EP1977601A1 - Procédé d'émission et de réception d'un signal de diffusion numérique et système de réception - Google Patents

Procédé d'émission et de réception d'un signal de diffusion numérique et système de réception

Info

Publication number
EP1977601A1
EP1977601A1 EP07708612A EP07708612A EP1977601A1 EP 1977601 A1 EP1977601 A1 EP 1977601A1 EP 07708612 A EP07708612 A EP 07708612A EP 07708612 A EP07708612 A EP 07708612A EP 1977601 A1 EP1977601 A1 EP 1977601A1
Authority
EP
European Patent Office
Prior art keywords
service component
audio
alternative
coding method
decoder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP07708612A
Other languages
German (de)
English (en)
Other versions
EP1977601A4 (fr
Inventor
Chul Soo Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1977601A1 publication Critical patent/EP1977601A1/fr
Publication of EP1977601A4 publication Critical patent/EP1977601A4/fr
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/20—Aspects of broadcast communication characterised by the type of broadcast system digital audio broadcasting [DAB]

Definitions

  • the present invention relates to digital broadcasting, and more particularly, to a method of transmitting and receiving a digital broadcasting signal and a reception system.
  • digital broadcasting For example, a broadcasting scheme for transmitting the audio broadcasting signal, the video broadcasting signal and the data broadcasting signal using the digital method is called digital broadcasting.
  • the digital broadcasting may be, for example, digital audio broadcasting or digital multimedia broadcasting.
  • the digital broadcasting can provide a variety of multimedia information services inexpensively and can be used for mobile broadcasting by allocating a frequency band.
  • the digital broadcasting can create a new earning source through an additional data transmission service and vitalize a receiver market to obtain enormous industrial effect.
  • DMB digital multimedia broadcasting
  • the conventional coding method uses a compression ratio lower than that of an audio compression technology which is recently being developed and utilized, the number of audio services which can be carried in a certain frequency band is relatively small.
  • the existing broadcasting receiver cannot decode the transmitted broadcasting stream. This is because the existing broadcasting receiver can decode only a broadcasting stream compressed using a single audio coding method.
  • the conventional digital broadcasting receiver cannot output an audio signal compressed using a plurality of audio coding methods. Disclosure of Invention Technical Problem
  • the present invention is directed to a method of transmitting and receiving a digital broadcasting signal and a reception system that substantially obviate one or more problems due to limitations and disadvantages of the related art.
  • An object of the present invention devised to solve the problem lies on a method of carrying more broadcasting signals in a certain frequency band and a reception system.
  • Another object of the present invention devised to solve the problem lies on a method of receiving, decoding and outputting services compressed using at least one alternative coding method and a reception system thereof.
  • the object of the present invention can be achieved by providing a transmission method comprising: compressing a service component using at least one alternative coding method; and carrying the service component compressed using the at least one alternative coding method to a data channel and carrying identification information for identifying the alternative coding method to a control channel.
  • the service component may include at least one of an audio service component, a video service component and a data service component.
  • a transmission method comprising: compressing an audio service component using at least one alternative audio coding method; and carrying the service component compressed using the at least one alternative coding method to a data channel and carrying identification information for identifying the alternative audio coding method to a control channel.
  • a reception method comprising: receiving a service component and identification information for identifying an alternative coding method of the service component; parsing the received identification information and extracting the alternative coding method of the service component; and decoding the received service component using a decoding method corresponding to the extracted alternative coding method.
  • a reception system comprising a tuner, an extraction unit, a controller, and a decoder.
  • the tuner receives a service component and identification information for identifying an alternative coding method of the service component.
  • the extraction unit parses the received identification information and extracts the alternative coding method of the service component.
  • the controller controls a decoder corresponding to the extracted alternative coding method to decode the received service component.
  • the decoder decodes the received service component under the control of the controller.
  • a method of transmitting a digital broadcasting signal, a data structure and a broadcasting receiver according to the present invention have the following effects. [22] Since more audio services are carried into a certain frequency band, it is possible to increase data transmission efficiency. [23] Since audio services coded using at least one method can be decoded and audio services coded using a conventional MUSICAM method can be decoded, it is possible to realize compatibility with the conventional MUSICAM method.
  • FlG. 1 is a view schematically showing the structure of a fast information channel
  • FlC and a main service channel (MSC) of a digital broadcasting signal according to an embodiment of the present invention
  • FlG. 2 is a view showing the structure of a fast information block (FlB) of a digital broadcasting signal according to an embodiment of the present invention
