| 2017 | Interspeech | Perception of Non-Contrastive Variations in American English by Japanese Learners: Flaps are Less Favored Than Stops. | Kiyoko Yoneyama, Mafuyu Kitahara, Keiichi Tajima |
| 2013 | Interspeech | Is the vowel length contrast in Japanese exaggerated in infant-directed speech? | Keiichi Tajima, Kuniyoshi Tanaka, Andrew Martin, Reiko Mazuka |
| 2011 | Interspeech | Perceptual Training of Vowel Length Contrast of Japanese by L2 Listeners: Effects of an Isolated Word versus a Word Embedded in Sentences. | Mee Sonu, Keiichi Tajima, Hiroaki Kato, Yoshinori Sagisaka |
| 2010 | Interspeech | The effect of a word embedded in a sentence and speaking rate variation on the perceptual training of geminate and singleton consonant distinction. | Mee Sonu, Keiichi Tajima, Hiroaki Kato, Yoshinori Sagisaka |
| 2009 | Interspeech | Perceptual training of singleton and geminate stops in Japanese language by Korean learners. | Mee Sonu, Keiichi Tajima, Hiroaki Kato, Yoshinori Sagisaka |
| 2002 | Interspeech | Perceptual learning of second-language syllable rhythm by elderly listeners. | Keiichi Tajima, Reiko Akahane-Yamada, Tsuneo Yamada |
| 2001 | Interspeech | Neural processes underlying perceptual learning of a difficult second language phonetic contrast. | Daniel E. Callan, Keiichi Tajima, Akiko E. Callan, Reiko Akahane-Yamada, Shinobu Masaki |
| 2000 | Interspeech | Factors affecting native Japanese speakers' production of intrusive (epenthetic) vowels in English words. | Keiichi Tajima, Donna Erickson, Kyoko Nagao |
| 1994 | Interspeech | Dialog context dependencies of utterances generated from concept reperesentation. | Yoichi Yamashita, Keiichi Tajima, Yasuo Nomura, Riichiro Mizoguchi |