Audio TechnologiesAudio Noise Reduction Software & Digital Array Microphone
Andrea Electronics is a certified OEM microphone technology partner for IBM Watson™ Assistant Solutions
Andrea array microphone technology improves Watson speech recognition word error rate accuracy by almost 50% over competitive far-field noise canceling microphones when used in real world noisy environments.
Audio Filter Algorithms
Audio Filter Libraries Available to License for Your Devices’ Embedded Processors.
New internet connected devices controlled by natural language understanding require advanced audio input technology.
Andrea Electronics patented system of digital stereo beam-forming and noise cancellation signal processing enables accurate far-field speech recognition performance from up to 14 feet away!
Andrea’s award winning audio noise reduction software provides wide bandwidth fidelity with less digital artifacts and lower distortion, thus raising the bar for audio noise reduction sound quality.
Our latest filter libraries are designed for OEMs targeting new product platforms running Linux and Android operating systems, while utilizing new powerful mobile processors with DSP cores such as ARM.
Audio Noise Reduction Andrea
Direction Finding and Tracking using XENSIV™ MEMS microphone array
• This demonstrator shows direction of arrival of sound using four XENSIV™ MEMS microphones
• Accurate source tracking and localization using 73 dB High SNR microphone array
• Applications: Conferencing devices, smartphones and laptops
• Infineon’s Sealed Dual Membrane (SDM) microphones with their exceptional linearity, phase and extremely tight sensitivity matching enable source tracking and tighter beamforming
Andrea is also highly skilled in the development of microphone hardware solutions utilizing digital signal processing.
We provide total microphone solutions for consumer, industrial and professional audio markets.
Microphone selection and pre-amplification (A2D/DAC)
System schematic design and low noise PCB layout
Acoustic housing industrial design and product integration
Quality manufacturing of subassemblies and final products
Anechoic sound lab for microphone acoustics and algorithm noise reduction performance testing.
Speech recognition error rate testing with different embedded microphone configurations with real world ambient noise types.