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Loudness Sound System
Developer: Andras Molnar
Header: Absent
Content: Notational
Instruments: Combined
Target Output
Output - Digital Audio - No.png Output - MIDI.png Output - FM Synthesis.png Output - PSG - No.png
Released: 1993-12-??
First Game: Black Sect (DOS)
  • *.lds

The Loudness Sound System is a tracker programmed by Andras Molnar from 1993 to August 11, 1996. It is famous for playing high-quality instruments on the Ad Lib Music Synthesizer Card, mainly through software vibratos, pitch bends for fatter drums, and volume changes for echoes, most of which Molnar had experienced on the Commodore 64.

Composers have different accounts on how Loudness was used. Matthias Steinwachs wrote in PC Games 4/95 that he arranged directly in the Loudness system and sent the finished songs to Molnar, who then sent "usable" files to the game developers for a fee, due to which he refused to make Loudness publicly available. Later, both Steinwachs and Alexander Brandon recalled that their ROL files were sent to Molnar, who sent back LDS files. Péter Varga possibly got to use Loudness directly, having known Molnar since 1990 and being jointly credited as Loudness.

In almost all games, every Loudness song is named like *.dat when other files in the same games have unique extensions. *.lds was possibly popularized by RdosPlay.



Neither of these players supports older files (with 6 bytes less per instrument) yet.



LDS to ?

? to LDS


Released Title Sample
1993-12-?? Black Sect (DOS)
1994-01-?? Zeppelin: Giants of the Sky (DOS)
1994-0?-?? Vroom (DOS)
1995-0?-?? Die Sage von Nietoom (DOS)
1995-0?-?? Der rasende Reporter (DOS)
1995-0?-?? Hattrick! (DOS)
1995-0?-?? Hollywood Pictures (DOS)
1995-0?-?? Dark Universe (DOS)
1995-0?-?? Fuzzy's World of Miniature Space Golf (DOS)
1995-??-?? Tyrian (DOS)
1995-??-?? Cold Dreams (DOS)
1996-??-?? Dig It! (DOS)

How to Obtain

LDS files usually need to be extracted from game resource files, a process that is different for nearly every game that uses the format.