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Type: Posts; User: JayShoe

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    Hello Friends, With a little help from a...

    Hello Friends,

    With a little help from a freelancer I've been getting some consulting from I was able to get this working. I have tested and confirmed the PCM5242 in both I2S and TDM modes. It's...
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    freelancer for teensy audio project

    I'm in the market for a freelancer to help write firmware for some DAC and ADC parts, so that they work in the teensy audio library. There will be other work. It is preferable to already have...
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    PCM5242 + PCM1865 + Teensy Audio

    Hello Friends,

    I've been working on this project for a while, it started with other TI chips I've posted about on this forum. I'm looking for some help, if you don't mind. I have two PCM5242 EVM...
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    Are you sure it's not a preamp you are missing? ...

    Are you sure it's not a preamp you are missing?



    Do you want to try it with a line level source? Send an "ipod" through it and see how it sounds?
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    Hello hoho, I'm happy this is helpful. I...

    Hello hoho,

    I'm happy this is helpful. I don't know that I have ever completed testing the quad channel inputs. I decided to go straight to the TDM format and work on the PCM5242 and PCM1865...
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    Hi hoho, Not every connection needs to be...

    Hi hoho,

    Not every connection needs to be hooked up... A quick look at the datasheet didn't help me figure out exactly what this pin does. Does it work without it? I haven't seen this on a chip...
  7. I'm building a mixer with teensy. Currently...

    I'm building a mixer with teensy. Currently working on software and pcb prototyping stage. Using PCM5242 and PCM1865 parts. You can have maximum 16x16 input/output with TDM on the two i2s lines in...
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    Yep, it took me a long time to figure out the...

    Yep, it took me a long time to figure out the jargon. There are many ways engineers call the pins. TX is "Transmit Line" because it sends a signal to wherever it's connected. RX is "Receive Line"...
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    Do you think an open source library integration...

    Do you think an open source library integration would help?

    https://aubio.org/ - looks like a neat library for detecting things in audio streams. (Wow, it's used for this Burning Man project too!:...
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    This concept is interesting to me. I'm in the...

    This concept is interesting to me. I'm in the pro-audio world and this type of thing is always wanted for so many reasons. If you look at the "DJ Effect Lights" out there such as "American DJ...
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    Hello, I'm in need of some help. I have a...

    Hello,

    I'm in need of some help.

    I have a single I2S input and a I2S output (as coded in my previous post). Now I'm trying to add a PCM1865. This ADC utilizes TDM to accept the 4 channel...
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    Because curious minds wanted to know... My...

    Because curious minds wanted to know...

    My code was very simple.


    // Code taken from
    // Advanced Microcontroller-based Audio Workshop
    //
    //...
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    Interesting. Using your method you might find...

    Interesting.

    Using your method you might find that individual control over inputs may be more difficult to volume level. The 3206 only has two PGA's (programmable gain amplifier). So you have one...
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    According to a TI forum post there is a PCM512x...

    According to a TI forum post there is a PCM512x driver that is register map compatible with the PCM5242. Maybe this will help me.
    ...
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    Woah! ...

    Woah!

    https://www.youtube.com/watch?v=M4a7UmBI4Ck
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    The Tympan Rev D...

    The Tympan Rev D is using the BC127. At some point I plan on looking at that project and how it's integrated.
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    I just received word from @chipaudette

    I just received word from @chipaudette
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    Hello, Although this doesn't pertain to the...

    Hello,

    Although this doesn't pertain to the PCM5102a, I didn't want to create a new thread because this project is related (let me know if I should). I purchased a PCM5242EVM and I've successfully...
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    I'm looking into adding Bluetooth to my audio...

    I'm looking into adding Bluetooth to my audio mixer project. Just reopening this thread to see if anyone has gotten bluetooth audio (send or receive) to work with the Teensy Audio Library or just in...
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    Hey, I missed this. It would be great to get...

    Hey, I missed this.

    It would be great to get the to tlv320aic3206 "controller" into the audio library. It would have made it easier for me to have stumbled on this, and of course just adds to the...
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    I successfully used the PCM5102A and it sounds...

    I successfully used the PCM5102A and it sounds much better than the Audio Shield.
    https://forum.pjrc.com/threads/53069-Teensy-with-PCM5102a-Module-via-I2S

    Ultimately, though I wish to use the...
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    Have you seen this?...

    Have you seen this?
    https://www.tindie.com/products/yoe/twi-a-teensy-based-usb-midi-woodwind-controller/
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    Hi Paul, Thank you very much for your reply....

    Hi Paul,

    Thank you very much for your reply. I have been actively working on this project.

    I was able to get this project moving with the sample parts, but now it's time for me to get it...
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    Hello Teensy, Would it make sense to create a...

    Hello Teensy,

    Would it make sense to create a Teensy Audio Bridge? Would anyone else be interested in that?

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    From my experience with my project, and digital audio projects in general...
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    I got the ADC working now too on my project. It's...

    I got the ADC working now too on my project. It's a PCM1808 module, another cheap board from ebay.

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    Here are the connections for the PCM1808 module.

    FMT = GND
    MD1 = GND
    MD0 = GND...
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    Update: I figured it out. PCM5102A / Teensy...

    Update: I figured it out.

    PCM5102A / Teensy 3.6
    VCC = Vin
    3.3v = NC
    GND = GND
    FLT = GND
    SCL = GND (also works connected to 11 /MCL)
    BCK = BCK (9)
    DIN = TX (22)
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    Teensy with PCM5102a Module via I2S

    Hello,

    I purchased an inexpensive PCM5102a module from ebay.

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    I put a teensy on a breadboard with it, and connected it using the information on this page...
  28. Controlling Teensy Audio Shield with USB MIDI

    Hello,

    I want to control the "dsp" functions through USB-MIDI.

    - Class Compliant USB Audio Device (https://www.pjrc.com/teensy/td_libs_Audio.html)
    + Class Compliant USB MIDI Device...
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