2011 Hollywood Post Alliance. Robert P. Seidel CBS Television Network V.P. Engineering & Technology.
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Transcript of 2011 Hollywood Post Alliance. Robert P. Seidel CBS Television Network V.P. Engineering & Technology.
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2011 Hollywood Post Alliance
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Robert P. Seidel
CBS Television Network
V.P. Engineering & Technology
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TV Spectrum Re- Allocation IssuesTV Spectrum Re- Allocation Issues
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Presented at the FCCEngineering Forum on Broadcast
Architecture
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1. How could this be used to improve spectrum efficiency in the TV bands?
The primary driver of improved spectrum utilization is the need for spectrum within markets and in adjacent markets to provide for the overlapping service areas of stations, however, very little improvement in overall spectrum efficiency might be expected in major urban corridors by changing to a cellularized transmission structure.
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Description of Analysis The analysis attempted to determine the number of Full
Power TV channels, and Class A that are being received for every county in the US. The analysis also include in the count the existing Land mobile channels in the top 11 markets. (not including LPTV or translators)
The purpose of the analysis is to show that in large metro areas on the East coast, California, Chicago, etc. the number of channels required to serve these counties is large.
The data is plotted in the following slides:
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Nationwide No. of TV channels (stations) received by County
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East Coast # of TV channels (stations) received by County
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Chicago # of TV channels (stations) received by County
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California # of TV channels (stations) received by County
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Broadcast Spectrum is Fully Utilized
Reclaiming Broadcast spectrum in the major metro areas will not be possible.
TV Stations currently offering Full Power, Class-A DTV service NY- 25 stations. LA -30 stations .
TV Stations currently offering Full Power, Class-A , LPTV and translator DTV service
NY- 65 stations. LA -154 stations .
As demonstrated by this example, channel reuse is already practiced
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CBS Mobile TVCBS Mobile TV
2010 Best Mobile TV Service - CBS Mobile
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CBS’s Alternate Delivery PlatformsCBS’s Alternate Delivery Platforms
““Authentication”Authentication”
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Audio LoudnessAudio Loudness
CALM ACTCALM ACT
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ITU BS-1770 Loudness Meter
Audio Loudness will be measured using all channels per ITU-R BS.1770 and will be controlled to meet the ATSC Recommended Practice target level of 24 LKFS ± 2 dB.
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Since 2009 CBS has been controlling Commercial Since 2009 CBS has been controlling Commercial Audio LoudnessAudio Loudness
TC Electronics DB-4 Loudness Controller.
Flip Factory ®
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Thank YouThank You
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