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Get the list of valid ANSI S1.11-2004 center frequencies



centerFrequencies = getANSICenterFrequencies(octFilt) returns a vector of valid center frequencies as specified by the ANSI S1.11-2004 standard.


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Create an object of the octaveFilter System object™. Call getANSICenterFrequencies to get a list of valid center frequencies.

octFilt = octaveFilter;
centerFrequencies = getANSICenterFrequencies(octFilt)
centerFrequencies = 1×15
103 ×

    0.0005    0.0010    0.0020    0.0040    0.0079    0.0158    0.0316    0.0631    0.1259    0.2512    0.5012    1.0000    1.9953    3.9811    7.9433

Input Arguments

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Object of the octaveFilter System object™.

Output Arguments

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Center frequencies specified by the ANSI S1.11-2004 standard, returned as a vector.

The range for computing valid center frequencies is 3 Hz to (Fs/2) Hz, where the SampleRate property of your octave filter defines Fs.

Data Types: single | double

Introduced in R2016b