.SSEQ File Extension

Nintendo DS Sound Sequence File

Developer Nintendo
3.8  |  8 Votes

What is an SSEQ file?

An SSEQ file is an audio file saved in the Nintendo DS Sound Sequence (SSEQ) format. It is used by various games for the Nintendo DS, a portable game system that includes a touch screen. SSEQ files contain sounds and music for the game that are referenced for playback during gameplay.

More Information

SSEQ files can be found within .SDAT Nintendo DS sound data files, which are stored within .NDS ROM files. SSEQ files can be converted to the .MID format using sseq2mid. The midi2sseq program can convert MID files to the SSEQ format.

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Programs that open SSEQ files


Synclavier Sequence File

Developer Synclavier Digital
3.0  |  2 Votes

An SSEQ file may also be a sequence file created by Synclavier Digital SynclavierX, a digital synthesizer application. It contains musical information, such as notes played, instruments, and tempo, in the Synclavier Sequence (SSEQ) format.

More Information

Synclavier Digital introduced the .sseq file extension as the file extension for its sequence files when it released version 3 of Synclavier in April 2015. The file extension replaced the .sq0data, .sq1data, etc. file extensions. If you have sequence files with these extensions, you can rename them with the .sseq file extension and open them in version 3 or later of Synclavier.

To create an SSEQ sequence file with version 3 or later of Synclavier, select File → Save As.... After saving an SSEQ file, you can close it, then re-open it later to continue modifying the sequence.

NOTE: Synclavier Digital discontinued SynclavierX.

How to open an SSEQ file

You can open an SSEQ file with Synclavier Digital SynclavierX in macOS. To open the SSEQ file with SynclavierX, select the SSEQ file in the "Sound File Import" window or click Sequence Files in the Synclavier Asset Library" window, then select the SSEQ file you would like to open.

How to convert an SSEQ file

Synclavier Digital SynclavierX can convert SSEQ files to the following formats:

  • .AIFF - Audio Interchange File Format
  • .CAF - Core Audio File
  • .WAV - WAVE Audio File

Programs that open SSEQ files

Synclavier Digital SynclavierX

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