Hi Dean

RRR

OK. I have so far, used codec2 to to store phrases and vocab in a microcontroller... @ 3600 I have stored qute alot of talking in the 1Mbyte of STM32 flash...

WHat i'd need to do is sit down and look at which parts of the codec2 frame would be best suited for initial candiate matches

Kth nearest-neighbour or something.... IE distance in N dimensional space.

glen


On 12/04/2018 10:32 PM, Dean H (KC4KSU) wrote:
Sorry, no experience.  But I’ve had the idea that voice compression to its basic elements (tone, pitch, energy) would make it easier for a recognition algorithm to operate.  There would be more core information and less useless artifact.  Seems like feeding a codec2 stream to an HTM (neural net)[1] would be one fun experiment.

[1] https://en.wikipedia.org/wiki/Hierarchical_temporal_memory

!!Dean

On Apr 12, 2018, at 1:54 AM, glen english <g...@cortexrf.com.au <mailto:g...@cortexrf.com.au>> wrote:

Anyone had any experience using codec 2 as a compressed storage method for voice recognition.

Essentially, store the phrases in your FLASH as CODEC2-3600 frames.

do a search for a match.... re assemble the phonemes etc ...

glen VK1XX




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