Shogo Watanabe Tsuyoshi Moriyama Shinji Ozawa Phonetic and intonation enhancement of speech for Japanese hearing-impaired speakers. 1429-1432 2008 ICME http://dx.doi.org/10.1109/ICME.2008.4607713 conf/icmcs/2008 db/conf/icmcs/icme2008.html#WatanabeMO08