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TMS320C5535: Enhanced TIesr - Speech Recognition Library

BO
Genius 12760 points
Part Number: TMS320C5535

I noticed that on the e2e forum there is a post saying that this TIesr solution is limited to two keyphrases and if the number of phrases is increased, the accuracy will drop.
Voice recognition question (C55xx): e2e.ti.com/.../547564
How to Increase Speech Recognition Accuracy Using TIesr API on C5535: e2e.ti.com/.../1952595

I would like to know if the number of phrases is still two or if there is a more recent version with more keywords?
Moreover, is there a 3rd party speech recognition firmware that runs on C5000?

Regards,
Bernd

  • 0
    TI__Guru 65405 points
    Hi Bernd,

    I've forwarded this to the experts. Their feedback should be posted here.

    BR
    Tsvetolin Shulev
  • 0
    TI__Mastermind 30365 points
    Bernd,

    The TIesr engine has not changed since the TI design was put out last year. You can certainly try to add more keyphrases and see how the engine behaves; its just that we did not test it out with a large keyword set. Lorin's response on one of the threads you referenced has some good info.

    Yes, Sensory (www.sensory.com/.../) is the 3rd party that we work with. They have a very high quality recognition engine that works very well on the C55x. They have support for multiple languages, keywords, etc.

    Moreover, we have a couple of TI designs (C5517 and K2G) that are about to be released which does voice pre-processing (Beamforming, ASNR, MSS, DRC) that can be stitched to the front-end of a voice recognition engine to improve reliability. An 8 mic circular mic array is also part of this TI design which will be order-able on the TI store soon.

    If you need more details on this, please send me an email and I can get you more information.

    Lali