Tensilica HiFi 4 DSP

Overview

2X the performance of the HiFi 3 DSP for DSP-intensive applications like multi-channel, digital assistant front-end processing, and neural network-based ASR

The Cadence® Tensilica® HiFi 4 DSP provides 32-bit fixed and floating-point performance, for highly demanding DSP applications in smart speakers, home entertainment, and automotive infotainment. It is well suited for complex multi-mic far-field processing and wake word detection with neural network (NN) techniques for use in voice assistants. It supports the latest object-based codecs for use in STB and TV products.

Key Features

  • Support for eight 32x16-bit MACs per cycle under specific conditions
  • Four very long instruction word (VLIW) slot architecture capable of issuing two 64-bit loads per cycle
  • Optional vector floating-point unit available, providing up to four single-precision IEEE floating-point MACs per cycle
  • Software compatibility with the complete HiFi DSP product line, totaling over 300 HiFi-optimized audio and voice codecs and audio enhancement software packages
  • HiFi NN library offers optimized set of library functions commonly used in NN processing (especially speech), which can easily be integrated into popular machine learning frameworks

Applications

  • Automotive,
  • Communications,
  • Consumer Electronics,
  • Data Processing,
  • Industrial and Medical,
  • Military/Civil Aerospace,
  • Others

Technical Specifications

Maturity
Available on request
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Semiconductor IP