---
name: "fastconv-float"
section: "1"
platform: "linux"
package: "kissfft-tools"
version: "131.1.0-4.1~deb13u1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/fastconv-float"
---

# fastconv-float(1)

Direct Fast Fourier Transformation CLI tool

## NAME

fastconv\_float - Direct Fast Fourier Transformation CLI tool

## USAGE

- **-n** nfft

  fft size to use

- **-d**

  use direct FIR filtering, not fast convolution

- **-i** filename

  input file

- **-o** filename

  output(filtered) file

- **-n** nfft

  fft size to use

- **-h** filename

  impulse response