  • FlG. 3 is a view showing the structure of a fast information group (FlG) of a digital broadcasting signal according to an embodiment of the present invention
  • FlG. 4 is a view showing a service organization according to an embodiment of the present invention when an FlG type is 0 and an extension field is 2; [30] FlG.
  • FIG. 5 is a view showing the value of an audio service component type (ASCTy) field according to an embodiment of the present invention
  • FIG. 6 is a view showing the value of an ASCTy field according to another embodiment of the present invention
  • FlG. 7 is a view showing the value of an ASCTy field according to another embodiment of the present invention
  • FlG. 8 is a view showing a process of decoding a service component using the value of an ASCTy field according to an embodiment of the present invention
  • FlG. 9 is a flowchart illustrating a method of transmitting a digital broadcasting signal according to an embodiment of the present invention
  • FlG. 10 is a flowchart illustrating a method of receiving a digital broadcasting signal according to an embodiment of the present invention.
  • FlG. 11 is a block diagram showing the configuration of a broadcasting receiver according to an embodiment of the present invention. Best Mode for Carrying Out the Invention
  • a method of carrying more audio services in a main service channel will be described in a first embodiment and the concept of a fast information channel (FlC) will be described in a second embodiment.
  • An audio service component type (ASCTy) field added according to the present invention will be described in a third embodiment and a process of decoding a service component when the ASCTy field is added will be described in a fourth embodiment.
  • a method of transmitting and receiving a digital broadcasting signal according to the present invention will be described in a fifth embodiment and a broadcasting receiver for receiving and decoding a digital broadcasting signal according to the present invention will be described in a sixth embodiment.
  • the video signal or the data signal may be compressed using the alternative coding method. Therefore, in the below-described embodiments, a method of compressing and transmitting the video signal or the data signal using the alternative coding method is included in the scope of the present invention.
  • the audio signal is compressed and transmitted using the alternative coding method and a reception side receives and decodes the transmitted audio signal.
  • the video signal or the data signal may be compressed and transmitted using the alternative coding method and the reception side may receive and decode the transmitted video signal or data signal.
  • FIG. 1 is a view schematically showing an FIC and an MSC of a digital broadcasting signal according to an embodiment of the present invention.
  • an audio service compressed using a masking pattern adapted universal sub-band integrated coding and multiplexing (MUSICAM) audio coding method and several audio services compressed using alternative audio coding methods may be carried in the MSC.
  • MUSICAM masking pattern adapted universal sub-band integrated coding and multiplexing
  • the audio service compressed using the MUSICAM audio coding method is referred to as an MUSICAM audio (MA) and the audio services compressed using the alternative audio coding methods are referred to as alternative audios (AA).
  • MUSICAM audio MUSICAM audio
  • AA alternative audios
  • the MSC indicates to a channel which is used to transmit an audio service component and a data service component.
  • the MSC is a data channel divided into a plurality of coded sub-channels. Each of the sub-channels transmits one or more service components. At this time, an organization of the sub-channels and the service components is referred to as a multiplex configuration.
  • the alternative audio coding method may be an advanced audio coding (AAC) method or a bit sliced arithmetic coding (BSAC) method.
  • AAC advanced audio coding
  • BSAC bit sliced arithmetic coding
  • the alternative audio coding method may be also a spectral band replication (SBR) method or a moving picture experts group (MPEG)-surround method.
  • SBR spectral band replication
  • MPEG moving picture experts group
  • one DMB service and three audio services compressed using the MISICAM audio coding method can be transmitted in a frequency band of 1.5 MHz.
  • one DMB service, one audio service compressed using the MUSICAM audio coding method and three or four audio services compressed using the alternative audio coding method can be transmitted in the frequency band of 1.5 MHz.
  • a broadcasting station can improve audio service transmission efficiency and a user can have an opportunity for selecting more audio services.
  • new information must be added to the FlC such that a broadcasting receiver decodes and outputs the audio services compressed using the alternative audio coding methods.
  • the FlC which is changed by adding the new information will be described in detail in the third and fourth embodiment.
  • the FlC indicates a channel for allowing the broadcasting receiver to quickly acquire a variety of information related to the digital audio broadcasting.
  • the FlC is used to transmit multiplex configuration information (MCI) and service information (SI).
  • MCI multiplex configuration information
  • SI service information
  • FlG. 2 is a view showing the structure of a fast information block (FlB) of the digital broadcasting.
  • FlG. 3 is a view showing the structure of a fast information group (FlG) in the FlB.
  • FlG. 4 is a view showing a service organization when an FlG type is 0 and an extension field is 2. [63] Hereinafter, the concepts of the FlC, the FlB and the FlG will be briefly described with reference to FlGs. 2 to 4 (together with FlG. 1). [64] The FlC includes the HBs.
  • the FlB has 256 bits and includes an FlB data field and a cyclic redundancy check (CRC).
