Alexa? Techniques to Pull Clear Speech from Noise – Part II

Great voice recognition can only start with great voice pickup. If cost is no object, of course you can build a great solution. Just use high-end voice activity detection, many-microphone beamforming and echo cancellation and you’ll have a premium product for high-end markets. But can you also satisfy mid-range markets with attractive pricing? This article discusses techniques to offer solutions for both markets.

CEVA, a leading licensor of signal processing platforms for smart, connected devices, introduced ClearVox, a new software suite of advanced voice input processing algorithms aimed at enhancing speech intelligibility and voice clarity for voice-enabled devices. ClearVox is licensed exclusively for the CEVA-TeakLite-4 and CEVA-X2 audio/voice DSPs, and extends the company’s voice portfolio with multi-mic beamforming, speaker direction of arrival, noise suppression and echo cancellation algorithms.