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AEC with Noise Reduction for Digital Hands-Free Communication
ZL38002

AEC with Noise Reduction for Digital Hands-Free Communication

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The ZL38002 device is comprised of an acoustic echo canceller and the necessary control functions for operation.

Product Detail

"The ZL38002 device is comprised of an acoustic echo canceller and the necessary control functions for operation. The ZL38002 guarantees clear signal transmission in both transmit and receive audio path directions to ensure reliable voice communication, even when low level signals are provided. The ZL38002 does not use variable attenuators during double-talk or single-talk periods of speech, as do many other acoustic echo cancellers for speakerphones. Instead, the ZL38002 provides high performance full-duplex operation similar to network echo cancellers. This results in users experiencing clear speech and uninterrupted background signals during the conversation and prevents subjective sound quality problems associated with ""noise gating"" or ""noise contrasting"". The ZL38002 uses an advanced adaptive filter algorithm that is double-talk stable, which means that convergence takes place even while both parties are talking. This algorithm allows continual tracking of changes in the echo path, regardless of double-talk, as long as a reference signal is available for the echo canceller."

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Technical Specification

Type:
Mature Audio Processors

Additional Documentation

Manufacturer

Microsemi

Microsemi Corporation (Nasdaq: MSCC) offers a comprehensive portfolio of semiconductor and system solutions for aerospace & defense, communications, data center and industrial markets.

Learn about Microsemi

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