BSS BLUAEC-IN | Acoustic Echo Cancellation Card

BSS BLUAEC-IN | Acoustic Echo Cancellation Card


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BSS BLUAEC-IN | Acoustic Echo Cancellation Card
The Soundweb London Acoustic Echo Cancellation (AEC) Input Cards are designed to populate any of the four card slots on Soundweb London BLU-800, BLU-805, BLU-806, BLU-320, BLU-325, BLU-326, BLU-160 and BLU-120 devices. These AEC Input Cards enable Soundweb London devices to cancel acoustic echo arising when sound from a loudspeaker enters a microphone in the same room in a conference application.

Like the Soundweb London Analog Input Cards, the Soundweb London AEC Input Cards offer Phantom Power, configurable per channel and software controlled analog gain in 6dB steps from 0dB to 48dB.

They offer four independent channels of AEC which can be freely configured in software and individual AEC references allowing users to provide a solution for multiple spaces using a single device.

Key Features:
Compatible with BLU-800, BLU-320, BLU-160 and BLU-120 Devices
Phantom Power (Configurable per Channel)
Software Controlled Analog Gain (0dB to 48dB, 6dB steps)
Four Independent Channels of AEC
Individual Reference per Channel
Automatic Gain Control (AGC)
Noise Cancellation (NC)
Non-Linear Processing (NLP)
Direct Microphone Feed for Local Sound Reinforcement

Technical Specifications:
Analog Inputs: Up to 16 electronically balanced on Phoenix/Combicon removable screw connectors
Mic/Line Inputs: Nominal gain 0dB, electronically switchable up to +48dB, in +6dB steps
Input Impedance: 3.5kΩ
Maximum Input Level: +20dBu with 0dB input gain, +8dBu with 12dB gain
CMRR: >75dB at 1kHz
Input Noise (E.I.N.): <-128dBu typical with 150Ω source
Phantom Power: 48V nominal, selectable per input
Pre-AEC Input Latency: 38/Fs [0.79ms@48k]
Post-AEC Input Latency (Original 8k Algorithm): 2385/Fs [49.68ms@48k]
Post-AEC Input Latency (Full Bandwidth Algorithm): 1609/Fs [33.52ms@48k]
Tail Length: 200 ms
Average Convergence Rate: 49dB/s (Net convergence over multiple FFT bands)

- Usually ships within 48 hours
- Ships directly from the manufacturer
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