BS ISO 22234-2006 电影摄影.电影多路声道系统的相对和绝对声压级.适用于类似照相软片音频、数字照相软片音频和数字影院声音的测量方法和声级
Cinematography - Relative and absolute sound pressure levels for motion-picture multi-channel sound systems - Measurement methods and levels applicable to analog photographic film audio, digital photographic film audio and D-cinema audio
ISO 22234:2005 specifies the measurement methods and wide-band sound pressure levels for motion-picture control rooms, review rooms, and indoor theatres. Together with ISO 2969, it is intended to assist in standardization of reproduction of motion-picture sound in such rooms.