AES Standards News Blog

New project - Current procedures to calibrate the cinema B-Chain

New project AES-X215 Current procedures to calibrate the cinema B-Chain has been initiated and assigned to AESSC Working Group SC-04-08.

This project will liaise with SMPTE TC-25CSS in their project to Codify current procedures as used by skilled theater technicians to calibrate the Cinema B-Chain. The project will consider comments as appropriate for communication to SMPTE.

Current standards for B-chain calibration include ST202 and ISO 2969 which have been used since the mid 1970s, however the effectiveness of this calibration still varies widely. Measurement equipment and technology has evolved since these standards were made. No standardized procedure exists for using modern technology (such as dual DFT-based transfer-function technology) to calibrate cinema theater B-chain systems.

http://www.aes.org/standards/meetings/init-projects/aes-x215-init.cfm

http://www.aes.org/standards/development/membership.cfm


Posted: Monday, March 18, 2013

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