S3M

Last updated
S3M
Filename extension
.s3m
Internet media type
audio/s3m
Magic number "SCRM" (4 characters) at offset 44
Developed bySami Tammilehto
Initial release1994-04-18
Type of format Module file format
Extended fromSTM, MOD [1]

S3M (Scream Tracker 3 Module) is a module file format, the successor to the STM format used by the original Scream Tracker. Both formats are based on the original MOD format used on the Amiga computer.

Contents

The S3M format has many differences compared to its predecessors.

The period table used by S3M is smaller than the one used by the MOD format (only 12 entries, compared to between 36 and 60 for the MOD variations) and uses larger values in order to be able to compute the extra-fine pitch slides. The playback routines, however, use relatively straightforward formulas to get the final period values used in playback. The key formula for this takes into account the instrument's stored sample rate at middle C.

One feature of the S3M format which is seldom used, is the format's support for FM instruments. These were designed to be played back on sound cards that included an OPL2 or compatible FM synthesis chip. More recently, with the necessary CPU power available, it is possible to perform the same synthesis in software. Two examples of such software are the Adplug plugin for the Windows audio player Winamp and the open-source audio module tracker OpenMPT as of version 1.28.01.00. [3]

Media player support

S3M files released on the Demoscene's music scene in the 1990s were commonly played on PCs using dedicated mod/s3m players (such as DMP) or using the tracker software (like Scream Tracker). Some more-common/contemporary music players can play these files, although fidelity to original sound and results can vary according to the individual file.

Software includes:

See also

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References

  1. 1 2 Kameñar, Vladimir (2021). Demoscene, el Arte Digital (in Spanish). Colombia: CelerSMS. p. 31. ISBN   978-958-53602-1-1. OCLC   1269270953.
  2. Wesley, Dan; Wesley, Judith (1997). Web Developer's Marketplace. Coriolis Group. p. 268. ISBN   978-1576101780.
  3. "OpenMPT 1.28.01.00 released". 23 December 2018.
  4. "VLC - Features - VideoLAN".
  5. "AIMP".
  6. "JetAudio".