Forum Update - Announcement about May 10th, 2018 update and your password.

Will P2 be able to do professional Voice Identification?

13»

Comments

  • tonyp12tonyp12 Posts: 1,914
    edited July 28 Vote Up0Vote Down
    I'm sure P2 will outshine in some areas but for speech recognition could not a $5 Cortex A5 at 0.5GHz do that? (ball pitch of 0.75mm should be 4layer doable)
    https://www.mouser.com/ProductDetail/Microchip-Technology/ATSAMA5D21C-CU?qs=sGAEpiMZZMvu0Nwh4cA1wUll2m7DCiig4IvY9CF2UAAN081UPCTwmQ==
  • tonyp12 wrote: »
    I'm sure P2 will outshine in some areas but for speech recognition could not a $5 Cortex A5 at 0.5GHz do that? (ball pitch of 0.75mm should be 4layer doable)
    https://www.mouser.com/ProductDetail/Microchip-Technology/ATSAMA5D21C-CU?qs=sGAEpiMZZMvu0Nwh4cA1wUll2m7DCiig4IvY9CF2UAAN081UPCTwmQ==

    I hope the P2 would make it easier to develop such a concept, even if it wasn't used in production. Kind of like how an FPGA gets used.
  • ErNaErNa Posts: 1,090
    Just another way to show what FT can't: Take a year as a period and now plot the signal of a photo resistor. You will find a frequency of 365 and harmonics! So the day's frequency is 1/365 and a little 1/730 plus a little of 1/1095 and so on. Maybe these harmonics are the reason, why we sometimes feel good?
  • tonyp12 wrote: »
    I'm sure P2 will outshine in some areas but for speech recognition could not a $5 Cortex A5 at 0.5GHz do that? (ball pitch of 0.75mm should be 4layer doable)
    https://www.mouser.com/ProductDetail/Microchip-Technology/ATSAMA5D21C-CU?qs=sGAEpiMZZMvu0Nwh4cA1wUll2m7DCiig4IvY9CF2UAAN081UPCTwmQ==

    P2 is the better candidate here because it is easier to solder than the BGA.
    There is no such thing as bad news.
  • ErNa wrote: »
    Just another way to show what FT can't: Take a year as a period and now plot the signal of a photo resistor. You will find a frequency of 365 and harmonics! So the day's frequency is 1/365 and a little 1/730 plus a little of 1/1095 and so on.

    Of course there will be some algorithm to ignore un-important harmonics, so everything is beautiful.

    There is no such thing as bad news.
  • ErNaErNa Posts: 1,090
    Did you get the point? The light signal from a photo sensor will not be periodical to 365. So every 4 years at midnight you will see the stars in a position a little different and after 365*4 periods the stars will be in the same place again. When you sample the daylight over 24hs you can see a basic frequency of one and then harmonics. That is, you describe the light as an average light (the DC component) and then there is another light source that can contribute light (at day) or remove light (at night) and as the sunlight doesn't shine sinuidal, you have to add other light sources with 12, 8, ... hours period.
    What I show here: obviously there are usecases, where a fourier transform can describe a behavior without having any realistic background. Voice recognition is such an application, but not as obvious. For this reason, much effort is invested into the wrong place.
    Like insisting in Interrupts for the parallel Propeller. They are not needed in that paradigm. But can be used if available. To peace those, that insist in interrupts and to please and ease those, that don't.
    And now imagine voice recognition that can follow what I just wrote!
  • Are you an expert in Voice Recognition, Voice Identification or Sound Analysis?
    There is no such thing as bad news.
  • ErNaErNa Posts: 1,090
    again: yes and no. Yes, I analyse sounds, e.g. heart beats, no, I'm not an expert, as a see experts suffering ;-) basic knowledge. I found, whenever I foutran a signal with spikes, the spikes vanish and new characteric signals appear. That means: if you are looking for an sinusoid of 10 hz in a 1 second intervall and there is a spike, you remove the frequencies > 15Hz successfully and the spike will appear as a 10hz signal. ;-) Whenever you expect something to happen, you have to look for this and to prevent wishfull thinking. This is true for signal voice recognition to. I currently wait for P2 and will use it for such purpose
Sign In or Register to comment.