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Bluetooth Mic

Discussion in 'Radio and Wireless' started by Jayz99, Jan 25, 2018.

  1. Jayz99

    Jayz99

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    Jan 25, 2018
    Hi
    I'am trying to build a Bluetooth mic that I can connect with my Bluetooth speaker.
    Doing this to help my mom with her teaching in class, so I'm looking to make a small mic with a Bluetooth module that can be hand-held which connects to the speaker to give a louder output.
    If someone can help me with the list of components I'd need and how I should go about doing this I'd greatly appreciate it.
    Cheers.
     
  2. giova241018

    giova241018

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    Jan 23, 2018
    Hi , jayz99
    there are different commercial bluetooth speaker devices that you can use to your application. You don't spend many money to it. This system use one power small box of 10 Watt about. If you want more power speaker, you may connect to the output and amplify it.

    I sorry you for my english but i am italyen and I'm learning it

    Giovanni
     
  3. Jayz99

    Jayz99

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    Jan 25, 2018
    Hi Giovanni , thanks for the reply , I want to build a microphone that transfers the audio to the speaker via Bluetooth.
    Cheers
     
  4. giova241018

    giova241018

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    Jan 23, 2018
    sorry i don't know . I may say how receive one bluetooth signal . I think how make it
     
  5. giova241018

    giova241018

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    Jan 23, 2018
    sorry, what do you have to make with the bluetooth mic .Do you want a small mic ?
    or the size is indifferent
     
  6. Jayz99

    Jayz99

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    Jan 25, 2018
    The microphone should be able to receive the speech audio, amplify it and transmit it via Bluetooth to the speaker. I'm looking to make the microphone as small as possible
     
  7. giova241018

    giova241018

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    Jan 23, 2018
    ok, there are many devices low cost that do it . Build a bluetooth system is impossible. You should search one bluetooth module that make it . For this reason is convenient to buy one microphone with inside this broadcast system. In reception you have as system as broadcast. You have to buy one low power module TX&RX which low cost, and amplify the reception module speaker output with amplifier
     
  8. Audioguru

    Audioguru

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    574
    Sep 24, 2016
    If the microphone can hear the speaker then you will have acoustical feedback howling as the sounds go around and around and around and around and around ....
     
  9. giova241018

    giova241018

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    Jan 23, 2018
    but in this case there is no problem, because microphone and speaker there aren't near.
     
  10. Audioguru

    Audioguru

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    Sep 24, 2016
    The Swiss company Phonak that make my hearing aids make a Roger Pen that is a Bluetooth wireless mic.
     
  11. giova241018

    giova241018

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    Jan 23, 2018
    how many money ?
     
  12. Audioguru

    Audioguru

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    Sep 24, 2016
    The cost of hearing aid products does not matter here in Canada because money grows on trees and you just need to pick it off the tree or from the ground under each tree. I phoned my audiologist and they are thinking about how much profit they can make if I buy a Roger Pen Bluetooth wireless mic and they will phone me back with the price.
    I think my government will pay some of the cost.
     
  13. Jayz99

    Jayz99

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    Jan 25, 2018
    Hey , thanks for the reply , but what if the mic and the speaker are acoustically isolated could I then transmit the audio without any hassle to the speaker??
     
  14. Jayz99

    Jayz99

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    Jan 25, 2018
    I just checked the Roger pen out, what are the components I'd need to make one such device myself ??
     
  15. Alec_t

    Alec_t

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    Jul 7, 2015
    Have you considered an off-the-shelf solution; a radio mic such as is used by actors/performers on stage? Some may not be Bluetooth, but is that important?
    I doubt you'll be able to build one yourself cheaper than the numerous offerings on Ebay etc.
     
  16. giova241018

    giova241018

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    Jan 23, 2018
    Of course, however in canada the money grow on trees.
    jaz99 , do you live in canada ?
     
  17. Audioguru

    Audioguru

    2,549
    574
    Sep 24, 2016
    Different rooms with the door closed between them or record the mic then turn it off during a playback.
     
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