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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
FAQs