BeClear Speech Enhancement

Philips BeClear Speech Enhancement technology delivers crisp and clear premium voice quality. It enables relaxed and effortless communication for cutting edge voice applications including:

Hands-free voice calls in noisy environments
Long range voice control of Smart Home appliances
Effective use of smart phones as conferencing devices

BeClear is the result of Philips’ long history in audio signal processing. It is provided as a complete software library enabling easy porting to a DSP or MCU of choice. It is the ideal solution for all applications where voice quality is critical, for interfacing to a speech recognition engine, or both.

Premium voice quality

Patented unique de-reverberation producing superior voice clarity beyond 5 m distance
State-of-the-art multi-channel AEC maintaining full-duplex performance
Super-tracking beamforming, dynamic non-stationary and di use noise suppression maintains natural voice quality at long distances and in adverse acoustic environments
Scalable to super wideband (32 kHz sampling rate) and full-band (48 kHz sampling rate) voice
Far-end voice processing for improved near-end experience

Optimized processing for speech recognition systems

Separate output for speech recognition systems at minimal additional processing cost
15% increase in voice control accuracy
Short integration time as BeClear does not require knowledge of a speech recognizer’s internal voice pre-processing

Fast time to market

Single software library enables applications ranging from mobile phones, speakerphones to long-range voice capture for voice control
Proven core algorithms can be easily tuned for new applications through a single parameter file

5 unique building blocks