IMAGE MESSENGER USING AUDIO/VIDEO BRIDGE

The present invention refers to various modification may have various can apply in the embodiment which is, in the embodiment example drawing it through detailed description specific to the broadcast receiver. However, the present invention is defined with respect to a particular embodiment form which are not included, all changing range of idea and techniques of the present invention, including the water to replacement should understood to evenly.

In describing the present invention, publicly known technique related description is the specific subject matter of invention description if breach of haze can be decided to be supplied from a substrate. In addition, the specification (e.g., number 1, number 2 or the like) number part decodes the description of one or more components according to other components for the identification symbol only disclosed.

In addition, in the specification, one component with other components or provides "connected" or is "connected" when, said one component is said directly connected with other components or may be connected either directly or, particularly opposite substrate does not exist in an ideal, connected or connected to another via intermediate components might lead to it will will be.

Hereinafter suffix "module" and "part" for the description of components which are used in specification database is only given the ease into consideration or as mixed, semantic or itself serves not the having distinguished from each other.

In hereinafter, with reference to the attached drawing of the present invention AVB Image messenger produced in less than 1000.

Figure 1 shows a schematic of the present invention also implemented in-house network in the embodiment according to AVB representing one manner are disclosed.

As shown in fig. 1, of the present invention AVB manner implemented in-house network comprises a user of the network resources to be connected in a corresponding terminal or AVB by output terminal, each terminal make possible smooth without a separate server network, output terminal number 1 (110), number 1 AVB bridge (120), user terminal number 1 (140) comprises.

Output terminal number 1 (110) at a place in the number of individual ball speech, video and message including information like under public affairs number or number to each batch or integrated state so that the ball, at least one path being a plurality of endpoint (end point), each end point said number 1 AVB bridge (120) respectively connected thereto.

Said end point voice, video and message to the data input terminal is informed of, microphone, camera, such as control panel may be, transmitted in that outputs information to the other endpoint, speaker, be a monitor. In addition, including both said output means (Smart Phone) smart phone, notebook computer (Laptop Computer), tablet device (Tablet Device), for digital broadcasting, PDA (Personal Digita Assistants), PMP (Portable Multimedia Player), [...] (Navigation) or the like can be provided.

Number 1 AVB bridge (120) is precise time synchronization, adequate resources distribution and allocation, media stream for traffic shaping, not participating in such a service of a device including a function of holding a non-aVB device compatibility and grasp and, a plurality of end points and said a plurality of end point connected to an input voice signal, Image and message information for aggregation components in the other endpoint.

User terminal number 1 (140) said number 1 is output terminal (110) to said a number by voice, video and message including information like receives, input information and output terminal number 1 again (110) so that the output (other end point) to a wireless, said number 1 AVB bridge (120) is designed to connect said pair of substrates.

In addition, user terminal number 1 (140) as these endpoints, (Smart Phone) smart phone, notebook computer (Laptop Computer), tablet device (Tablet Device), for digital broadcasting, PDA (Personal Digita Assistants), PMP (Portable Multimedia Player), [...] (Navigation) or the like can be provided.

Flavor thereto, local network service number in each place external ball pin provided on at least one output terminal number 1 (110) through an input voice, video and message including information like each number 1 output terminal (110) connected to the first receiving mode number 1 AVB bridge (120) number 1 again through output terminal (110) such transmitted to output said input, the, said number 1 output terminal (110) of the f-number number 1 AVB bridge (120) connected to the user terminal number 1 (140) through the combustion chamber.

Figure 2 shows a schematic representing a plurality of components of the present invention also one in the embodiment according to AVB in-house network, and provided with in-house network in the embodiment according to control pannel schematic representing one Figure 3 of the present invention are disclosed.

As shown in fig. 2, may also be used but in-house network AVB manner network region is formed, the area the precision, each AVB connected to LAN network can be provided.

