4-channel acoustic echo canceller card for remote conferencing using DME24N and DME64N digital mixing engines. As well as the echo cancellation function, the MY4-AEC card also offers a noise reduction function which removes steady-state background noise such as air conditioning and projector fans etc. The card also has a feedback suppressor with 42 notch filters per channel to aid the suppression of feedback in PA systems.
4ch Acoustic Echo Canceller
Maximum echo time delay (Tail length) 400ms
High definition sound (frequency range 20Hz-20kHz)
4ch far-end input for multipoint meeting
4ch Noise Reduction
4ch Feedback Suppressor
Additional 4ch AES/EBU I/O with SRC
Input/Output Board/Card Type - Network
Sampling Frequency:
44.1, 48, 88.2, 96 kHz
Audio Data Length:
24 bit
Connector:
Euroblock
Frequency Range:
20Hz to 20kHz
Arrival Time of Direct Sound:
120 ms (maximum)
Echo Time Delay:
400 ms (maximum)
Echo Cancelling Capacity:
60 dB (maximum)
Noise Reduction:
17 dB (maximum)
DME24N
- Digital Mixing Engine with 24 x 24 I/O Capability
DME64N
- Digital Mixing Engine with 64 x 64 I/O Capability