harris, F.)
Abstract	We describe the implementation of a unique digital transceiver system. This system decodes up to 384 MP3 stereo audio signals received from a satellite downlink. It digitally remodulates the multiple sampled data signal sets as analog FDM signal composed of dbx [1] (noise reduction system) encoded FM stereo signals. The MP3 decoding is performed by 48 Analog Devices Blackfin Processors. The dbx encoding, system specific stereo FM modulation and re-sampling channelizer is performed in a single Xilinx Virtex-4 XC4VSX55 FPGA. The FPGA outputs a single sampled data stream of channelized FDM signal spanning approximately the 20-to-80 MHz frequency band. The emphasis of this paper is the tasks performed in the FPGA based modulator.
Starting Page	1
Ending Page	4
File Size	492248
Page Count	4
File Format	PDF
ISBN	9781424407781
DOI	10.1109/ISSPA.2007.4555396
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-02-12
Publisher Place	United Arab Emirates
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Digital audio players Satellites Power cables Digital modulation Decoding Frequency modulation Streaming media Digital signal processing Cable TV Transceivers
Content Type	Text
Resource Type	Article

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