Output terminal includes a plurality of end point connected to a network via bridge consisting of AVB, AVB AVB bridge output terminal connected supporting group AVB domain this may be. Output terminal number 1 (110) and number 1 AVB bridge (120) number 1 number 1 AVB domain consisting of normal bridge (130) are connected to a normal bridge number 2 (230) through a localized area of number 2 AVB bridge (220) can be connected. The, number 1 and number 2 normal bridge (230) is number 1 and number 2 user terminal (240) are joined to a plurality of number 1 AVB bridge (120) on number 2 AVB bridge (220) [...] be a number.

Each AVB embodiment of transmission quality in audio and video signals is within a domain is accomplished but, preventing from endpoint in AVB domain external AVB delay, precise synchronization is accomplished free of effect.

Number 1 AVB domain number 2 AVB domain between an arbitrary normal bridge (a non-aVB) link, endpoint 1 and 3 are an expert quality Audio/Video endpoint number information which ball is prevented disclosed. Domain a border of the IEEE 802. 1AS gPTP on (generalized Precise Time Protocol) defined in IEEE 802. 1Qat sensing by MSRP (Multiple Stream Resevation Protocol) can be defined. In addition, the delay time can be supplied to the AVB 2ms ensure maximum 7hop within a domain, when added to the wireless section is accomplished be 50ms.

Only, a plurality of end points of the Image messenger a localized area in the embodiment implemented in bar, preventing from endpoint according to the partially degradation in the AVB not attached can be implemented.

On the other hand, according to the device hole of the each endpoint ID is a localized area of log-in procedure can be used without movement or position change into a substrate.

And, as shown in fig. 3, each endpoint is control panel (150) is provided with a number 1 and number 2 (control pannel) user terminal (240) without through the number, each terminal for transmitting voice, video and message information and other endpoints in the input and output number [...] be output.

Wherein, said control panel (150) voice, video and message function is comprised of one of output terminal number for simplified function but can be implemented, said user terminal such as voice, video and message number [...] both functions can be longer. I.e., user terminals to vary said AVB network packets can be.

Flavor thereto, a local area network of the plurality of AVB domain by a localized area that number conditions, preventing from network according to minimum influence even deterioration of AVB AVB function can be implemented, each AVB plural ID is given control panel is installed on a network output (150) is provided through the user terminal including individual number [...] be without function number.

The AVB bridge network including AVB hereinafter detailed function in mammals are also described therein.

Figure 4 shows a bridge indicative of the configuration of block of the present invention also one in the embodiment according to AVB, one in the embodiment according to Figure 5 of the present invention time synchronization section (121) construction details of drawing representing, one in the embodiment according to Figure 6 of the present invention resources section (122) construction details of drawing representing, in the embodiment according to Figure 7 of the present invention one congestion number control unit (123) construction details of drawing representing, and Figure 8 of the present invention in the embodiment according to device representing one embodiment of a protocol for the transmission is Audio/Video stream are disclosed.

As shown in fig. 4, AVB network embodiment is voice, video and message information for transmitting embodiment including liver, precise time synchronization, adequate resources distribution and allocation, media stream for traffic shaping, not participating in such a service of a device including a function of holding a non-aVB device configured to grasp and compatibility, time synchronization section (121), resources portion (122), congestion number control unit (123), state recognizing portion (124), stream connection (125), and function grasp portion (126) having a predetermined wavelength.

As shown in fig. 5, time synchronization section (121) is AVB network between all device voice, video and additional message information thereby transmitting and precise time synchronization, delay time nephrophathy minimized Image messenger function.

AVB network time synchronization section (121) improves the accuracy of time synchronization is, reference clock selection and clock - tree (the clock-a spanning tree) and reconstruction of automated, the entire local network through which clock are disclosed.

AVB network all bridge and end point reference clocks for constructing a network number under public affairs about time synchronization master (Grand Master: GM) opposite surface of a plurality of hierarchies. GM BMCA (Best Master Clock selection Algorithm) device are all perform most precise clock source through a device and with the lower end of the GM, the GM reference clock synchronization has a plurality of hierarchies.

