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The Channel Set may include one or more Channels. Note that the Channel Set would normally include all available Channels. (...) The Channel Reference Model shall also be given the number of Channels in the Channel Set as well as the CHANNEL TAG and CHANNEL PROPORTION value for each Channel. (...) Channel Reference Model The Channel Reference Model is a finite state machine that accepts the following parameters as input: The number of Channels in the Channel Set The CHANNEL TAG for each Channel in the Channel Set The CHANNEL PROPORTION for each Channel in the Channel Set The Channel Reference Model contains a series of separate state variables, one for each Channel in the Channel set, indexed by the CHANNEL TAG for that Channel.
Language:English
Score: 680060.7 - https://www.itu.int/wftp3/av-a...deo-site/9702_Nic/lbc97041.doc
Data Source: un
The Channel Set may include one or more Channels. Note that the Channel Set would normally include all available Channels. (...) The Channel Reference Model shall also be given the number of Channels in the Channel Set as well as the CHANNEL TAG and CHANNEL PROPORTION value for each Channel. (...) Channel Reference Model The Channel Reference Model is a finite state machine that accepts the following parameters as input: The number of Channels in the Channel Set The CHANNEL TAG for each Channel in the Channel Set The CHANNEL PROPORTION for each Channel in the Channel Set The Channel Reference Model contains a series of separate state variables, one for each Channel in the Channel set, indexed by the CHANNEL TAG for that Channel.
Language:English
Score: 679915.1 - https://www.itu.int/wftp3/av-a...4-site/White%20H.MULTILINK.doc
Data Source: un
The separate logical channel mode is the preferred mode and the videomux mode is prepared for the system which cannot set up the separate extra channel for the backward channel messages due to the restriction of the number of channels’ combinations. (...) H263VideoCapability of these channels includes refPictureSelectionCapability. The logical channels for the video backward channel messages, LC3 and LC4, are next opened as bi-directional logical channels with H.223 AL2. (...) The logical channels for video backward channel messages should support H.223 AL2.
Language:English
Score: 679564.84 - https://www.itu.int/wftp3/av-a...video-site/9706_Por/q15a29.doc
Data Source: un
A flag pattern, which cannot appear anywhere else in the data, unambiguously marks the beginning of transmission of a new Channel Reference Model. Each new Channel Reference Model is communicated using a simple set of information that includes a unique identifier of each channel (the Channel Tag), and the relative proportion of data to be carried over each channel (the Channel Proportion). (...) A Header Set consists of a Header transmitted on each Channel to be used for this Data Set (the set of all Channels to be used by a Data Set is referred to as its Channel Set). (...) Both protocols are sensitive to the order of Channels, and neither allow Channels to be arbitrarily removed.
Language:English
Score: 675638.13 - https://www.itu.int/wftp3/av-a...deo-site/9702_Nic/lbc97040.doc
Data Source: un
Channel for video back channel messages In the H.263 Annex N, two methods of operation in terms of the channel for backward channel messages; Separate Logical Channel mode: This method of operation delivers back channel data through a separate logical channel in the multiplex layer of the system, and VideoMux mode: This method of operation delivers back channel message for received video within the forward video data of a video stream of encoded data. (...) The logical channel for video back channel messages shall only be established after the forward video channel establishment is competed. (...) Because video back channel messages are multiplexed into the coded video bitstream, the terminals do not need to establish any extra logical channel for video back channel messages.
Language:English
Score: 675017.33 - https://www.itu.int/wftp3/av-a...video-site/9706_Por/q15a30.doc
Data Source: un
Some codecs might be opened as unidirectional channels or bidirectional channels – this includes video codecs in H.324 and 3G-324M standards that use H.245. Usage of such channels can result conflicts when one of the terminals tries to open a unidirectional video channel and the other terminal tries to open a bidirectional video channel. (...) C.4.1.4seq sub_sub_sub_section \r 0 \h Conflict resolution of unidirectional and bidirectional channels Another type of conflict that might occur is when both endpoints attempt to open a bidirectional channel of the same type or when both endpoints try to open a channel of the same type, but one of them tries to open the channel as a unidirectional channel and the other terminal tries to open it as a bidirectional channel.
Language:English
Score: 673261.3 - https://www.itu.int/wftp3/av-a...01-2004/0408_Sanjose/q1c05.doc
Data Source: un
Firewall Traversal Issues 20 6.1 BFCP Token Control Channel 20 6.2 Media Channels 20 6.3 Keep-alive Techniques for Control Channel 20 6.4 Keep-alive Techniques for Presentation Channels 21 7. (...) No BFCP channel. Only TCP-based BFCP One video channel and TCP-based BFCP channel associated with a video channel which does not exist. (...) No BFCP channel. Best Practices Profile One video channel and UDP-based BFCP channel associated with a video channel which does not exist.
Language:English
Score: 671436.13 - https://www.itu.int/wftp3/av-a...12/1107_Andover/q1k08Att2.docx
Data Source: un
Usage of such channels can result conflicts when one of the terminals tries to open a unidirectional video channel and the other terminal tries to open a bidirectional video channel. (...) C.5.1.4seq sub_sub_sub_section \r 0 \h Conflict resolution of unidirectional and bidirectional channels Another type of conflict that might occur is when both endpoints try to open a channel of the same type, but one of them tries to open the channel as a unidirectional channel and the other terminal tries to open it as a bidirectional channel. (...) When the slave detects a conflict and the master does not reject a conflicting open logical channel, the slave should close the conflicting channel.
Language:English
Score: 671104.15 - https://www.itu.int/wftp3/av-a...-2004/0408_Sanjose/q1c05r1.doc
Data Source: un
Signalling Preconfigured Channel (SPC) Support Set to 1 if the MONA terminal supports negotiation of logical channels using the Signalling Preconfigured Channel, set to 0 otherwise. (...) Signalling Preconfigured Channel Preference (SPP) Set to 1 if the MONA terminal prefers negotiation of logical channels using the Signalling Preconfigured Channel, set to 0 otherwise. (...) The configuration information consists of the whole state pertaining to a logical channel, as if that channel would have been opened using the normal Open Logical Channel procedure of Rec.
Language:English
Score: 669510.16 - https://www.itu.int/wftp3/av-a..._Geneva/TD_draftH.324Corr2.doc
Data Source: un
This annex specifies a syntax for the backward channel messages as well as for forward channel data. (...) EMBED Word.Picture.6 FIGURE N.1/H.263 Source coder for NEWPRED N.3. Channel for backward channel messages This mode has two methods of operation in terms of the type of channel for backward channel messages. (...) N.3.1 Separate Logical Channel Mode The separate logical channel mode delivers backward channel messages through a dedicated logical channel opened only for the purpose of the backward channel messages.
Language:English
Score: 669427.3 - https://www.itu.int/wftp3/av-a...video-site/9706_Por/q15a28.doc
Data Source: un