NDS Sound Extractor is a command line program to extract sound sequences and samples as .midi and .wav from a DS ROM. The original site for it does not have the program anymore, so you may get it from here: [1].
Usage[]
Usage : ndssndext.exe [options] <file...>
Options:
-x extract files only(no decoding)
-s show processing status
--help show this usage
You can also drag an .nds ROM onto the program and it will automatically create a folder and extract mid and wav files inside subfolders named Sequence, Stream and WaveSample.
Extracting Raw Data[]
This program can also extract the raw .sseq, .strm and .swar files without converting them with the "-x" option:
ndssndext.exe -x file.nds
