A4tune uses jfftpack:
- jfftpack is a Java version of fftpack. jfftpack is based on Paul N.
Swarztraubre's Fortran code and Pekka Janhuen's C code.
- The translation to Java was done by Baoshe Zhang.
- The original fftpack was public domain, so jfftpack is public domain
too.
Special thanks to:
- Alberto Nudman for Spanish translations.
- Albert Vitó i Godina and Xavier Conde Rueda for Catalan translations.
- Arseny Plokhikh for Russian translations.
- Eduardo Klosowski for Brazilian Portuguese translations.
- Eugene Sizov and Oleksandr Rizun for Ukrainian translations.
- Francesco Rotondella for Italian translations.
- Fuat Filizkol, Seckin Şahbaz and Tamer Karabulut for Turkish translations.
- Hegyi Zoltán and Stolczenberger Róbert for Hungarian translations.
- Jean-Marc Lartigue for French translations.
- Jędrzej Wojtkowiak, Maciej Michalczyk, Marcin Skulski and Paweł Marciniec for Polish translations.
- Jim Harris for corrections of the English texts.
- Finnish translator who prefers anonymity for Finnish translations.
- Konstantinos Bedoya for Greek translations.
- Mike Ho @HK for Chinese (Traditional) translations.
- Christian Frank, Peter Hahn, Axel Matthia and Mark Paede for German translations.
- Richard Boer for Dutch translations.
- Taeyeong Kim for Korean translations.
- Takayuki Gunge and Tamaki Gunge for Japanese translations.
- Vincent Mozdík for Slovak translations.