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  1. Perfect, got it. Thank you very much :)

    Perfect, got it. Thank you very much :)
  2. Thank you Paul, ill definitely check that. But...

    Thank you Paul, ill definitely check that. But I'm a little bit confused, why doesn't the cmsis functions, described on the ARM's website, work for the board? Shouldn't they work with any ARM...
  3. How can I acess the core register of the ARM?

    Hello guys,

    how can I acess or change the core registers of the ARM? Im trying to use the CMSIS fncions like __set_PRIMASK() but I always get "the was not declared in this scope" error.

    Is it...
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    Yes Frank, ANC in headphones. Sorry about the...

    Yes Frank, ANC in headphones. Sorry about the confusion. I should have phrased it in a better way.

    Anyway, nice work.

    Artur Zorzo
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    Nice work Frank :) Have you measured the sound...

    Nice work Frank :)

    Have you measured the sound attenuation of the LMS_NoiseReduction in an acoustic setup?

    I really don't underestand how that would work with buffers.

    One of the main...
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    Hello phonoptics, I have implemented the FXLMS...

    Hello phonoptics,

    I have implemented the FXLMS algorithm in the teensy 3.6 board (active noise control in headsets aplication), and it worked really well.

    You can see the codes here...
  7. Hello Guys, Im trying this code to change the...

    Hello Guys, Im trying this code to change the sampling rate to 48k but Im receiving the following errors:

    T3.6

    In function 'void setI2SFreq(int)':

    error: narrowing conversion of...
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    Still no answers? Would like to know the same...

    Still no answers? Would like to know the same thing.
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    Usb - 4 audio channels?

    Hello guys,

    Is it possible to use the teensy 3.6 in USB mode ( Recording on Audacity ) with four channels? I managed to do it with 2 channels, but I needed four at least, using the CS42448 codec....
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    Yes, thats it. The signals are all normalized...

    Yes, thats it. The signals are all normalized from -1.0 to +1.0. Thank you very much, I'll try that :)

    The filter is this one for now, but I'll have to redo some measurements and I think the...
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    Thank you Paul, I missed that part, Im sorry...

    Thank you Paul, I missed that part, Im sorry about that.

    About the filter, I have to use one based on a measurement. I can't design it on the "TFilter Design Tool ". I have designed the filter I...
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    Fir Filter Coefficients

    Hello guys, I'm using the FIR filter object but I would like to input a filter that I generated (via matlab). How can I make the convertion of the coefficients to the hex format that the object uses?...
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    Thank you Paul. And if I need to convolute the...

    Thank you Paul. And if I need to convolute the resulting signal with a FIR filter that I created (512 taps), how could I do it?
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    Subtract two audio channels - How?

    Hello guys. I'm trying to build a code to subtract de 2 the left and right channels of a stereo recording from the SD card and output them though the headphones.

    Im trying to use the queue class...
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    Hello guys. Im using this code and im...

    Hello guys. Im using this code and im experiencing some periodic pop sounds in the recordings. Has anyone else had this problem?


    Im using teensy 3.6 with audioshield.


    13953

    13954
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    Thank you Paul. That really cleared things for...

    Thank you Paul.

    That really cleared things for me. Im using this codes to run an active noise control system, and the processing has to be done at each sample. The latency that the buffering...
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    Hi Theremingenieur, I tried to use them, but...

    Hi Theremingenieur,

    I tried to use them, but afterwards I couldn't find a way of acessing the individual samples and adjusting the sampling rate :/. I need to do this processing at each sample...
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    DSP block - Optimize FIR filters?

    Hello guys,

    I'm using this code, for the teensy 3.6, to do system identification in the audio range based on adaptive filtering.

    Is working really well but I would really like to know if there...
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    How to use the FPU in teensy 3.6?

    Hello,

    I wanted to know if i have to initialize the floating point unit to use it? And if so, how do I make this initialization?

    I'm really new at this and I'm having some trouble figuring it...
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