The latest development version of this page may be more current than this released 2.6.1-rc1 version.

CONFIG_MATH_FIR

FIR filter library

Type: bool

Help

This option builds FIR (Finite Impulse Response) filter library. It
is selected by components for their digital signal processing. A FIR
filter calculates a convolution of input PCM sample and a configurable
impulse response.

Direct dependencies

SOF

(Includes any dependencies from ifs and menus.)

Default

• n

Symbols that select this symbol

• COMP_FIR

• COMP_TDFB

Kconfig definition

At /home/nashif/zephyrproject/modules/audio/sof/zephyr/../src/audio/Kconfig:65

Included via Kconfig:8 → Kconfig.zephyr:23 → modules/Kconfig:6 → doc/_build/Kconfig/Kconfig.modules:14 → /home/nashif/zephyrproject/modules/audio/sof/zephyr/Kconfig:2 → /home/nashif/zephyrproject/modules/audio/sof/zephyr/../Kconfig.sof:124 → /home/nashif/zephyrproject/modules/audio/sof/zephyr/../src/Kconfig:9

Menu path: (Top) → Modules → sof (/home/nashif/zephyrproject/modules/audio/sof) → Audio components

config MATH_FIR
    bool "FIR filter library"
    default n
    depends on SOF
    help
      This option builds FIR (Finite Impulse Response) filter library. It
      is selected by components for their digital signal processing. A FIR
      filter calculates a convolution of input PCM sample and a configurable
      impulse response.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)