'Voice activity detection' diaporamas de présentation

An Introduction to Voice over IP

An Introduction to Voice over IP. Lance Parr Lead Systems Administrator VoIP Laboratory Manager Texas A&M University College Station, Texas. What is VoIP?.

1.18k views • 66 slides

Introduction to Telecommunications

447 views • 44 slides

Introduction to Telecommunications

965 views • 44 slides

CDMA

CDMA. Session 8 Nilesh Jha. IS95 CDMA. 1.25 MHz. up to 64 channels (is the number of orthogonal codes) code: 1.2288 Mchips/sec. Voice coder: 9.6 kb/s (really 8.55 kbps plus overhead) Cell power controlled at base stations to minimize interference (and near far problem).

650 views • 37 slides

Noise Reduction

Noise Reduction. Two Stage Mel-Warped Weiner Filter Approach. Intellectual Property. Advanced front-end feature extraction algorithm ETSI ES 202 050 V1.1.3 (2003-11) European Telecommunications Standards Institute

495 views • 32 slides

HIWIRE MEETING Granada, June 9-10, 2005

427 views • 32 slides

Wireless Data Communication Networks Lecture 20: Introduction to GSM

550 views • 23 slides

Doc v5.0

Doc v5.0. 2012-06-29. ES) Product Planning Team . iPECS Communicator . Market Trend s. Increasing mobility in smart work environment. Increasing Mobile Office. A Mobile Society. Evolving to Smart Work. Work anytime, anywhere, & from any device

325 views • 16 slides

Evaluation of VoIP application

Evaluation of VoIP application. Summary of previous 802.20 contributions on VoIP models Review candidate vocoder characteristics Variable rate: EVRC Fixed rate: ITU-T G.729 B Markov models IP stack model Network effects model QoS metrics and performance Conclusion

278 views • 16 slides

Performance Evaluation of the IEEE 802.16 MAC for QoS Support

Performance Evaluation of the IEEE 802.16 MAC for QoS Support. Aemen Hassaan Lodhi 05060021. Outline . IEEE 802.16 (WiMAX) MAC layer Project Objective Simulation Environment Performance Metrics Work accomplished Future strategy. IEEE 802.16 (WiMAX).

387 views • 15 slides

Speech Enhancement Using Spectral Subtraction

Speech Enhancement Using Spectral Subtraction. Presentation by Sevakula Rahul Kumar (5464) under the guidance of Dr. Kishore Kumar. GOALS. Study of Speech Enhancement using Spectral Subtractions .

485 views • 13 slides