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High density microphones array (128 units).
Preferred pickup zones & block area.
Dynamic multi-beam voice tracking.
Enhanced speech intelligibility for every word from multiple speakers.
Ultra-low latency (25ms) with high gain (10 dB).
Advanced AFC noise reduction algorithm blocks background noise.
Built-in PTZ camera audio tracking functionality.
D7702 is a high-end ceiling conference microphone introduced by DSPPA. It integrates up to 128 units of omnidirectional microphone array, providing 16 independent configurable pickup zones for refined pickup configuration. it adopts Dante digital audio technology to ensure stable audio transmission and wide compatibility. D7702 incorporates Al algorithms, providing functions such as Al noise reduction suppression, Al reverberation suppression, Al adaptive feedback control (Al-AFC), and Al echo cancellation, effectively improving meeting efficiency.
Model | D7702 | |
Microphone Type | Mic Type | 128-unit MEMS Microphone Array |
Sensitivity | -38dBv / 94dB SPL @1kHz | |
SNR | 65dBv/94dB SPL@1kHz,A-weighted | |
Dante | Number of Channels | 2x2 |
Remote Meeting/Local Sound Reinforcement Channels | 1/1 | |
Audio Performance | Remote Conversation Pickup Zones | 8 |
Local Sound Reinforcement Pickup Zones | 8 | |
Sampling Rate | 48kHz | |
Maximum Background Noise Suppression | 35dB | |
Al Noise Reduction Suppression | Support | |
Al Reverberation Suppression | Support | |
Al Feedback Suppression | Support | |
Al Echo Cancellation | Support | |
Delay (Automatic Mixing Output, including Dante) | ≤25ms | |
Cascade Performance | Cascade Quantity | Unlimited |
Cascade Method | Dante audio | |
Cascade Quantity | RJ45 Port | 1 (Dante Audio Transmission, PoE) |
Reset Button | 1 | |
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