ZLS38507 Speakerphone Firmware
ZLS38507 Speakerphone Firmware provide customers with a cost effective high quality handsfree algorithm designed specifically for small office speaker phones for narrow band signals. The firmware is available in binary format and can run on the ZL38012 hardware platform allowing for easy development of either a PSTN or IP speakerphone.
Narrow band operation
Full duplex Acoustic Echo Cancellations to provide high quality handsfree operation
Full duplex line echo cancellation to remove network echo from 2 to 4 wire conversions
Nonlinear echo cancellation provide higher tolerance for speaker distortions
16 band equalizer provided to improve speaker performance
Optional hardware (controllerless) control using GPIO pins
Provide high quality handsfree operation
Tolerant to non linearities due to speaker limitations
Reduces noise while retaining voice quality
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