ZLS38040 is the firmware that runs on the ZL38040 hardware platform. This firmware and hardware combination provides a handsfree communication voice processor that is ideal for full-duplex narrowband and wideband phone set. The firmware is available in binary format and can run on the ZL38040 hardware platform allowing for easy development of full-duplex IP speaker-phones.
Long tail acoustic echo cancellation length (up to 256 ms) in both band (8 kHz sampling) and Wide band (16 kHz sampling) operation
G.168 Line Echo Canceller
Non-linear echo cancellation provide higher tolerance for speaker distortions
Advanced Noise Reduction to reduces background noise from the near-end speech signal using Psycho-Acoustic techniques
Telephone signal detection and genretation
Programmable tone generation (DTMF)
Caller ID Type 1&2 receiver
Call progress tone detection
16/22 band equalizer
Howling cancellation - prevents oscillation in echo canceller audio path.
Provide high quality voice
Tolerant to non linearities due to speaker limitations
Reduces noise while retaining voice quality
Downloadable Software Revisions
The Software packages include a release notes file, which is also available separately in some cases.
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