The home theater standard consists of two specifications: General specification for surround sound amplifier for home theater and general specification for combined speaker system for home theater. After the implementation of the two standards, it marks the end of the situation that there was no industry standard for home theater products in China.
Home theater
This standard specifies the technical requirements, test methods, quality evaluation procedures, marking, packaging, transportation and storage of ring fired sound amplifiers and platform speakers for home cinemas. This standard is formulated according to the technical characteristics of home theater products. The relevant technical requirements refer to other relevant national standards and industrial standards. According to the needs of mass star evaluation of home theater products, performance indexes such as “frequency to cover” and “maximum output noise voltage” are proposed in the technical requirements, The definition of home theater system is specified in the general specification for surround sound amplifier for home shadow raccoon, which clearly points out that the home audio-visual system with audio-visual effect of ring burning sound theater consists of surround sound amplifier (or the combination of surround sound decoder and multi-channel audio power amplifier), multiple (more than four) speaker systems It is composed of large screen TV (or projection TV) and high-quality A / V program source
Home theater standard
International standards:
ISO related audio and video standards
American Society of motion picture and Television Engineers related audio and video standards
Home theater
Ies IEC related audio and video standards
ITU-R international telecommunication intelligent radio communication department related audio and video standards
Thx related neck standards and suggestions
Dolby lab audio standards and recommendations
DTS related audio standards and suggestions
Domestic standards (including acoustic decoration standards):
SJ / T 11217-2000 general specification for surround sound amplifier for home theater
SJ / T 11218-2000 general specification for combined loudspeaker system for home theater
Gj26-86 reverberation time standard adopts “reverberation time and frequency characteristics of recording studio” recommended by the Ministry of radio, film and television of the people’s Republic of China