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Thread: Any clue how .wav files REALLY work?

  1. Sep 16th, 2000, 11:28 PM #1
    krah
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    Question

    I was wondering, how does a .wav file get chopped up and made into sound? When I open a .wav in a dos text editor, it is a bunch of ASCII characters in certain patterns.

    To make sound, you need a frequency and a volume level, right? So what in that .wav file is the frequency and what is the volume level?

    Has anyone seen websites that would explain the inner working of file types like this one or others such as .mp3, .avi's even? If I figured this out I thought I could maybe compile a working .wav file from inside my program with different frequency and volume controls. Possible?
    Is it tired in here or is it just me?

    Ryan Williams
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  2. Sep 17th, 2000, 10:37 AM #2
    Yonatan
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    It's called file formats.
    Depending on the file type, it can be a very easy subject (example - TXT files) or a harder one (example - ZIP files).
    Excellent reference site: Wotsit's Format - The programmer's resource
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  3. Sep 17th, 2000, 09:15 PM #3
    krah
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    Thumbs up

    Yeah I knew it was called file formats, but anyway the website you listed is awesome! Graciaso Seniorato Yonatano.
    Is it tired in here or is it just me?

    Ryan Williams
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  4. Sep 18th, 2000, 04:09 AM #4
    kedaman
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    I made a module once that can be used to manipulate wave files:
    http://209.207.250.147/showthread.php?threadid=14791
    Use
    writing software in C++ is like driving rivets into steel beam with a toothpick.
    writing haskell makes your life easier:
    reverse (p (6*9)) where p x|x==0=""|True=chr (48+z): p y where (y,z)=divMod x 13
    To throw away OOP for low level languages is myopia, to keep OOP is hyperopia. To throw away OOP for a high level language is insight.
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