Kinwing Electric Industrial Co.,Ltd
Specialising in the manufacture of small appliances Full range of solutions from market research to product design
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| Acoustic performance | | | ||
| 1 | Microphone | Two-microphone array (digital microphone) | ||
| 2 | Microphone SNR | SNR>64dB | ||
| 3 | Microphone sensitivity | -26dB | ||
| 4 | speakers | 3W/4ÿ, double diaphragm | ||
| Algorithm performance | | | ||
| 1 | pickup distance | Radius 2 meters (best effect), effective sound pickup distance 5 meters | ||
| 2 | Beam forming | Voice enhancement | ||
| 3 | Echo Cancellation (AEC) | Elimination depth 72.5dB | ||
| 4 | Reverberation suppression (Dereverb) | Reverberation time 1s (RT60) | ||
| 5 | Ambient Noise Reduction (ANS) | 6dB~25dB (defined according to customer needs) | ||
| 6 | Automatic Gain Control (AGC) | 1 meter to 2 meters far-end volume loudness is basically the same | ||
| 7 | VAD | Silence detection 2s | ||
| 8 | Sampling rate | 16KHz | ||