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本标准规定了送话器电声性能测量方法。 本标准适用于通信用各种换能方式的有源送话器、源送话器、抗噪声送话器等
Measuring methods for transmitters
General specification for carbon transmitters
Main dimensions of telephone transmitters (microphones)
Measuring methods for performance of transmitters and receivers
Detail specification of noise-cancelling transmitter for ODK-1
The purpose of this standard is to describe practical methods for measuring the transmission characteristics of a telephone handset or headset
Methods for measuring transmission performance of telephone handsets and headsets
Laryngophones. Methods of electroacoustical measurements
Specification for HK-91M anti-noise microphone
This notice should be filed in front of MIL-M-l1193D, dated 1 July 1960
MICROPHONE, CARBON (MICROPHONES M-29( )/U& M-52( )/U)
Tbls epeclflcatlon covers two types of hand-held, iJbise-caoeelliag mlcropbonei with an Impedance of 40 to 100 oim~a, deeigrrsted as Microphorn Mo
MICROPHONE, CARBON (MICROPHONES M-29( )/U& M-52( )/U)
Military electroacoustic device series spectrum microphone
General specification for air-conduction dynamic and electro magnetic transmitters
Technical requirements for measuring standard device of carbon transmitters
Military electroacoustic device series spectrum transmitter set and receiver set
A speech path is, broadly, a transmission path that exists between a talker’s mouth and the ear of a listener or, in the case of sidetone, between
Standard Conditioning Method for Handsets with Carbon Microphones - Telephone Transmission Quality (Study Group XII) 1 pp
本标准规定了送话器电声性能测量方法。 本标准适用于通信用各种换能方式的有源送话器、源送话器、抗噪声送话器等
Measuring methods for transmitters
General specification for carbon transmitters
Main dimensions of telephone transmitters (microphones)
Measuring methods for performance of transmitters and receivers
Detail specification of noise-cancelling transmitter for ODK-1
The purpose of this standard is to describe practical methods for measuring the transmission characteristics of a telephone handset or headset
Methods for measuring transmission performance of telephone handsets and headsets
Laryngophones. Methods of electroacoustical measurements
Specification for HK-91M anti-noise microphone
This notice should be filed in front of MIL-M-l1193D, dated 1 July 1960
MICROPHONE, CARBON (MICROPHONES M-29( )/U& M-52( )/U)
Tbls epeclflcatlon covers two types of hand-held, iJbise-caoeelliag mlcropbonei with an Impedance of 40 to 100 oim~a, deeigrrsted as Microphorn Mo
MICROPHONE, CARBON (MICROPHONES M-29( )/U& M-52( )/U)
Military electroacoustic device series spectrum microphone
General specification for air-conduction dynamic and electro magnetic transmitters
Technical requirements for measuring standard device of carbon transmitters
Military electroacoustic device series spectrum transmitter set and receiver set
A speech path is, broadly, a transmission path that exists between a talker’s mouth and the ear of a listener or, in the case of sidetone, between
Standard Conditioning Method for Handsets with Carbon Microphones - Telephone Transmission Quality (Study Group XII) 1 pp