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ABX

NAME

abx − audio ABX testing software

SYNOPSIS

abx [ OPTIONS... ] < SAMPLE−A > < SAMPLE−B >

DESCRIPTION

abx is a program for performing software-based audio ABX testing on GNU/Linux systems. ABX test (Wikipedia, Hydrogenaudio) is a statistical test for assessing whether you are able to tell for audible differences between two samples. For example, one sample can be a compressed audio file such as OGG Vorbis file and another one its uncompressed variant ( WAV, AU, ... ). You can then use abx to infer whether you are able to separate the two samples due to compression artifacts.

OPTIONS

Application Options
−i
N, −−num−trials=N

Do N trials.

−d ID , −−audio−device= ID

Use PortAudio audio device ID

−−display== DISPLAY

X display to use

Help Options
−−help
, −h

Show help options

−−help−all

Show all help options

−−help−gtk

Show GTK+ options

GTK+ Options
−−class
= CLASS

Program class as used by the window manager

−−name= NAME

Program name as used by the window manager

−−screen= SCREEN

X screen to use

−−sync

Make X calls synchronous

−−gtk−module= MODULES

Load additional GTK+ modules

−−g−fatal−warnings

Make all warnings fatal

AUTHOR

abx is written by Petteri Hintsanen <petterih AT iki DOT fi> and is licensed under the GNU General Publication License, version 3 or above.

This manual page was written by Chow Loong Jin <hyperair AT debian DOT org> for the Debian system (but may be used by others). Permissions is granted to copy, distribute, and/or modify this document under the terms of the GNU General Public License, Version 3 or any later version published by the Free Software Foundation.

On Debian systems, the full text of the GNU General Public License, Version 3 can be found in /usr/share/common−licenses/GPL−3.

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