Place of Origin:
Guangdong, China
Brand Name:
OEM
Model Number:
A002
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Acoustic performance
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1
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Microphone
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Two-microphone array (digital microphone)
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2
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Microphone SNR
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SNR>64dB
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3
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Microphone sensitivity
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-26dB |
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4
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speakers
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3W/4ÿ, double diaphragm
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Algorithm performance
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1
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pickup distance
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Radius 2 meters (best effect), effective sound pickup distance 5 meters
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2
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Beam forming
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Voice enhancement
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3
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Echo Cancellation (AEC)
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Elimination depth 72.5dB
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4
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Reverberation suppression (Dereverb)
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Reverberation time 1s (RT60)
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5
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Ambient Noise Reduction (ANS)
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6dB~25dB (defined according to customer needs)
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6
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Automatic Gain Control (AGC)
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1 meter to 2 meters far-end volume loudness is basically the same
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7
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VAD
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Silence detection 2s
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8
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Sampling rate
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16KHz
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