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4
EKSAtelecom Voice-
Pure Technology
Through the dual microphone array (a call microphone and a noise
reduction microphone), the position of the caller is accurately calculated,
thereby protecting the target voice. During a call, the microphones filter out
various interference noises in the environment to reduce non-target noise
and ensure a clear call.
Call Microphone
ENC Filter
Voice Band
Amplitude
Time Latency
Head Filter
Far-end voice + environmental noise
Near-end voice + environmental noise
Noise-cancelled
voice signal
Noise reduction
microphone
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