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.
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