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Audio, Voice, and Speech Processing Couldn't Be Easier

Looking for the best quality audio, voice, and/or speech processing core for your next design? With all the software already ported for immediate deployment?

With the largest selection of audio DSPs, software packages and ecosystem of partners, adding audio to your next SoC couldn't be easier. Make the choice that more than 90 licensees have already made – select Cadence® Tensilica® HiFi DSPs for all your audio-, voice-, and speech-processing requirements.

Largest Partner Ecosystem with Expansive Range of Audio Software

Cadence has your audio software needs covered with over 125 partners in its comprehensive audio ecosystem. These companies range from industry giants like Dolby and DTS to smaller companies providing innovative sensor fusion, always-on, sound enhancement, and noise reduction software.

We have more than 300 audio, voice, speech recognition, and voice enhancement software packages already ported to the HiFi DSP architecture. This means you can get up and running very quickly, and can easily port your own proprietary software, completely in C, while also maintaining or surpassing the performance of assembly on other DSPs.


The Age of the Voice UI

Voice UI capabilities are becoming more and more important to OEMs. In the home, numerous appliances from smart speakers to set top boxes to microwave ovens all have built-in voice assistant capabilities. The trend is even continuing to the automobile with new natural language processing (NLP) and voice assistant services being adopted by leading brands.

Voice UI processing typically falls into two categories: audio pre-processing and speech recognition/keyword detection.


  • 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
  • New HiFi NN library offers a highly optimized set of library functions commonly used in NN processing (especially speech), which 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








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