APD contributors:
Content Development
Head, Main Concept & Development
- Takayuki ARAI
Additional Concept & Content Development
- Kanae AMINO (Main concept development)
- Yoko SAIKACHI (VOT)
- Takashi ARAI (Lungs Part 1, 2)
- Keiichi YASU
- Hinako MASUDA
- Kanako TOMARU (VOT, English /r/ vs. /l/, /ba/-/da/, categorical perception)
- Tatsunori ENDOH (/de/vs. /ge/)
Technical Support
Content
- Yu SAKAMOTO (Content development support)
Website Administration
- Keiichi YASU
- Hinako MASUDA
- Kanako TOMARU
- Takehiro SANNOHE
- Tatsuya IWANAMI
- Tatsunori ENDOH
- Yuki MAEDA
Video Edit & Upload
- Keiichi YASU
- Takehiro SANNOHE
- Tatsuya IWANAMI
- Otodesigners Co., Ltd. (“Vowels in F1-F2 chart”)
Language Support
- Terri LANDER
*This work was partially supported by JSPS KAKENHI Grant Numbers 24501063, 15K00930, 18K02988, and 21K02889 from the Japan Society for the Promotion of Science.