Sox – The Swiss Army knife of sound processing

SoX is a cross-platform command line utility that can convert various formats of computer audio files into other formats. It can also apply various effects to these sound files, and, as an added bonus, SoX can play and record audio files on most platforms.

Sox

Sox sample session

Website
Features
Download
Documentation
Scripts
FAQ

NirCmd – Windows command line tool

NirCmd is a small command-line utility that allows you to do some useful tasks without displaying a user interface. By running NirCmd with simple command-line options, or via a shortcut, you can decrease or increase the system volume, mute or unmute the system volume, speak the text currently in the clipboard or text file, change the default sound device, display a list of sound devices, change the volume of an app, change the display settings, turn off the monitor, open the door of a CD-ROM drive and more…

Website
Command Reference
Change Default Sound Device
List Sound Devices
Change System Volume
Change App Volume

BatchEncoder ~ An opensource freeware audio conversion frontend

BatchEncoder

BatchEncoder is an audio files conversion software. It supports most of popular audio file formats including lossy and lossless compression. The program is very simple to use. BatchEncoder is basically GUI front-end for command-line tools. All it does is create background processes and pass arguments to it with options set in presets/format menu and additionally adds input and output file paths.

Website
Discussion ~ Hydrogen Audio
GitHub file repository

YAFS – Changing song order on USB sticks

 

Some players display, or play files, in the order that the file was originally copied to a USB drive or stick. YAFS (Yet Another FAT Sorter) allows the order to be changed to whatever you prefer. YAFS is a multi-platform, open source, freeware, command line utility with a GUI (Graphical User Interface).

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ORBAN Loudness Meter

ORBAN Meter

This software simultaneously displays instantaneous peaks, VU, PPM, CBS Technology Center loudness, and ITU BS.1770 loudness. All meters include peak-hold functionality that makes the peak indications of the meters easy to see.

The software accepts two-channel stereo inputs. The VU and PPM meters are split to indicate the left and right channels. The PPM meter also displays the instantaneous peak values of the L and R digital samples. ~ Hydrogen Audio

Source: ORBAN Loudness Meter

 

Foobar2000 – Hierarchical Playlists Using Playlist Organizer (foo_plorg)

The Playlist Organizer component allows playlists to be organized into folders.

  1. Install the foo_plorg component
  2. Create a new panel, add playlist organizer

capture-foobar2000-dui-foo_plorg

Importing playlists using foo_plorg and foo_playlist_revive

  1. Drag and drop a playlist file(s) on Playlist Organizer panel
  2. Install foo_playlist_revive
  3. Select Edit > Revive Dead Items

Note: The imported playlist will have the same name as the original playlist filename.

Resources:

Playlist Organizer foo_plorg)-Hydrogenaudio
foo_playlist_revive – Hydrogenaudio
Foobar2000 – How to install a component

REW – Room EQ Wizard – Freeware Acoustic Analysis

aftereq500h

REW is free room acoustics analysis software for measuring and analyzing room and loudspeaker responses. The audio analysis features of REW help you optimize the acoustics of your listening room, studio or home theater and find the best locations for your speakers, subwoofers and listening position.

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Plugin

Convolver – A Convolution Plugin