SVE Hands-Free Solution

SVE hands-free solution

SVE far-field solutions are suitable for various types of hands-free communication and interactive products which need front-end processing. The solutions are including Acoustic echo cancellation, beam forming, de-reverberation, noise reduction and howling suppression etc..

Technical composition & specification

Acoustic Echo Cancellation（AEC）

Echo loss > 65 dB; Convergence speed < 300 ms, no echo in the initial segment (Echo free); Support echo cancellation under high volume and heavy bass conditions; Support full-duplex calls
Reverb suppression

Support adaptive reverb suppression in different sizes and under different reverberation conditions;Retains early reflections and direct sound content within 80ms.
Noise Reduction（NR）

Noise cancellation ranging in 15~30 dB, low voice distortion; Suppress steady-state and non-steady-state noise.
Automatic gain control（AGC）

Flexibly set the gain control range according to the requirements for transmitting/receiving loudness; Support 45dB or more amplification.
Sampling rate

Wideband 16 KHz, narrowband 8 KHz
Platforms

Sound+ module SPVM series; Other platforms can be quickly transplanted according to needs.

Mass production cases