audio subcarrier造句

• When XETV-TV shut down its analog signal on May 28, 2013, it shut down the station's 87.75 MHz audio subcarrier.
• Though not technically a SAP channel, television stations can also broadcast a " PRO " ( professional ) audio subcarrier which is used to communicate with station personnel, particularly those engaged in electronic news gathering.
• Thus, the new color television standard reduced the line rate by a factor of 1.001 to 1 / 286 of the 4.5 MHz audio subcarrier frequency, or about 15734.2657 Hz.
• This reduced the frame rate to 30 / 1.001 H " 29.9700 Hz, and placed the color subcarrier at 227.5 / 286 = 455 / 572 = 35 / 44 of the 4.5 MHz audio subcarrier.
• WITI is one of the few stations that had broadcast on VHF channel 6 prior to the digital transition to restore its audio feed legally; WRGB in Albany, New York attempted an audio subcarrier service after the transition that was subsequently pulled on FCC request.
• The total "'RF bandwidth "'of System I ( as originally designed with its single FM audio subcarrier ) was about 7.4 MHz, allowing System I signals to be transmitted in 8.0 MHz wide channels with an ample 600 kHz guard zone between channels.
• In the days of analog television, the low end of the FM broadcast band ( 87.7 to 87.9 MHz ) overlapped with the audio subcarrier of analog television's channel 6, which allowed the audio of television stations that broadcast on that channel to be heard on most FM radios.
• The total "'RF bandwidth "'of System B ( as originally designed with its single FM audio subcarrier ) was 6.5 MHz, allowing System B to be transmitted in the 7.0 MHz wide channels specified for television in the VHF bands with an ample 500 kHz guard zone between channels.
• From there, it was then uplinked via satellite ( through the facilities of Satellite Syndicated Systems, Inc . ( SSS ) ) on two audio subcarriers, both " piggybacked " on the satellite transponder carrying Superstation WTCG ( now TBS ) at the time ( who also utilized SSS'satellite facilities ); one for the SSTV-encoded video, and another for Newstime's program audio ( along with WTCG's audio subcarrier and main video carrier on the transponder ).