  • CRC cyclic redundancy check
  • the FlB data field includes one or more FlGs, an end marker and a padding.
  • Each FlG includes an FlG header including an FlG type and a length, and an FlG data field.
  • an FlG application may indicate information on the MCI and the SI.
  • the FlG data field includes a current/next (C/N) field, an other ensemble (OE) field, a program/data (P/D) field, an extension field and so on.
  • the extension field may be defined by 32 various uses.
  • FlG. 4 shows a structure of FlG type 0 for extension 2 of the MCI information.
  • FlG. 4 shows information on N services, each of which includes a service identifier
  • SId SId
  • CAId conditional access identifier
  • the number of bits of the SId field varies depending on whether a current service is a program service (for example, a radio) or a data service (for example, a television or data).
  • a current service for example, a radio
  • a data service for example, a television or data
  • the SId field has 16 bits and includes a 4-bit country identifier field and a 12-bit service reference field.
  • the SId field has 32 bits and includes a 8-bit extended country code (ECC) field, a 4-bit country identifier field and a 20-bit service reference field.
  • ECC extended country code
  • the local flag field indicates whether the transmitted service can be used in only a specific area served by a specific ensemble or in all the areas.
  • the CAId field is used to identify an access control system (ACS) used for the transmitted service.
  • ACS access control system
  • the number of service components field is used to identify the number of service components related to the transmitted service.
  • Each service component description field has 16 bits and includes a TMId field for indicating the type of the broadcasting service according to a transmission mode in upper two bits thereof. Fields allocated to lower 14 bits and the values thereof vary depending on the value of the TMId field.
  • the TMId field indicates an
  • the TMId field indicates an MSC stream data mode.
  • the TMId field indicates a FlC data channel (FlDC) mode, and, when the TMId field has a value of " 11 ", the TMId field indicates a packet mode.
  • ASCTy sub-channel identifier
  • P/S primary/secondary
  • CA conditional access
  • the ASCTy field indicates the type of an audio service component.
  • the SubChld field is used to identify the sub-channel for transmitting the service component.
  • the P/S field indicates whether the transmitted service component is a primary component or a secondary component.
  • the CA flag field indicates whether access control applies to the transmitted service component.
  • alternative coding information of an audio service component which is currently transmitted is defined in the ASCTy field.
  • the ASCTy field is carried to the FIC of a transmission frame and an actual audio service component is carried to the MSC.
  • the alternative audio coding method of the audio service component transmitted through the MSC can be confirmed by a value allocated to the ASCTy field.
  • the ASCTy field indicates the value for identifying the audio service component which is coded using the MUSICAM audio coding method or the other coding method.
  • the broadcasting receiver can decode the audio service component, which is compressed and transmitted using a variety of coding methods, by parsing the
  • FIG. 5 is a view showing the value of the ASCTy field according to an embodiment of the present invention.
  • FIG. 6 is a view showing the value of the ASCTy according to another embodiment of the present invention.
  • FIG. 7 is a view showing the value of the ASCTy according to another embodiment of the present invention.
  • the value of the ASCTy field is only exemplary and may be set to have the other value. [100] FIGs.
  • 5 to 7 show a variety of alternative audio coding methods and ASCTy fields allocated to the alternative audio coding methods.
  • a method of coding and transmitting audio services according to the present invention will be described with reference to FIGs. 5 to 7. According to the following embodiments of the present invention, the transmission method may vary depending on the alternative audio coding method.
  • the plurality of alternative audio coding methods may include, for example, the AAC method, the SBR method and the MPEG-surround method. Alternatively, the other audio coding methods may be used.
  • HE-AAC high efficiency-advanced audio coding
  • the alternative audio coding method may be the AAC method, the SBR method or the MPEG-surround method. Alternatively, the other audio coding method may be used.
  • This scheme indicates that, when it is assumed that the audio service components are respectively compressed using the AAC method and the SBR method, the audio service component compressed using the AAC method and the audio service component compressed using the SBR method can be transmitted through respective sub channels.
  • the service components compressed using the AAC method and the SBR method may be transmitted through one sub channel and the service component compressed using the MPEG-surround method may be transmitted through another sub channel.
  • This scheme indicates that, when it is assumed that audio service components are respectively compressed using the AAC method, the SBR method and the MPEG- surround method, the audio service components compressed using the AAC method and the SBR method can be transmitted through one sub channel and the audio service component compressed using the MPEG-surround method can be transmitted through another sub channel.
  • HE-AAC high efficiency-advanced audio coding
  • the at least one service component may include at least one of an audio service component, an A/V service component and a data service component.
  • the present invention is characterized in that the A/V service component and the data service component can be also defined in the ASCTy field and transmitted through the digital broadcasting signal.
