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Q.12 Is TAM technologically geared to measure CAS?

PRE CAS or DTH
To measure viewing in a Analog home, TAM used the same technology that is used in more than 30 countries worldwide, most of whom already have a CAS system in existence. The TAM technology is a frequency matching technology. This means that the Peoplemeter records the frequency of the channel viewed. In addition the home is provided with a special handset to record who is viewing the channel.
Now each time someone changes a channel, the Tuner of the TV set ‘fixes’ onto the particular frequency. The detector of the Peoplemeter setup transmits this frequency, which it gets from the sensors, to the Peoplemeter, shown in the diagram below as residing on top of the TV set. The data is stored as encrypted data in the data module and is now polled daily or collected every week by the TAM data collector.

Diagram 1: Pre-CAS Peoplemeter installation

POST CAS/DTH

Now, in a Digital TV viewing home via either CAS set top box or DTH set top box or IPTV set top box, TAM will use the new TVM5 Digital meters, the most advanced, state-of-the-art Peoplemeter technology in the world that has the capability of measuring analog as well as digital signals. This means that in addition to normal cable TV viewing, this technology also measures digital signals akin to CAS (through STB), DTH, Broadband and also other platforms like videogames & DVD. In terms of the hardware, the TVM5 meters are non-intrusive, i.e. they do not require a wire to go inside the TV tuner card; the sensors on the TVM5 meter have the capability of picking up signals by being placed on top of the TV set.

The technology is compatible with both analog and digital types of STBs. The advantage that TAM has is the network of international experts belonging to its parent companies – Nielsen Media Research & AGB– where the concept of the use of an STB to watch Pay TV has been around for years now. The TVM 5 Peoplemeter has been the one of the only working solutions in the digital environment across the globe. The same is in use in India now in National Panel as well as in the Elite Panel. Infact, all the 6 major metros in India measured by TAM are completely wired by the new Digital technology TVM5 meters enabling us to measure viewing via CAS set top box or DTH set top box from day one.

Diagram 2: Post-CAS Peoplemeter installation

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