sound card with matlab

Discussion in 'Programmer's Corner' started by eng.zaid, Mar 2, 2008.

  1. eng.zaid

    Thread Starter Member

    Dec 6, 2007
    10
    0
    Hi,

    please i need help in matlab ,i found in matlab tools that can be used as generator and oscilloscope , so i need an explantion how to use these tools
    becuase i tried but didnt work with me.

    Thnk you.
     
  2. Dave

    Retired Moderator

    Nov 17, 2003
    6,960
    144
    What are you using in Matlab for a generator and oscilloscope? Or are you using Simulink?

    Dave
     
  3. eng.zaid

    Thread Starter Member

    Dec 6, 2007
    10
    0
    Hi,
    Mr.Dave I tried to connect to sound card using toolbox in matlab which is group of data accuistion as i think ,so may you tell me how to use these tool with sound card or may you tell me how to use matlab to take data from parallel port and do some analysis and draw it if that happen.
    I hope you help me.

    Thank You Mr.Dave
     
  4. Dave

    Retired Moderator

    Nov 17, 2003
    6,960
    144
    Without knowing what you have used in the DA toolbox and Matlab to read via the sound card, there is not a lot I can suggest.

    If you are looking at taking data from a parallel port and doing some "analysis", it would also help to know what "analysis" you are trying to do, or draw.

    Dave
     
  5. eng.zaid

    Thread Starter Member

    Dec 6, 2007
    10
    0
    Hi,
    Mr.Dave thank you for your attention to my subject i will tell you i want directly.

    I need to know how to write program in matlab to display the ElectroCardioGram (ECG) signal.
    [​IMG]

    [​IMG]

    I first get the signal from an electronic circuit as analog signal the i converted it to digital data using 8-bit ADC (Analog to Digital Converter) connected to the parallel port.
    And all i need is how to display this signal after converting it to digital data and conneting it to LPT parallel port.
    I hope you help me.

    Thank You.
     
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