  • the SubChld field indicates through which sub channel (path) the service component compressed using the AAC method, the service component compressed using the SBR method and the service component compressed using the MPEG- surround method are transmitted.
  • the ASCTy field indicates the type of the service component. That is, when the ASCTy field is parsed, the coding method of the service component can be confirmed.
  • the P/S field indicates whether the service component is a primary component or a secondary component.
  • the service component compressed using the AAC method has the SubChld field having a value of 13, the ASCTy field having a value of 3, and the P/S field having a value of 1.
  • a broadcasting receiver including only an AAC decoder can decode and output only the service component compressed using the AAC method.
  • a broadcasting receiver including only an AAC-SBR decoder can decode and output the service components compressed using at least one of the AAC method and the SBR method.
  • a broadcasting receiver including an AAC-SB R-with-MPEG-surround decoder can decode and output the service components compressed using at least one of the AAC method, the SBR method and the MPEG-surround method.
  • the KBS2 service may include a service component compressed using the AAC method and a service component compressed using the SBR method.
  • a broadcasting receiver including only the AAC decoder can decode and output only the service component compressed using the AAC method.
  • a broadcasting receiver including only the AAC-SBR decoder can decode and output the service components compressed using at least one of the AAC method and the SBR method.
  • the SBSl service may include a service component compressed using the AAC method and a service component compressed using the MPEG-surround method.
  • the SId field has the value of x5678
  • a service component compressed using the SBR method is not included.
  • the service component compressed using the MPEG-surround method has the SubChld field having a value of 35, the ASCTy field having a value of 5, and the P/S field having a value of 0.
  • FIG. 9 is a flowchart illustrating a method of transmitting a digital broadcasting signal according to an embodiment of the present invention.
  • FIG. 10 is a flowchart illustrating a method of receiving a digital broadcasting signal according to an embodiment of the present invention.
  • the method of transmitting and receiving the digital broadcasting signal will be described with reference to FIGs. 9 and 10 (together with FIGs. 1 to 8).
  • the method of transmitting the digital broadcasting signal according to the embodiment of the present invention will be described. [149] As shown in FIG.
  • a transmission side such as a broadcasting station carries a service component compressed using an alternative coding method to the MSC and carries information indicating by which alternative coding method the service component is compressed to the FIC (S701).
  • data carried to the MSC and the FIC can be transmitted to a reception system such as a broadcasting receiver in a bit stream format (S702).
  • the alternative coding method may be the alternative audio coding method, the alternative video method or the alternative data coding method.
  • the alternative audio coding methods may be, for example, the AAC method or the
  • the broadcasting receiver determines by which alternative audio coding method the audio service component of the received digital broadcasting signal is compressed and transmitted (S704).
  • the determination (S704) may be performed by decoding the ASCTy field of the me [160]
  • the audio service component is decoded and output by the decoder according to the embodiment of the present invention (S705).
  • the decoder according to the embodiment of the present invention may be, for example, the AAC decoder, the AAC-SBR decoder, or the AAC-
  • FIG. 11 is a block diagram showing the configuration of a broadcasting receiver for receiving a digital broadcasting signal according to an embodiment of the present invention.
  • the broadcasting receiver 801 includes a user interface 802, an FIC decoder 803, a controller 804, a tuner
  • the broadcasting receiver 801 may be a television set, a mobile telephone or a digital multimedia broadcasting device which can receive, decode and output the digital broadcasting signal.
  • the user interface 802 transmits the input command to the controller 804.
  • the tuner 805 specifies one ensemble under the control of the controller 804 and tunes a frequency corresponding to the ensemble to receive FIC and MSC information.
  • the sub channel When the sub channel is configured, data transmitted through the sub channel is decoded and output to the decoder, that is, any one of the audio decoder 807 and the data decoder 809, in a bit stream format.
  • the audio decoder 807 decodes and outputs the audio bit stream output from the
  • the MSC decoder 806 using a decompression algorithm.
  • the audio decoder 807 may include at least one of the AAC decoder, the AAC-SBR decoder, the AAC-MPEG-surround decoder and the AAC-SBR-with-MPEG-surround decoder. Alternatively, a decoder for decoding an audio service component coded using the other compression method may be added.
  • the speaker 808 amplifies and outputs the audio service component decoded by the audio decoder 807.
  • the data decoder 809 reconfigures service information decoded by the FIC decoder
  • the video decoder 801 receives a video bit stream from the data decoder 809 and restores the video bit stream to a previous non-compression state.
  • the display device 811 displays an image restored by the video decoder 810 on a screen.
  • the controller 804 controls the functions of the user interface 802, the FIC decoder
  • the digital broadcasting signal may be the audio broadcasting signal including the service component compressed using the alternative audio coding method, as shown in

