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Zarlink has recently introduced a new device for its family of voice processing solutions. The ZLTM38005 voice processing platform enables high-quality voice over an economical hands-free communication system including wireless microphones, home automation applications and car kits.The now available ZLTM38005 voice processing platform integrates a dual-channel narrowband codec, on-chip memory, multiple interfaces and advanced voice processing firmware. Combined with a variety of design tools from Zarlink, this speech processor helps improve voice quality, reduce background noise and reduce system complexity and cost.
Combined with this new product, Zarlink now offers a comprehensive portfolio of hands-free voice processing products. The new ZL38005 device delivers high-quality voice processing performance, providing an easy-to-implement mainstream hands-free communication system solution.
Zarlink Semiconductor's range of design tools support its voice processing family of devices. These design tools reduce the complexity of system optimization adjustments, help reduce design time and speed time to market. Zarlink's design tools include a complete evaluation board with a miniature evaluation board that fits directly into the speakerphone plastic case for quick and easy performance testing. Zarlink's diagnostic tool suite supports a simple “plug and measure†function that makes it easy to measure echo characteristics, frequency response and distortion. Zarlink also offers a Bluetooth evaluation kit for the advanced hands-free car kit.
The ZL38005 hardware platform and integrated ZLS38501 firmware guarantee voice quality for hands-free communication even in severe noise environments.
The ZL38005 platform includes a narrowband codec with an input and output sampling rate of 8 KHz. The integrated acoustic and linear echo canceller is programmable to eliminate echo tails up to 256 ms with noise attenuation up to 20 dB.
The device provides excellent performance when both parties talk at the same time (double-talk). Zarlink's ZL38005 speech processor algorithm continuously converges and tracks changes in the echo path, supporting full-duplex operation.
The ZL38005 voice processing platform is available in a 14x14 mm 100-pin lead-free QFP package.
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