Digital Signal Processing Solutions Tools: Telecommunication Algorithms

Product Name: G.165 Line Echo Canceller
Company Name: RadiSys Corp., DSP Division
Features & Benefits:
  • 30 channels per DSP
  • Non-linear processor (NLP)
  • Double-talk detector
  • C callable code with multi-thread multi-taski
  • Programmable tail lengths, update rates, han
  • Compatible to TASK-6000 development framework
TMS320 Devices Supported: C6x
Data Rate (kbps): 8
Program Memory (k word): 6K
Data Memory (k word): .5K
Processor Loading (MIPS): 4 (32 ms delay)
Target Platform: SPIRIT-6000 (TMS320C6201)
Hardware Requirements: Beast demonstrated over SPIRIT-6000 cPCI board with E1/T1 interface and EVM.
Word Size:
Clock Rate:
Group Delays:
Technical Support/Training Available: YES
Overview: Line Echo Canceller for neutralizing echoes from mismatched telephone hybrids. This echo cancellation is ideal for systems involving coding delays such as video/audio conferencing bridges using voice coders, wireless base stations etc. The echo canceller is tested to comply with ITU G.165 standard.
Ideal Performance:
Algorithm Verification: Full ITU G.165 tests. Subjective listening, tests on SPIRIT-6000.
Availability: Q3 1997
Operating System Used: TASK-6000 framework. Ports to any other operating system.
Tools Supported By:
Company Information: RadiSys Corp., DSP Division
2 Wells Avenue
Newton MA 02159-3208 USA
Tel: 800 628 6502
Fax: 617 235 2531
e-mail: info@radisys.com
www: http://www.radisys.com
RadiSys designs and manufactures a wide range of standard and custom embedded and stand-alone products, including TI DSP-based data and signal processing solutions.

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