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WEGENER® NAVE IIc™ Nielsen Audio Encoder is the first industry product to encode the Nielsen Media Research (NMR) proprietary NAVE™ identification information into a compressed ATSC transport stream. NMR proprietary audio watermarking was introduced as a way to identify and track program content for TV ratings purposes. This technology plays a key role in NMR’s new Active/Passive metering initiative because it is both transport and consumer electronics agnostic, surviving intact through the entire broadcast distribution process.
As more and more television stations migrate their transmissions to the FCC’s mandated ATSC DTV service, new network distribution models are being deployed where program content is distributed in compressed ATSC format from the network origination source through the local network affiliate and then on to the consumer’s home. In these environments, ATSC stream multiplexers are employed by the affiliate TV station to add local programming.
The WEGENER® NAVE IIc™ expands upon NMR’s audio coding capabilities by supporting the ability to code pre-compressed MPEG-2 transport streams. The WEGENER® NAVE IIc™ encoder will insert NMR data into MPEG-2 Multi-Program Transport Streams compliant with the US ATSC standard.
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