Tra cứu Tiêu chuẩn quốc tế

ISO/WD TS 24541

Services activities relating to drinking water supply systems and wastewater systems --Guidelines for the implementation of continuous water quality and operation mode monitoring system in a drinking water network

ITU-R BS.1194-2 (12/98)

System for multiplexing frequency modulation (FM) sound broadcasts with a sub-carrier data channel having a relatively large transmission capacity for stationary and mobile reception

System for multiplexing frequency modulation (FM) sound broadcasts with a sub-carrier data channel having a relatively large transmission capacity for stationary and mobile reception

ITU-R BS.1196-6 (12/2017)

Audio coding for digital broadcasting

Audio coding for digital broadcasting

ITU-R BS.1285-0 (10/97)

Pre-selection methods for the subjective assessment of small impairments in audio systems

Pre-selection methods for the subjective assessment of small impairments in audio systems

ITU-R BS.1349-0 (02/98)

Implementation of digital sound broadcasting to vehicular, portable and fixed receivers using terrestrial transmitters in the LF, MF and HF bands

Implementation of digital sound broadcasting to vehicular, portable and fixed receivers using terrestrial transmitters in the LF, MF and HF bands

ITU-R BS.1350-1 (12/98)

Systems requirements for multiplexing (FM) sound broadcasting with a sub-carrier data channel having a relatively large transmission capacity for stationary and mobile reception

Systems requirements for multiplexing (FM) sound broadcasting with a sub-carrier data channel having a relatively large transmission capacity for stationary and mobile reception

ITU-R BS.1423-0 (12/99)

Guidelines for producing multichannel soundtracks using surround matrix techniques

Guidelines for producing multichannel soundtracks using surround matrix techniques

ITU-R BS.1813 (10/07)

Protection requirements for broadcasting systems operating in the LF, MF, HF and VHF bands below 80 MHz against the impact of power line telecommunication Systems

Protection requirements for broadcasting systems operating in the LF, MF, HF and VHF bands below 80 MHz against the impact of power line telecommunication Systems

ITU-R BS.215-2 (07/82)

Maximum transmitter powers for broadcasting in the Tropical Zone

Maximum transmitter powers for broadcasting in the Tropical Zone

ITU-R BS.216-2 (07/82)

Protection ratio for sound broadcasting in the Tropical Zone

Protection ratio for sound broadcasting in the Tropical Zone

ITU-R BS.412-9 (12/98)

Planning standards for terrestrial FM sound broadcasting at VHF

Planning standards for terrestrial FM sound broadcasting at VHF

ITU-R BS.415-2 (07/86)

Minimum performance specifications for low-cost sound-broadcasting receivers

Minimum performance specifications for low-cost sound-broadcasting receivers

ITU-R BS.467-0 (07/70)

Technical characteristics to be checked for frequency-modulation stereophonic broadcasting

Technical characteristics to be checked for frequency-modulation stereophonic broadcasting

ITU-R BS.468-4 (07/86)

Measurement of audio-frequency noise voltage level in sound broadcasting

Measurement of audio-frequency noise voltage level in sound broadcasting

ITU-R BS.48-2 (07/86)

Choice of frequency for sound broadcasting in the Tropical Zone

Choice of frequency for sound broadcasting in the Tropical Zone

ITU-R BS.560-4 (10/97)

Radio-frequency protection ratios in LF, MF and HF broadcasting

Radio-frequency protection ratios in LF, MF and HF broadcasting

ITU-R BS.561-2 (07/86)

Definitions of radiation in LF, MF and HF broadcasting bands

Definitions of radiation in LF, MF and HF broadcasting bands

ITU-R BS.597-1 (07/86)

Channel spacing for sound broadcasting in band 7 (HF)

Channel spacing for sound broadcasting in band 7 (HF)

ITU-R BS.599-0 (07/82)

Directivity of antennas for the reception of sound broadcasting in band 8 (VHF)

Directivity of antennas for the reception of sound broadcasting in band 8 (VHF)

ITU-R BS.6/BL/15 (12/11)

Draft revision of Recommendation ITU-R BS.1660-4 - Technical basis for planning of terrestrial digital sound broadcasting in the VHF band

Draft revision of Recommendation ITU-R BS.1660-4 - Technical basis for planning of terrestrial digital sound broadcasting in the VHF band