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25 - 27 February 2020 // Nuremberg, Germany

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Exhibitors & Products embedded world 2019
Zoom product LOGO_Tensilica HiFi 5 DSP

Tensilica HiFi 5 DSP

LOGO_Tensilica HiFi 5 DSP

Tensilica HiFi 5 DSP

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The Cadence® Tensilica® HiFi 5 DSP for audio and voice, is the first IP core optimized for high-performance far-field processing and artificial intelligence (AI)-based speech recognition processing. This fifth-generation HiFi DSP offers 2X audio processing and 4X neural network (NN) processing improvements versus the HiFi 4 DSP, making it ideal for voice-controlled user interfaces in digital home assistants and automotive infotainment.
Following the popularity of digital home assistants, voice-controlled user interfaces are increasingly important to manufacturers of innovative consumer products. Advanced DSP algorithms are rapidly evolving to eliminate noise and isolate the speakers’ voice for increased understanding, requiring higher processing capabilities and improved energy efficiency. Additionally, NN-based speech recognition algorithms are performing more tasks locally, rather than in the cloud, due to concerns of latency, privacy and network availability.

Key features of the HiFi 5 DSP include:

  • Five very long instruction word (VLIW)-slot architecture capable of issuing two 128-bit loads per cycle
  • 2X MAC capability versus HiFi 4 DSP for pre- and post-processing, includes:
    • Support for eight 32x32-bit or 16 16x16-bit MACs per cycle
    • Optional eight single-precision floating-point MACs per cycle
  • 4X MAC capability versus HiFi 4 DSP for NN processing, includes:
    • 32 16x8 or 16x4 MACs per cycle
    • Optional 16 half-precision floating-point MACs per cycle 
  • The new HiFi NN library offers a highly optimized set of library functions commonly used in NN processing (especially speech). These library functions can easily be integrated into popular machine learning frameworks.
  • Software compatibility with the complete HiFi product line totaling over 300 HiFi-optimized audio and voice codecs and audio enhancement software packages.

For more information, visit www.cadence.com/go/hifi5

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