Music premix

Original composition

Sound design

Stereo, 5.1 & Dolby Atmos mixing


Sound that serves the story, from production through to final mix

We work with directors and producers across feature film, short film, documentary, and streaming content, handling everything from dialogue editing through to sound design, and final mix for stereo, 5.1, and Dolby Atmos.

Work With Us From Anywhere

Not in Japan, or can't make it to the studio? No problem. With Source-Connect and cameras throughout, you can monitor and collaborate with us in real time from anywhere in the world.

Selected work

Sound Factory managed the complete range of audio production and post-production services, from production sound to ADR, sound design, foley, 5.1 theatrical mix & stereo mix, excluding only the music.


Sound design and stereo mix for this Chinese feature film, shot on location in Yunnan.

Production sound

While our background spans the full production workflow, including production sound on feature films and streaming productions, our focus today is post-production: sound design, mixing, and composition.

Production sound for the Japan location shoot, working alongside one sound team member from Israel. Saving Shuli San became Israel's all-time best box office film, crossing 1.3 million viewers and receiving a special award from the Israeli Academy of Film and Television. Premiered July 2025.


Production sound for the Japan location shoot of this US fantasy feature, distributed by Shout! Studios.


Production sound for the Japan episode "Copycat" of this Netflix documentary series. Cat People received four Daytime Emmy nominations, winning one.