If I have 30-plus sites already equipped with digital receivers, but they were made by Compression Labs Inc. and not DigiCipher, is there any potential for cross-over?
A — It will depend on the CLI standard which is in use. A lot of the CLI equipment in the field is the old CLI standard which approximates MPEGI. It is unlikely that sufficient demand could be generated for any MPEG I standard to justify engineering a digital channel with about 3.0 MHz of bandwidth to carry MPEG I signals. The new CLI – MPEG II standard has been purchased by General Instruments and is marketed under the Magnitude trademark. As long as all of the encoding/decoding (CODEC) standards which are placed on the same digital channel are completely interoperable and as long as there is sufficient demand, there should not be a problem for a portion of an ADEC transponder (ie one channel) to be dedicated to MPEG II/DVB) transport. “Digital video information which is encoded in a particular standard can not be decoded with equipment employing a different standard. For example, CLI IRDs would not be able to decode a digital signal which was encoded in the DigiCipher standard. (Ind
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