CS6422 Key Features
- (Mute, -12 to +30 dB) Network Echo Canceller
CS6422 is Enhanced Full-Duplex Speakerphone IC manufactured by Cirrus Logic.
Most modern speakerphones use half-duplex operation, which alternates transmission between the far-end talker and the speakerphone user. This is done to ensure stability because the acoustic coupling between the speaker and microphone is much higher in speakerphones than in handsets where the coupling is mechanically suppressed. The CS6422 enables full-duplex conversation using echo cancellation and suppression in a...