Entis Rasterized Image format

• Extensions: eri, mio, mei
• Specification (Japanese): http://www.entis.jp/eridev/download/bin/erinaf.lzh

ERI (Editing Entis Rasterized Image format) is a format developed by Entis-soft and Leshade Entis (handle or group?). This format can use for image, audio and video. This format is used by some PC games and game engines in Japan.

The basic image format was named ERI (Entis Rasterized Image format). The extra image format was named ERINA (Entis Rasterized Image Native Algorithm format). The audio format was named MIO (Music Interleaved and Orthogonal transformed format). The movie format was named MEI (Moving Entis Image format).

Those are format name, not codec name but those format is based on one spec.