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Freelog 6
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Anvil Studio
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mstudioZ.exe
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FILTER.HT_
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FILTER.HT
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1998-03-02
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1KB
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25 lines
<HTML>
<BODY BACKGROUND="BGnd.jpg">
A <b>low-pass</b> filter lets low-frequency sounds remain,
and tries to eliminate frequencies above a specified cutoff frequency.
For example, to eliminate high-pitched scratching sounds, use this with
the high frequency set to 12000 Hz.
<br>
<br>
A <b>high-pass</b> filter lets high-frequency sounds remain,
and tries to eliminate frequencies above a specified cutoff frequency.
If the entire wave is above or below the zero-line, and you want to bring it
closer to zero, try doing a high-pass filter with the lowest frequency allowed set to 10.
<br>
<br>
A <b>band-pass</b> filter lets sounds between the specified low and high
cut-off frequencies remain, trying
to eliminate frequencies outside this band.
<br>
<br>
A <b>band-stop</b> filter tries to eliminate sounds between the specified
low and high cut-off frequencies. For example, use this to eliminate a 60 Hz hum,
set the low frequency to 58, the high frequency to 62.
</body>
</html>