adaptive_echo_cancellation

adaptive_echo_cancellation - Project Manual for Adaptive...

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Project Manual for Adaptive Echo Cancellation Last updated March 22, 2004 Benny Sällberg, bsa@bth.se Henrik Åkesson, hsy@bth.se Jörgen Nordberg, jno@bth.se
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Contents 1 Introduction 2 2 The Project 3 2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.2 Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.3 Project Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.4 Tip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 Mandatory Tasks 6 3.1 Time Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3.2 Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3.3 The DSP-Project room . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3.4 Project Approval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 Report 8 4.1 Disposition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4.2 Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4.3 Equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4.4 Bibliography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4.5 Word Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5 Assistance 12 5.1 UDL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5.2 DSP TMS320C31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5.3 Spectrum Analyzer Data Format . . . . . . . . . . . . . . . . . . . . . . . 12 5.4 Hardware Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5.5 Supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1
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Chapter 1 Introduction This Manual is for the Adaptive Echo Cancellation project, in the course Adaptive Signal Processing at Blekinge Institute of Technology. The Manual states important and mandatory parts of the project, how they should be carried out, documented, and presented for passing the project examination. This Manual will also act as a guideline of how to write the project report. 2
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Chapter 2 The Project 2.1 Introduction An Adaptive Echo Canceller (AEC) aims in cancelling or reducing crosstalk interference in a system, by employing adaptive filters. Examples of AEC-applications • Hands-free telephony system echo reduction • Telephone network 4-2-wire hybrid echo reduction • Reduction of echoes in speaker amplification systems, for an example in auditoriums 2.2 Equipment The following list of equipment is for implementing an acoustic echo cancellation system, the setup is illustrated in Fig. 2.1. 1. A Digital Signal Processor TMS320C31/32, from Texas Instrument.
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This note was uploaded on 11/14/2011 for the course DDDD h0322 taught by Professor Whoknow during the Spring '11 term at Bina Nusantara University.

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adaptive_echo_cancellation - Project Manual for Adaptive...

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