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
If you want to use an octave analyser go here.
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
| Attribute | Value |
|---|---|
| Name | OctaveFilters |
| Bands pr. octave | ☐ 3 |
| Start frequency | ☐ 20 Hz |
| Stop frequency | ☐ 20.000 Hz |
| Base | 10 |
| Reference frequency | ☐ 1000 Hz |
| Channels | 1 |
Values with ☐ 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