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Method for receiving and displaying thematic audio-visual programme sequences and receiver therefor

A technology for television receivers and receivers, which is applied in receiver-side switching, TV, color TV and other directions, and can solve problems such as uninteresting

Inactive Publication Date: 2003-10-22
INTERDIGITAL CE PATENT HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

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Method used

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  • Method for receiving and displaying thematic audio-visual programme sequences and receiver therefor
  • Method for receiving and displaying thematic audio-visual programme sequences and receiver therefor
  • Method for receiving and displaying thematic audio-visual programme sequences and receiver therefor

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Embodiment Construction

[0022] First, the receiver according to the present invention is described, and then, as image 3 As shown, the mechanism for switching to the second type of service broadcast program is illustrated. Finally, improvements and modified examples are described.

[0023] figure 1 A receiver according to the invention is described in . For example, the receiver is a decoder conforming to the DVB specification. The DVB specification uses the ISO / IEC 13818-1 transport layer.

[0024] The decoder is linked with antenna 1, and the antenna is linked with the tuner. We can see both. The demodulator 3 demodulates the signal provided by the tuner. The demodulated data is deinterlaced, corrected by an error correction circuit 4, and sent to a demultiplexer 5. The demultiplexer includes a number of filters programmed by the microprocessor 23 as a function of the various applications supported by the decoder. The microprocessor 23 is connected to the memory 12, and the memory 12 inclu...

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PUM

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Abstract

The invention consists of a process for receiving and for screening audiovisual transmissions broadcast by a network. The transmissions consisting of events and of short transmissions possessing a distinctive element, these short transmissions being broadcast by services identifiable by this distinctive element. At a certain moment specified by the broadcaster, a sequence is transmitted on the network, it is replaced at the level of the display of the receiver by another sequence extracted from a service broadcasting short transmissions. The choice of this service is made at the receiver level. To avoid the appearance of a black screen between the network's transmitted sequences and the short transmissions, the receiver dispatches a filler transmission to the screen. The invention also consists of a digital television receiver for implementing the process.

Description

technical field [0001] The present invention relates to a method of receiving and playing an audiovisual program broadcast by a transmitter to a receiver, especially when the program is selectable as a function of certain criteria. The invention also relates to a receiver implementing the method. Background technique [0002] The invention finds particular application in digital television receiver / decoders. The Internet broadcasts audiovisual programs commonly referred to as "events" and the data used to label these programs. These data are defined, for example, in the DVB-SI specification ("Digital Video Broadcast-specification for Service Information") EN 300 468 V1.3.1 (published by ETSI). They take the form of tables and descriptors that describe the objects sent over the broadcast network. A service is an uninterrupted series of events broadcast on a particular stream. [0003] The DVB-SI standard specifically defines the format of tables such as NIT, SDT, EIT and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/43H04B1/16H04H20/00H04H20/10H04H60/46H04N5/00H04N5/445H04N7/16
CPCH04N21/4532H04N21/434H04N21/454H04H20/106H04N5/44543H04N21/482H04H60/46H04N21/433H04N21/4345H04N21/44016H04N21/458H04N21/4755H04N21/812H04N21/84H04N21/47H04N21/43H04B1/16
Inventor 伊冯·勒加卢瓦塞巴斯蒂安·佩罗菲利普·施默克
Owner INTERDIGITAL CE PATENT HLDG