Digital Signal Processing Solutions Tools: Telecommunication Algorithms

Product Name: ITU-T G.165 Audio Line Echo Canceller-1
Company Name: DSP Software Engineering, Inc.
Features & Benefits:
  • Convergence time <500ms (speaker independent)
  • Greater than 27 dB attenuation of echoes
  • Adaptive double talker detection
  • Adapts on speech, eliminating white noise....
  • Configurable window length and update stride
  • LMS adaptation can be dynamically activated
  • Object based interface w/C-callable functions
  • Ideal for detecting far end speech or signalling tones over near end speech
TMS320 Devices Supported: C54x
Data Rate (kbps):
Program Memory (k word): 1.9
Data Memory (k word): 0.2
Processor Loading (MIPS): 7.4 MIPS (384 taps-48ms echo). All processor loading is Peak MIPS - Average MIPS may be less.
Target Platform: Platform independent
Hardware Requirements:
Word Size:
Clock Rate:
Group Delays:
Technical Support/Training Available: YES
Overview: ITU-T G.165 Audio Line Echo Canceller
Ideal Performance: Ideal for detecting far end speech or singaling tones over near end speech
Algorithm Verification: All DSPSE software shipped with TIGER DSP development board from DSP Research, including a file-to-file demonstration [and] test vectors.
Availability: NOW
Operating System Used: Can be used with a number of real-time operating systems such as SPOX (Spectron) and QSOS (DSPSE).
Tools Supported By:
Company Information: DSP Software Engineering, Inc.
175 Middlesex Turnpike
Bedford MA 1730 USA
Tel: (617) 275-3733
Fax: (617) 275-4323
e-mail: info@dspse.com
www: http://www.dspse.com
Providing DSP telecom software/systems integration services since 1989. Unique off-the-shelf component solutions such as vocoders, soft-modems and computer telephony algorithms.

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