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    yeah I thought about doing that too thanks

    yeah I thought about doing that too
    thanks
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    sorry mate, I admit I have a negative attitude,...

    sorry mate, I admit I have a negative attitude, but I wrote a game engine, once, well in the end, after 2 years of hard work, I still had no game

    I don't want to dig in something I bought, who's...
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    I have added > 800 buffers, adding more did not...

    I have added > 800 buffers, adding more did not improve the output
    and I soldered the FMT0 pads

    https://i.imgur.com/Mard55I.png
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    thanks for trying to help

    thanks for trying to help
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    ok thanks for lighting the way, dude ;-) people...

    ok thanks for lighting the way, dude ;-) people think that reading the manual is an easy task,
    t's not lazyness, I am just not an english person, some datasheet are not always easy to figure

    -...
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    sorry about that I keep editing my posts while...

    sorry about that I keep editing my posts while the delete button gets clicked (FFOX issue maybe) , so I have to rewrite my whole post again
    I preferred the previous forum, this one if really doddgy
  7. Hello, can you have a look at this one ?...

    Hello,

    can you have a look at this one ? https://forum.pjrc.com/threads/59383-change-I2S-BCK-ratio?p=229944#post229944

    I have jitter in the DOUT of a PCM1802, maybe it's the same issue, I'll...
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    while fig 23 and 25 clearly display 20 and 24...

    while fig 23 and 25 clearly display 20 and 24 bits per frame
    btw I use a PCM1802

    I hate these discusions, I am more interested in how this can be fixed, I put a lot of work on the appliance I am...
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    I DID RTFM, check the image below, afaik its 24...

    I DID RTFM, check the image below, afaik its 24 clock bits per channel -> 48 in total, not 64

    - I ordered a PCM1808

    meanwhile,I fiddled around again with the PCM1802,

    - I checked...
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    as for the RPI Zero W solution, audio works nice,...

    as for the RPI Zero W solution, audio works nice, even able to use pure data

    and of course it cant be connected to my router via wlan0, maybe I broke the device when I soldered a header on it
    so...
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    just checked the I2S code in the audio library,...

    just checked the I2S code in the audio library, I think I am going to give up on teensy, I waste alot of time just making things work
    I'll se wht I can do with a RPI zero instead
    pfffff
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    if I manage to make it work :-)

    if I manage to make it work :-)
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    change I2S BCK ratio ?

    Hello,

    I try to use a PCM1802 and I noticed that the output was sliced, the data coming in are sliced too (parts are missing, DOUT is outputing nothing here and there)

    so I checked the BCK...
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    Ok, I found it indeed MCLK 11 Audio Master...

    Ok, I found it indeed

    MCLK 11 Audio Master Clock, 11.29 MHz
    BCLK 9 Audio Bit Clock, 1.41 or 2.82 MHz
    LRCLK 23 Audio Left/Right Clock, 44.1 kHz
    DIN 22 Audio Data from Teensy to Audio...
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    I2S pins - Teensy 3.6

    Hello,

    I try to figure

    - the i/o pins used on the Teensy 3.6 for I2S so I can plug my own chip to it

    - do I need to modify input_i2s.cpp, considering that the chips I looked at don't have...
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    yeah just realized that now :-) with 4 chanels,...

    yeah just realized that now :-)
    with 4 chanels, I get 50MPs
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    ok I plugged my saleae 16 and found an option to...

    ok I plugged my saleae 16 and found an option to set it to 100MS/s, now I get 20 Mhz
    I feel stupid :-)
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    ok with the scope the signal goes to 2 Mz and...

    ok with the scope the signal goes to 2 Mz and 48Mz with digitalWriteFast

    thanks gys

    maybe Saleae cant go that fast becos of the usb port
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    it works while the previous code freezes the...

    it works while the previous code freezes the teensy
    but I now reach 4mhz
    I try to find where to raise the saleae sampling rate
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    I cant find an option for that

    I cant find an option for that
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    20Mz PWM on a teensy ?

    Hello,

    I try to generate a 20mh 50% duty cycle signal on the teensy 3.6

    I can barely achieve 6Mhz, which is weird, since the teensy runs at 240Mhz

    anyone sees something wrong with my code ?...
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    dont waste your time just fried the teensy ...

    dont waste your time
    just fried the teensy

    checking out for something better than that piece of shit
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    it worked a couple of times, alternatin between...

    it worked a couple of times, alternatin between usb and 5v battery power

    now right after programming the teensy, I unplugged the usb, plugged the battery, nothing
    replugged the usb, and the...
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    power teensy 3.6 with 9V+5v reg

    Hello,

    I want to power the teensy, with 9v bat behind a 5v regulator

    do I have to cut some trace on the PCB?

    regards
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    capacitorss for adc dac ?

    Hello everyone,

    I had found a neat "recommended" schematic about the caps/res to use if I did not purchase any audio shield but I cant find it anymore :-(

    I plan to use the output of a guitar ,...
  26. Thread: fft ifft ?

    by phil123456
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    ok, then awesome, I'll have a look sheers mate

    ok, then awesome, I'll have a look
    sheers mate
  27. Thread: fft ifft ?

    by phil123456
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    ??? what ?? why ? most wav samples are 44khz...

    ??? what ?? why ?
    most wav samples are 44khz 8/16 bits

    most MCU ADC are 12 bits

    what does this have to do with anything ?
  28. Thread: fft ifft ?

    by phil123456
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    I want to do more than just display a spectrum on...

    I want to do more than just display a spectrum on a lcd
    I use puretdata so far and no way you could do ifft without the real/img data

    the magnitude/phase , for my needs, is useless (besides,...
  29. Thread: fft ifft ?

    by phil123456
    Replies
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    fft ifft ?

    hello,

    just found this one

    https://github.com/mozanunal/SimpleDSP/wiki/FFT-IFFT

    I managed to build it so I was wondering why there were no ifft in teensy ?
    and why is the fft in teensy not...
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