Borland c++ builder draw waveform

This is a discussion on Borland c++ builder draw waveform within the Windows Programming forums, part of the Platform Specific Boards category; How can i display the pcm wavform by using BCB. Just like "Gold Wave" and "CoolEdit". I have tried to ...

  1. #1
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    Borland c++ builder draw waveform

    How can i display the pcm wavform by using BCB.

    Just like "Gold Wave" and "CoolEdit".

    I have tried to use some vcl components(e.g teechart) but they store data in memory.

    So when displaying huge data, the system will run out of memory.

    I don'n know how to do it in a better way.Please give some help.


    thanks for any help you can give

  2. #2
    and the hat of wrongness Salem's Avatar
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    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.
    I support http://www.ukip.org/ as the first necessary step to a free Europe.

  3. #3
    and the hat of wrongness Salem's Avatar
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    What do you mean by "huge data"?
    You're not trying to display the waveform for 60+ minutes of a CD on say 1280 pixels of horizontal resolution are you?

    I would expect that the controls you have would work just fine, if you did a bit of filtering work up front yourself.
    If you dance barefoot on the broken glass of undefined behaviour, you've got to expect the occasional cut.
    If at first you don't succeed, try writing your phone number on the exam paper.
    I support http://www.ukip.org/ as the first necessary step to a free Europe.

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