banner



Home


Acoustic Design


microphone
Testing

speakerMesh

Simulation


R&D/
Technology

People

Consulting

Contact



This site is dedicated to acoustics applications in Telephony and Multimedia speaker systems and audio technology. It is under construction. Please visit us regularly as applications and results are added regularly.


Our domains of expertise are in:

Acoustic design

Acoustic design of music players, toys, telephones, laptop computers and multimedia speakers.
Simulations methods: Electro-acoustic modeling, Analytical Methods, Finite and Boundary Elements Methods.
Telephony: artificial ears electro-acoustic models. Receivers, speakers, microphones modeling and testing.
 

Testing

Expertise in Bruel & Kjaer testing suite and artificial ears, HATS, Larson Davis and Norsonic analyzers.
Telephonometry. Data analysis programs with Scilab (partially compatible with Matlab).

ITU and TIA Recommendation, 3GPP, VoIP.
White papers, Standard analysis, Presentations.

R&D/Technology

Microphone Array / Beamforming Technology
Where spatial filtering can efficiently reduce background noise and enhance the quality of your recordings or phone handset and handsfree transmission (and reception!).

Micro-speaker/Earpiece solutions
With the use of cell phones multimedia applications and the need for quality audio this is a major challenge

Intellectual Property
Analysis of prior art, patent preparation, patent infringement analysis service



Technology

Microphone array implementation
with electret microphones. Applications for telephony, small directional microphones for PC, IC recorders, covert listening....






Multi-microspeakers systems
Applications for notebooks, cell phones, telephones.  


Standards

Telephonometry
Navigate the inter-dependance of different recommendations from TIA, ITU and ETSI for 3GPP and VoIP



Links


Testing
Hardware and software testing instruments


Simulation
Finite and Boundary Elements Software


FAQs


© 2008  Dr. Stephane D. All rights reserved. Last Modified April 12, 2008.