Digital Signal Processing Solutions Tools: Telecommunication Algorithms

Product Name: Speakerphone
Company Name: D2 Technologies, Inc.
Features & Benefits:
  • Network echo canceller eliminates network echo and sidetone
  • Acoustic echo canceller adapts to high echo environments
  • Patented VAD AGC algorithm assures high quality double-talk detection and control
  • Continuous Automatic howling control
TMS320 Devices Supported: C2xx C5x
Data Rate (kbps): 8
Program Memory (k word): 3
Data Memory (k word): 1.5
Processor Loading (MIPS): 13.5
Target Platform:
Hardware Requirements: None.
Word Size:
Clock Rate:
Group Delays:
Technical Support/Training Available: YES
90 day warranty period plus optional design consultation, algorithm development, system integration and training services available.
Overview: D2's Speakerphone algorithm provides a high quality full duplex hands-free link between calling parties, in various acoustic and network environments. The software can easily be customized for different phone sets and applications.
Ideal Performance: Integrated with other VP Open modules and tested for concurrent real-time processing on multiple voice ports.
Algorithm Verification: Acoustic echo control tests for convergence, double-talk distortion, frequency shift, break-in timing and recover time. Passes D2's near-end and far-end test specs, D2's tests for gain control, idle, and howling, D2's environmental tests, VP Open interface validation.
Availability: C2xx, C5x - Available, C54x, C6x - Consult D2
Operating System Used: VP Open specifications.
Tools Supported By: TI, White Mountain, DSP Research, Go DSP, National Instruments.
Company Information: D2 Technologies, Inc.
104 West Anapamu Street
Santa Barbara CA 93101 USA
Tel: 805-564-3424
Fax: 805-966-2144
e-mail: sales@d2tech.com
www: http://www.d2tech.com
Voice processing solutions provider for computer telephony. Over 20 years of industry experience in algorithms, DSP implementation, real-time systems, and telephony system integration.

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