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

L'invention concerne un procédé permettant de fournir davantage de services de diffusion numérique dans une bande de fréquences limitée et un système de réception associé. Le système de réception comprend un syntoniseur qui reçoit un composant de service et des données d'identification permettant d'identifier un autre procédé de codage du composant de service; une unité d'extraction qui analyse les données d'identification reçues et extrait l'autre procédé de codage du composant de service; un organe de commande qui commande un décodeur correspondant à l'autre procédé de codage extrait afin de décoder le composant de service reçu; et le décodeur qui décode le composant de service reçu sous la commande de l'organe de commande.
EP07708612A 2006-01-25 2007-01-25 Procédé d'émission et de réception d'un signal de diffusion numérique et système de réception Ceased EP1977601A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20060007786 2006-01-25
PCT/KR2007/000450 WO2007086698A1 (fr) 2006-01-25 2007-01-25 Procédé d'émission et de réception d'un signal de diffusion numérique et système de réception

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EP1977601A1 true EP1977601A1 (fr) 2008-10-08
EP1977601A4 EP1977601A4 (fr) 2010-03-10

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EP (1) EP1977601A4 (fr)
CN (1) CN101375601A (fr)
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WO (1) WO2007086698A1 (fr)

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Publication number Priority date Publication date Assignee Title
EP2093911A3 (fr) * 2007-11-28 2010-01-13 Lg Electronics Inc. Système récepteur et procédé de traitement de données audio correspondant

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EP1839440A2 (fr) * 2005-01-20 2007-10-03 Sbs Procede de radiodiffusion visuelle, codeur et decodeur pour ce procede, et recepteur faisant appel a ce decodeur

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AU2007207952A1 (en) 2007-08-02
CN101375601A (zh) 2009-02-25
EP1977601A4 (fr) 2010-03-10
AU2007207952B2 (en) 2009-12-10

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