GB/T 7614-1987 Replaced National standards

GB/T 7614-1987 An artificial ear of wide band type for the calibration of earphones used in audiometry

Publish Date: 1987-04-02 Implement Date: 1987-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7614-1987

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Electroacoustic devices

ICS Name: \nTelecommunications-specific measurement equipment

Publish Date: 1987-04-02

Implement Date: 1987-11-01

Publisher: National Standards Bureau

Pages: 8 pages

Development Information

Drafting Units:

4380 Factory of the Ministry of Electronics Industry and the National Institute of Metrology and Quality Inspection of China

Drafting Persons:

Chen Huachun, Zhang Jucai, and Pan Yuewu

Word Count: 9 Thousand words Pages: 8 pages

Superseded by the following standards

GB/T 25498.1-2010 Electroacoustics—Simulators of human head and ear—Part 1:Ear simulator for the calibration of supra-aural earphones

Adopt standards

IEC 318-70

Related Standards

GB/T 6996.10-1986 Replaced

GB/T 6996.10-1986 Quality of distribution test chart of transparencies for television

Publish Date: 1986-11-20

GB/T 6996.11-1986 Replaced

GB/T 6996.11-1986 Circular zone test chart of transparencies for television

Publish Date: 1986-11-20

GB/T 6996.1-1986 Replaced

GB/T 6996.1-1986 Multiple test chart of transparencies for television

Publish Date: 1986-11-20

GB/T 6996.12-1986 Replaced

GB/T 6996.12-1986 Grayscale test chart A of transparencies for television

Publish Date: 1986-11-20

GB/T 6996.13-1986 Replaced

GB/T 6996.13-1986 Grayscale test chart B of transparencies for television

Publish Date: 1986-11-20

GB/T 6996.14-1986 Replaced

GB/T 6996.14-1986 Defection distortion test chart of transparencies for television

Publish Date: 1986-11-20