GB/T 9389.1-2026
使用红外辐射传输音频和/或视频及相关信号 第1部分:总则
Transmission of audio and/or video and related signals using infra-red radiation—Part 1: General
- 实施日期
- 2027-02-01
- ICS 分类
- 17.140.50
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
找到 265 条
GB/T 9389.1-2026
Transmission of audio and/or video and related signals using infra-red radiation—Part 1: General
GB/Z 3222.3-2026
Acoustics—Description, measurement and assessment of environmental noise—Part 3: Objective method for the measurement of prominence of impulsive sounds and for adjustment of LAeq
GB/Z 41283.2-2026
Acoustics—Soundscape—Part 2: Data collection and reporting requirements
GB/Z 7584.5-2026
Acoustics—Hearing protectors—Part 5: Method for estimation of noise reduction using fitting by inexperienced test subjects
GB/Z 41283.3-2026
Acoustics—Soundscape—Part 3: Data analysis
GB/T 3449-2026
Acoustics—Noise measurement inside railbound vehicles
GB/T 15173-2026
Electroacoustics—Sound calibrators
GB/T 1859.2-2026
Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 2: Survey method
GB/T 1859.1-2026
Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 1: Engineering method
GB/T 25077.2-2026
Acoustics—Determination of airflow resistance—Part 2:Alternating airflow method
GB/T 46960-2025
Acoustics—Frequency-weighting characteristic for infrasound measurements
GB/T 25077.1-2025
Acoustics—Determination of airflow resistance—Part 1:Static airflow method
GB/T 45830-2025
Acoustics—Acoustic quality of open office spaces
GB/T 46044.2-2025
Acoustics—Determination of sound power levels of noise sources using sound pressure—Engineering methods for small, movable sources in reverberant fields—Part 2: Methods for special reverberation test rooms
GB/T 4130.1-2025
Acoustics—Calibration of hydrophones—Part 1:Procedures for free-field calibration
GB/T 4129-2025
Acoustics—Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels
GB/T 20242-2025
Acoustics—Measurement of real-ear acoustical performance characteristics of hearing aids
GB/T 1859.4-2025
Reciprocating internal combustion engines—Measurement of sound power level using sound pressure—Part 4: Survey method for use in situ
GB/T 17249.2-2025
Acoustics—Recommended practice for the design of low-noise workplaces containing machinery—Part 2: Noise control measures
GB/T 3241.2-2025
Electroacoustics—Octave-band and fractional-octave-band filters—Part 2: Pattern evaluation tests