NDLI: The design of underwater speech communication codec system based on AMBE-3000

Content Provider	IEEE Xplore Digital Library
Author	Jian Luo Hongwei Zhou Yi Li Minglei Lu
Copyright Year	2011
Description	Author affiliation: The Department of Electronic and Information Engineering, HuaZhong University of Science and Technology, WuHan, P.R. China (Minglei Lu) \|\| School of Marine Engineering, Northwestern Polytechnical University, Xi'an, P.R. China (Jian Luo; Hongwei Zhou; Yi Li)
Abstract	As the complex characteristics of underwater acoustic communication channel, the underwater acoustic communication data rate is limited. In order to realize the underwater voice communication, the required speech data compression rate should be much higher. So we select TLV320AIC12 and AMBE-3000 to realize the design of voice codec module. The TLV320AIC12 is a high-performance A/D & D/A chip with programmable input and output gain control, and AMBE-3000 is the latest vocoder which is based on the AMBE voice compression algorithm. Using this designed module, the call voice is clear and legible at the rate of 2.0∼2.4kbps which is a very low compression bit rate. The system features flexible speech coding rate, high cost-effective, low power consumption and many other advantages, which will build a good hardware platform for the long-distance underwater speech communication.
Starting Page	2471
Ending Page	2475
File Size	233072
Page Count	5
File Format	PDF
ISBN	9781612847191
e-ISBN	9781612847221
DOI	10.1109/MEC.2011.6025993
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Codecs VoiceCommunicatwn Codec Vocoders Underwater Speech Hardware Encoding Underwater acoustics AMBE-3000
Content Type	Text
Resource Type	Article

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