info

Get filter information

collapse all in page

Syntax

infoStruct = info(obj)

Description

example

infoStruct = info(obj) returns a structure, infoStruct, containing information about obj.

Examples

collapse all

Get Graphic Equalizer Standards-Based Frequencies

Open Live Script

Create a graphicEQ System object™. Call info to return a structure containing standards-based center, edge, and preferred frequencies.

equalizer = graphicEQ;
info(equalizer)

ans = struct with fields:
       CenterFrequencies: [31.6228 63.0957 125.8925 251.1886 501.1872 ... ]
         EdgeFrequencies: [22.3872 44.6684 89.1251 177.8279 354.8134 ... ]
    PreferredFrequencies: [31.5000 63 125 250 500 1000 2000 4000 8000 16000]

`octaveFilterBank` Info

Open Live Script

Create a default octaveFilterBank. Call info to return a struct containing information about the octave filter bank.

octFiltBank = octaveFilterBank;

infoStruct = info(octFiltBank)

infoStruct = struct with fields:
      CenterFrequencies: [31.6228 63.0957 125.8925 251.1886 501.1872 ... ]
    BandedgeFrequencies: [22.3872 44.6684 89.1251 177.8279 354.8134 ... ]
            GroupDelays: [630.0160 315.7551 158.2517 79.3121 39.7471 ... ]

`gammatoneFilterBank` Info

Open Live Script

Create a default gammatoneFilterBank. Call info to return a struct containing information about the octave filter bank.

gammaFiltBank = gammatoneFilterBank;

infoStruct = info(gammaFiltBank)

infoStruct = struct with fields:
    CenterFrequencies: [50.0000 82.1776 118.0670 158.0966 202.7439 ... ]
           Bandwidths: [30.6688 34.2080 38.1555 42.5583 47.4691 52.9463 ... ]
          GroupDelays: [330.1033 295.5650 264.8688 237.2999 212.5619 ... ]