For example, as shown in fig. 5, network device within a local network call is disconnected and water to a clock unit GM under public affairs number, one device using only GPS device are all in another local oscillator (Local Oscillator: LO) when using wired device with GPS clock source device is GM regardless the lower end with each other.

For time synchronization gPTP message which periodically transmits the correction value remaining, two adjacent AVB device after a time synchronization error of time 500ns hereinafter is n is an integer.

As shown in fig. 6, resource distribution unit (122) whether the value of the delay time and resources is sufficient by percussive, resource which is operatively mounted distribution and are assigned to other.

Output terminal number 1 (110) or other output terminal end points a Talker Audio/Video source device transmitting, receiving a Listener device defined by the substrate.

Resource distribution unit (122) is Talker Advertise Talker for the reservation of resources is sending and, intermediate steps of the bridge network available resources of an output port and delay is related to talker Advertise Listener delivers the message. When name of a bridge, the bridge is on Talker Failed Talker Listener delivers the message to. Bridge resource during a sufficient rain event, to Listner Talker Advertise message acts, path delay sufficient Listner Ready transmits the message over time and resources. Ready message corresponding port resources and Ready message Talker bridge transmitting, receiving the message network N. transmission of the streams a talker.

As shown in fig. 7, congestion number control unit (123) is stream form a constant dispensing to minimize transmission packets for the traffic, traffic of a particular stream established over time has a traffic shaping RM, stream packets constituting a preset distribution therein. If traffic shaping in a bridge and Talker if not, burst form transmitted packet bus in a number of connected devices to calcination (Bunching) phenomenon that is equal to the overload is generated. Bunch implies high priority frames of current transmitting low priority frame Queuing behind which are grouped into the exposed, when traffic shaping tables, high priority frames Queuing bunch form continuously transmitted. In addition, other various bunch position of the input port simultaneously, back again at the output port increases the bunch Queuing phenomenon occurs.

In order to avoid bunching phenomenon such traffic shaping based shaping scheme is stream Leaky Bucket Credit (LBC) base of less than reserved for bandwidth stream form a transmission time of the packet number consists of a plower manner.

As shown in fig. 8, embodiment for transmission during liver Audio/Video Audio/Video stream transmission techniques in order link layer protocol based on precise time synchronization is needed, in the network protocol to 10sup16. [...] number for the number of AV.

IEEE 1722. 1 standard AVDECC (AV Discovery Enumeration Connection management AND Control) protocol is IEEE 1722 AVTP number in each devices using single specification number plower AVB under public affairs substrate. 3 ADVECC protocol such as 7 also have protocol classification with each other.

State recognizing portion (124) is used for searching for AV devices, periodic messages via the transmission so that the user can grasp the current state indication, ADP (AVDECC Discovery Protocol) the pair of substrates.

Stream connection (125) the streams which serves for the reproduction of a connection or connected in number, ACMP (AVDECC Connection Management Protocol) to the pair of substrates.

Function grasp portion (126) and devices connected to the network and the number of which information [...] responsible, AECP (AVDECC Enumeration and Control Protocol) to the pair of substrates.

In the aforementioned constitution of the invention based on Image messenger of information delivery method hereinafter described the on-sensors other.

Figure 9 shows a method of the present invention indicating the flow table transmit information through the one in the embodiment according to Image mesh also are disclosed.

In step S100, the user number 1 normal bridge (130) connected to user terminal number 1 (140) number 1 AVB through bridge (120) which is connected to a number 1 output terminal (110) to a number by voice, Image and message including information like one of or a combination of information is entered and n is an integer.

Wherein, output terminal number 1 (110) and plurality of end points, said voice, video and message including information corresponding to input or like to each endpoint distinguished from, one of the end point a multi-information can be input.

In addition, the f-number 1 said number user terminal (140) connected to each endpoint control panel not (150) by the number can be, each of said endpoint ID is distinguished from an endpoint capable of distributed additional log-in procedure can be recognized.

In step S200, said plurality of end points a number 1 output terminal (110) is number 1 AVB bridge (120) are connected to a number 1 AVB domain is formed and, said number 1 output terminal (110) from said voice, video and message including information like number 1 AVB bridge (120) transmitted to.

