This year's 46th issue of Kodansha's Weekly Shōnen Magazine is revealing on Wednesday that Kyoto Animation will produce the anime film adaptation of Yoshitoki Ōima's A Silent Voice (Koe no Katachi) manga. Additionally, the issue is revealing that Naoko Yamada (Tamako Market, Tamako Love Story, K-ON's two anime seasons and anime film) is directing the film, and Shochiku will distribute the film in Japan.
http://www.animenewsnetwork.com/news/2015-10-11/kyoto-animation-to-produce-a-silent-voice-film-with-director-naoko-yamada/.94031
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