Audio Tools Library

mac.sourceforge.netsite

. [Delphi] For manipulating many audio formats file information. // Abandoned since 2005.

similar

NewAC - New Audio Components code.google.com
site category #pascal link ↗

(abandoned, list of forks on GH here). [Delphi] Designed to help your Delphi programs perform different sound processing tasks. With NewAC you can play audio stored in many formats (wav, Ogg Vorbis, FLAC, Monkey Audio, WavPack, MP3, Windows WMA, DTS, AC-3 (Dolby Surround), VOB…
Audorra sourceforge.net
site category #pascal link ↗

. [Delphi] [FPC] Digital audio library for Delphi and Freepascal. Using a flexible plugin architecture, it allows you to exchange the audio backend (e.g. WaveOut, OpenAL), add protocol classes (e.g. file, http) and decoders.
TagLib github.com
tool category #cpp link ↗

A library for reading and editing the metadata of several popular audio formats. [LGPL/MPL] website
Delphi ASIO & VST Project sourceforge.net
site category #pascal link ↗

. [Delphi] Framework for writing applications using the ASIO interface and VST plugins. It comes with countless DSP algorithms all demonstrated in dozens of examples. // Not very active lately, but the trunk is in a usable state
AudioFile github.com
tool category #cpp link ↗

A simple C++ library for reading and writing audio files. [MIT]
LineAudio github.com
tool category #gamemaker link ↗

Audio helper functions.

Pascal › Audio: “. [Delphi] For manipulating many audio formats file information. // Abandoned since 2005.”