DSPs target sensor intelligence and edge AI inference needs

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new products include the Cadence Tensilica HiFi 1s DSP and HiFi 5s DSP for audio/voice, lightweight imaging and AI applications and the Tensilica Vision 110 DSP and Vision 130 DSP for image sensor, camera, radar and lidar applications.

www.embedded.com/, Oct. 30, 2023 – 

Cadence Design Systems has introduced four new audio and vision DSPs to address the growing demand for pervasive intelligence and edge AI inference. The new products include the Cadence Tensilica HiFi 1s DSP and HiFi 5s DSP for audio/voice, lightweight imaging and AI applications and the Tensilica Vision 110 DSP and Vision 130 DSP for image sensor, camera, radar and lidar applications.

All four DSPs are based on its recently announced Tensilica Xtensa LX8 processor platform, addressing increasing system-level performance and AI requirements for an expanded range of applications – delivering performance across multiple algorithms with greater energy efficiency.

Commenting on why the new DSPs are significant, David Glasco, vice president of research and development for Tensilica IP at Cadence, said, "With lengthy SoC design cycles and rapidly changing AI algorithms, our SoC customers require the utmost flexibility. On-device and edge AI systems feature numerous diverse sensors, so any AI inference solution must be adaptable to the end application requirements. Designing with a system-level perspective is crucial, and these SoCs must be energy-efficient, flexible and future proof to accommodate new neural networks. Cadence continues to make significant investments in our Tensilica product line, and our latest HiFi and Vision DSPs reflect that commitment."

The new DSPs benefit from specific advantages of the Xtensa LX8 platform, such as native AMBA AXI support for lower latency and L2 cache for increased system performance. Branch prediction enables a 5% to 20% reduction in cycles for both the HiFi and Vision DSPs. Supported by Cadence's new NeuroWeave software development kit (SDK), the DSPs can be paired with the Cadence Neo neural processing units (NPUs) to offload AI inference workloads.

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