Digital Feedback Destroyer
AFS DIGITAL SERIES PRODUCT
DIGITAL FEEDBACK DESTROYER
Scope of application :
Meeting,theater,auditorium,classroom,multi-function hall the places
where requires high level voice.
The AFS2000 adaptive filters can switch between "fast" mode and "precise" mode.Fast mode is apply to microphone position often change of occasion, for example, Equip with multi-channel microphone and switch of the meeting system. Precise mode is apply to the occasion of microphone fixed position. For example, relatively stable pulpit of acoustic environment. Adaptive filters can be at a slower speed convergence, thus effectively inhibit more reflection component. Before acoustic feedback to happen, can be get more than 12dB gain, Depending on the acoustic environment and the selected mode of operation.
• Sampling frequency(fs): 32 kHz
• Frequency Response: 125 Hz - 15 kHz
• THD: < 0.1 %（when 1 kHz）
• SNR: > 90 Db
• Decorrelator frequency shift: More than 5 Hz
• CMRR： >25 dB（50 Hz to 20 kHz）
• Phantom power: 16 V（only for MIC, can switch）