The data reduction unit (DRE) is designed to perform data reduction of the first audio signal (AS2) depending on the setting information or parameters received from the return link receiver (RSE).

Digitalization has led to a multiplication of channels.

4 tion transfer, including electronic collection and

The invention is of particular application to modifying the data in tables of data included in the digital transport stream of a digitally compressed television signal.

The storage and distribution of data, including disaster recovery, and

Compression: digital signals can be compressed to reduce the amount of bandwidth needed to broadcast them.

titled "Digital Compression and Coding of Continuous-tone Still Images,

is titled "Digital Compression and Coding of Continuous-tone Still Images,

In video, they are used to achieve digital compression of a video picture.

In CCTV, they are used to achieve digital compression of a video picture.

The method is most useful when many digitally compressed programs are encrypted at the same time.

Compression Reduction in the number of bits used to represent an item of data.

Digital compression in the world of classical information theory is fairly straightforward.

COMPRESSION: Reduction in the number of bits used to represent an item of data.

However, by the use of digital compression, a combination of up to 5 SDTV programs and/or one HDTV program can be carried in this 6 MHz digital channel.