Wherein, a time domain number 1 AVB section (121) a plurality of number 1 through output terminal (110) and number 1 AVB bridge (120) time synchronization has a plurality of hierarchies. (S210)

Wherein, number 1 AVB bridge (120) is most precise clock source device through a grand master BMCA (Best Master Clock selection Algorithm) (Grand Master: GM) with the lower end of the substrate. (S211)

The, device is mounted within a local network if call number under public affairs grand clock, one device using only GPS device are all in another local oscillator (Local Osciilator: LO) wired device using GPS device with a grand master clock sources regardless of when selecting other. (S212)

And, grand master within a domain number 1 AVB about said predetermined number 1 AVB bridge (120) and a plurality of end point time synchronization device all of a plurality of hierarchies. (S213)

On the other hand, number 1 AVB bridge (120) includes a resource distribution unit (122) through said transmitted voice, video and message including information is a plurality of end point for distributing information said allocating and each other. (S220)

Wherein, said voice, Image and message information inputted as Talker end point, Talker Advertise transmits the message. (S221)

Network intermediate steps of the number 1 AVB bridge (120) or number 2 AVB bridge (220) and delay time calculated by said information is output available resources are an output port an end point i.e., transmits to said Advertise Listener message. (S222)

The, number 1 AVB bridge (120) or number 2 AVB bridge (220) lack of resources, said number 1 AVB bridge (120) or number 2 bridge on Talker Faided Talker Listener delivers the message to. (S223)

On the other hand, number 1 AVB bridge (120) or number 2 AVB bridge (220) when sufficient resources, to Listener Talker Advertise message is transferred, path delay sufficient Listener Ready transmits the message over time and resources. (S224)

Said Ready message number 1 AVB bridge (120) or number 2 AVB bridge (220) which receives and delivers the message to endpoint Talker Ready port resources. (S225)

Said Ready message Talker end point stream begins the transmission of other. (S226)

In addition, number 1 AVB bridge (120) is congestion number control unit (123) constituting the stream through [...] are constant distribution, reserved bandwidth stream form a transmission time of the packet number plower manner performs traffic shaping. (S230)

And, number 1 AVB bridge (120) ADP (AVDECC Discovery protocol) is prepared with state recognizing portion (124) through periodic transferring a message via bridge and endpoint or not the other. (S240)

In addition, number 1 AVB bridge (120) is prepared with stream connection ACMP (AVDECC Connection Management Protocol) (125) through stream so as to connect and for number to each other. (S250)

And, number 1 AVB bridge (120) is prepared with function AECP (AVDECC Enumeration and Control Protocol) information unit (126) that is connected to the network through the number of function decodes the ID to the number. (S260)

In step 300, number 1 AVB bridge (120) said sent voice, video and message including information within a domain number 1 number 1 AVB like output terminal (110) are sent to the output or, (S310) number 1 number 1 AVB external domain are sent at normal bridge (130) transmitted to. (S320)

In step 400, normal bridge number 1 (130) said sent voice, video and message including information like normal bridge number 2 (230) through number 2 AVB bridge (220) transmitted to.

In step 500, said number 2 AVB bridge (220) said sent voice, video and message including information like output terminal number 2 (210) between through the embodiment is outputted.

Said method without a separate server such as Image messenger through simple form of and message transmission is by configuring the network embodiment, Image messenger hereinafter for a localized area can be output, without data is transmitted by the external server, comprising protective effect for securing data and personal information.

A feature of the present invention sends more description is provided to exemplify the generally described, the present invention if the properties of the present invention is provided to essentially inputted from deviating from a person with skill in the art in various modifications and deformable will.

Thus, the present invention in the embodiment of the present invention are to define the disclosure but rather to explain the feature and, in the embodiment of the present invention by not the limited range of such feature.

Under the protection range of the present invention must be interpreted by fee so as to range, and the range of the present invention feature in a range equal to all rights will be interpreted.