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Questions about OMAPL137 EVM for microphone array signal processing

Bo Li53615
Prodigy 215 points
Other Parts Discussed in Thread: OMAP-L137

I'm really new to OMAPL- series and now I will develop a microphone array speech signal processing (enhancement) platform  on OMAP-L137 EVM (I only got this board).

So, I got one question: can anybody give me any advice that which audio board should I choose directly be used for my project? I have got a 8-element microphone array without preamplifier.

Here is my project basic needs: record using microphone array, after processing (this is my main focus) by DSP algorithm the data will be stored in the SD card.

Maybe I'll extend functions of USB in order to communicate with PC and keystroke to start, stop, and reply.

I have to ask for advice for the following questions in order that I can focus on the right direction of this work:

   The first one,  can I finish the basic needs of this project only use DSP cores? is DSP/BIOS essential for my project?  I really feel headache about embedded linux on arm and the complex communication procedures between ARM and DSP. But I'll work hard on these technics if they are vital to this project.

  The second one, can anybody list the most useful examples which can be helpful for my project? If there is an example with similar structure, I could get to the main point as soon as possible.

  I'll appreciate everyone reply to me.

 

Libo

  • 0
    TI__Mastermind 24340 points

    Bo Li said:
    The first one,  can I finish the basic needs of this project only use DSP cores? is DSP/BIOS essential for my project?  I really feel headache about embedded linux on arm and the complex communication procedures between ARM and DSP. But I'll work hard on these technics if they are vital to this project.

    Depending on what you want to implement you might not use the ARM. You can use only the DSP side (C6747). For the DSP, you probably want to use DSP/BIOS as the bulk of our software is based on it. Please see:

    http://processors.wiki.ti.com/index.php/Getting_Started_Guide_for_C6747

    In the installation part you can get the USB stack and the Filesystem to run on top of DSP/BIOS.

    Bo Li said:
    The second one, can anybody list the most useful examples which can be helpful for my project? If there is an example with similar structure, I could get to the main point as soon as possible.

    To get the software please see the link above.