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  1. Replies
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    @Blackaddr -- Thanks so much for your reply! ...

    @Blackaddr -- Thanks so much for your reply! Sorry for the beginner question, I still have a real tough time seeing the big picture. Thanks for the help. Sorry to say, I don't have your pedal, but I...
  2. Using signal processing features in the SGTL5000

    From the documentation in the Audio System Design Tool, It says that autoVolumeControl Configures the auto volume control, which is implemented as a compressor/expander or hard limiter.

    It also...
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    I love the analog bypass feature you linked to. I...

    I love the analog bypass feature you linked to. I saw that feature in the sgtl5000 chip's documentation, but didn't think it was used in the Teensy Audio adaptor. I'd like to know how you were able...
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    If your samples vary in a consistent pattern,...

    If your samples vary in a consistent pattern, like the graph in post#6, you could just pad the beginning of the sample with silence. Have 4 separate samples trimmed with silence to offset the...
  5. That's great to hear, your feedback made the time...

    That's great to hear, your feedback made the time taken in writing the post TOTALLY worth it!

    If you do wind up getting the sound detection module that I linked to, let me know how it worked out....
  6. For my thinking, your approach has the advantages...

    For my thinking, your approach has the advantages of: less CPU demand (avoid continually scanning); simplicity (...there must be a simple way...); and letting the hardware do the heavy lifting...
  7. Finallly found the answer to this post

    OK NEVERMIND...

    I can't figure out how to delete this post, or at least add SOLVED to the title but, I found what I was after:

    https://www.pjrc.com/teensy/gui/?info=AudioInputUSB

    The passage...
  8. Audio library equivalent to pygame.event.pump?

    I seem to recall that the audio library needs to have periodic calls made to keep things flowing, similar to pygame.event.pump ? (from the docs: "...you will need to make some sort of call to the...
  9. Posted on 11-14-2017, 07:16 AM, Paul asks, I...

    Posted on 11-14-2017, 07:16 AM, Paul asks,

    I can reproduce a problem without JACK, using:

    arecord -f cd -v | aplay -D "hw:1,0" -v

    (which is all part of ALSA). This makes my RPi3 pipe music...
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    Still think that laser beams @ 44.1kHz is ludicrous

    I just placed my order for the T3.2 & audio adaptor, and I want to thank everyone for all the help. At this point I have to get some ESP8266s to play nice, so I'll be bugging the folks over at the...
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    Will Teensy 3.2 suffice for my project?

    Just a couple question before ordering a Teensy 3.2 & audio adaptor. My project is basically a simple stereo to mono digital mixer with real time control of gain levels and maybe high pass to...
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    I've been reading up a lot on audio...

    I've been reading up a lot on audio interconnection lately, and really liked this: When-should-an-audio-pre-amp-use-a-differential-input
    I think you might find it helpful. It was asked by a guitar...
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    OK, thanks, and the 11.6ms number is good to...

    OK, thanks, and the 11.6ms number is good to know. And by "audio block device", do you mean any/every item that gets dragged from the left side menu into the editing area? So if I just had, say, ...
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    Balanced output from audio shield

    I've been looking over the Audio System Design Tool, and under the Mixer section, the gain command says ,"Negative numbers may also be used, to invert the signal." If I have a mono signal on the...
  15. My project's main focus is just that, getting rid...

    My project's main focus is just that, getting rid of the hum that plagues the sound system. I've found UNDERSTANDING, FINDING, & ELIMINATING GROUND LOOPS by this cat, Bill Whitlock (a Senior Member...
  16. Wow thanks SO much, it would have taken me weeks...

    Wow thanks SO much, it would have taken me weeks to get anywhere near that much tailored info. Since I 'm doing this project to "shore up" the sound system at my workplace, it needs to be done in a...
  17. Need clarification about I2C and the audio shield or other devices as INPUTs

    It says at https://www.pjrc.com/teensy/gui/index.html?info=AudioInputI2S that the audio shield uses I2S, but at https://www.pjrc.com/store/teensy3_audio.html the pin usage table for the Audio...
  18. Yeah, I got the PS2keyboard working today without...

    Yeah, I got the PS2keyboard working today without injury or loss of property. The Teensy Threads > Tests really blew my mind, though. Got ahead of myself... I did manage to learn how to manually...
  19. Thanks for the quick reply. But I must say, y'all...

    Thanks for the quick reply. But I must say, y'all are way over my head with your answers. Remember, I said that I've never even used a Library before! I'm going for down'n'dirty here, not 100%...
  20. How much time does it take to execute a digitalWrite instruction on Teensy 3.2?

    I've been reading https://learn.adafruit.com/ir-sensor where it says that a digitalWrite "takes about 3 microseconds to happen" (they use an Arduino board, but don't specify what model). It's a...
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    A couple of things in your post echo some of my...

    A couple of things in your post echo some of my own efforts in the project I'm working on now. I hope I'm not out of line butting in on your post, with me being quite noobish etc.

    It sounds like...
  22. Teensyduino Pi tames WAN mouse: Beavis nears the finish line!

    Thanks for the help with Teensyduino and Teensy Loader you gave about one month ago. Things are actually starting to come together for Beavis (finally!) I can now remotely upload code to my...
  23. Yes, all I need the Pi to do is to remotely...

    Yes, all I need the Pi to do is to remotely upload to Teensy. Running the Teensy loader via CLI sounds ideal for simply saying "upload THIS file". But best of all is having only one install, rather...
  24. Thanks so much for the guidance and quick reply....

    Thanks so much for the guidance and quick reply. I didn't use the terminal window apt-get to install the Arduino IDE, but the GUI version from the desktop main menu (which I suspect is like a...
  25. How to run Teensyduino installer for Raspberry Pi

    How do I run the Teensyduino installer for Raspberry Pi? When I try to run the installer (ARM / Raspberry Pi version downloaded from your site), the Pi wants to know what I wanted to use to open an...
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    Thanks for your reply, and like, WOW! in only...

    Thanks for your reply, and like, WOW! in only seven minutes!! Anyway, what do you mean by "...politely bump your post.", and how is it done? I have actually just completed my project (in only a...
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    Thanks for the reply. Now that I've gotten...

    Thanks for the reply. Now that I've gotten replies, I feel a bit embarrassed about the tone my post. Looking back, I'd say it was part frustration, part attention getting, and partly my own character...
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    Wow! Thanks for answering, you are the only one...

    Wow! Thanks for answering, you are the only one ever to do so. I read the link you gave me, and (bear with me) I believe that your code requires the user to change some settings (like Control Panel,...
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    Are "newbies"unwelcome here?

    I have already posted in Project Guidance and Technical Support & Questions but have not gotten a reply on either. Granted, the Project Guidance question might be stupid and boring for advanced...
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    The documentation here...

    The documentation here (https://www.pjrc.com/teensy/td_mouse.html) mentions an "ugly hack" for using mouse.moveTo in Linnux. The hack found here...
  31. Old timer newbie needs to get the ball rolling (re: the Mouse.moveTo "ugly hack")

    I'm stuck! My project has hobbled along the past 2+ months by way of: (1)PC-WIN7-python-SOCKETS-client --> WAN --> (2) RasPi-python-SOCKET-server-GPIOs --> 17conductor-RIBBONcable --> (3)...
  32. Send mouse event data over the internet to a Raspberry Pi controlled TEENSY.

    I have python3 installed on WIN 7 in hopes of writing a little code to monitor the mouse, and send event data over the internet to a Raspberry Pi, which will control a TEENSY 3.2 disguised as a USB...
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