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Octave Filters

Description#

The filter block Octave Filters filters a signal through an octave filter bank. The octave analyser is designed based on IEC 61260-1:2014 and the specifications in the attributes. The octave filters are class 1 which is the best filter class

tip

If you want to use an octave analyser go here.

Mx1MxN

Input#

The input is a single channel Mx1.

Output#

The output is MxN which is the input data filtered by N octave filters based on the specifications.

Attributes#

AttributeValue
NameOctaveFilters
Bands pr. octaveโ˜ 3
Start frequencyโ˜ 20 Hz
Stop frequencyโ˜ 20.000 Hz
Base10
Reference frequencyโ˜ 1000 Hz
Channels1

Values with โ˜ can receive external input.

Name#

Name specifies the name of the block.

Bands pr. octave#

Bands pr. octave is the number of bands pr. octave. Maximum is 24 bands pr. octave.

Start frequency#

Start frequency is the frequency which the lowest octave band must contain.

Stop frequency#

Stop frequency is the frequency which the highest octave band must contain.

Base#

Base is a design parameter which can either be 10 or 2. For default standard octave filters it is 10.

Reference frequency#

Reference frequency is a design parameters. For default standard octave filters it is 1000 Hz

Literature#