KR100563719B1 - Method for controlling the multichannel streaming of mobile phone - Google Patents

Abstract

The present invention allows the mobile communication terminal to receive a streaming service by synchronizing a plurality of terminal users located in a short distance when receiving the streaming content from each other and receiving a streaming channel for each audio channel to receive the streaming service for each terminal. An object of the present invention is to provide a multi-channel streaming control method of a mobile communication terminal.

To this end, the present invention is to obtain a predetermined multi-channel streaming content information using any one of the N terminal, and then to synchronize the N terminals for setting the terminal to play the audio separated channels, and the synchronized The plurality of terminals that play audio among the multi-channel streaming contents among the N terminals perform streaming playback of the multi-channel audio, and when all of the predetermined multi-channel streaming contents are finished playing in the N terminals, the respective terminals are unsynchronized. Including the step of doing so, it provides a useful effect to receive a streaming service by corresponding to the audio multi-channel to each terminal.

Mobile terminal, multi-channel, streaming, content, audio, video, server

Description

Method for controlling the multichannel streaming of mobile phone}

1 is a view showing a state of use of a plurality of terminals according to the multi-channel streaming control of the present invention.

2 is a block diagram showing an operating state of a mobile communication system to which the present invention is applied.

3A and 3B are block diagrams illustrating a multi-channel streaming control operation of a mobile communication terminal according to an embodiment of the present invention.

4 is a block diagram illustrating an internal block structure according to an operation of a multi-channel receiving mobile communication terminal to which the present invention is applied.

5 is a flowchart illustrating the overall operation flow according to the multi-channel streaming control method of a mobile communication terminal according to an embodiment of the present invention.

The present invention relates to a multi-channel streaming control method of a mobile communication terminal, and more particularly, when receiving a streaming content in a mobile communication terminal, a plurality of terminal users located in a short distance are synchronized, and then each receives an audio channel for streaming service. The present invention relates to a multi-channel streaming control method of a mobile communication terminal for receiving a streaming service by corresponding an audio multi-channel to each terminal.

Streaming is a technology that allows audio / video files to be received and viewed in real time from the Internet, and is an Internet solution that implements audio / video multimedia contents on the Internet web.

Multichannel means that when audio channel is stereo, it has 2 channels, and recently, it is generalized to 5.1 channel.

The 5.1 channel means two channels of front left and right stereo channels and two channels of rear rare left and right stereo channels, and means 5.1 channels including one center speaker and a woofer 0.1 channel.

Types of streaming include Real Time Streaming Protocol (RTSP) and Realtime Transport Protocol (RTP). RTSP is used to implement streaming in TCP / IP (Transmission Control Protocol / Internet Protocol) environment, and RTP is UDP / IP (User Datagram). Protocol / Internet Protocol) environment.

Each of the RTP and RTSP servers communicates with the user. RTP is unidirectional communication, whereas RTSP is bidirectional communication.

As a result, users can implement features such as audio / video requests, skips, and pauses through RTSP.                         

Streaming transfers multimedia data over the Internet to a computer or mobile terminal, and minimizes the time required to send vast amounts of video and audio data to the Internet.

The biggest disadvantage is that streaming service is affected by network bandwidth, and it has a limitation of limited service because it requires more powerful computer or mobile terminal.

Recently, however, the Internet dedicated line is rapidly expanding, and computer and / or mobile communication services are also getting high performance.

Multimedia streaming refers to a technology that sends and receives multimedia data including audio / video files on the Internet in real time, not as a download. Streaming does not receive and process all the information at once. Instead, it receives and processes enough information in real time. It is a technique to do.

However, the current audio / video streaming service and the upcoming audio / video streaming service consume more bandwidth than other content and require real-time, so the quality of service (QoS) problem is also higher than that of other services. Big side.

In the conventional case, in a multimedia streaming service, when a content includes multiple audio channels, there is a problem in that a single terminal cannot express a multichannel effect.

In other words, conventional terminals usually have one speaker, and thus can represent one audio channel. Recently, terminals having two speakers have been introduced. In fact, there was a problem that the user is difficult to feel.

In particular, two or more audio channels have a problem that can not be expressed at all in the conventional terminal.

Accordingly, the present invention has been proposed to solve the above-mentioned problems. In the mobile communication terminal, when receiving streaming content, a plurality of terminal users located in close proximity are synchronized and then divided into audio channels to receive a streaming service. It is an object of the present invention to provide a multi-channel streaming control method of a mobile communication terminal to receive a streaming service corresponding to each terminal.

In order to achieve the above object, the present invention provides a control method for reproducing streaming content of a mobile communication terminal. Synchronizing N terminals for setting a terminal to be played, a plurality of terminals playing audio among multi-channel streaming contents among the synchronized N terminals, and streaming and playing multi-channel audio; When all of the predetermined multi-channel streaming content playback is finished, each terminal comprises the step of releasing the synchronization.

The synchronization is performed using a short range communication method, and the multi-channel streaming content information includes time information, multi-channel information, content title information, URL information of a server, etc. of streaming content to be played.

The multi-channel audio streaming playback is based on a video terminal located in the center of a plurality of users, the terminal on the front left and right play the left audio channel of the stereo audio channel, the terminal on the front and rear right around the video terminal Plays the right audio channel among stereo audio channels.

In the multi-channel audio streaming playback, an audio terminal in the center plays a center audio channel among stereo audio channels based on a video terminal centrally located among a plurality of users.

Any terminal among the synchronized N terminals may play a video, and the multi-channel for streaming the audio may be divided into multiple channels at the multimedia content server side, and among the N terminals, a server function may be provided. On the terminal side, the sound source may be separated into multiple channels.

The present invention provides a method for controlling streaming content of a mobile communication terminal, the method comprising: searching for a data file stored in a database of a multimedia content server using any one of N terminals; Synchronizing the N terminals to use the streaming content service after obtaining the playing time information and the multi-channel information, and the terminal for playing the video among the synchronized N terminals is a plurality of terminals for streaming the video and playing the audio. Streaming playback of the multi-channel audio, and if the predetermined playback of the multi-channel streaming content is finished at the N terminals, the respective terminals are de-synchronized.

The data file stored in the database of the multimedia content server is a digital packetized file.

According to an aspect of the present invention, there is provided a method for controlling streaming content of a mobile communication terminal, the method comprising: synchronizing N terminals to use multi-channel streaming content, and using any of the synchronized N terminals. Receiving a live broadcast data file that is currently being broadcast, the terminal playing the streamed video streams a video and the plurality of terminals playing the audio stream playing multi-channel audio, and in the N terminals If all of the multi-channel streaming content real-time playback is finished, each terminal comprises the step of de-synchronizing.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In the streaming service, the client (mobile communication terminal) may designate a desired starting position of the content in the "Range" header in the streaming play method when requesting the multimedia content from the multimedia server.

If the start position is specified, the streaming server (multimedia server) transmits the streaming content from the designated position.                     

The streaming server searches for a data file stored in a database of the multimedia content server using any of N terminals as a multimedia content server to obtain total time information of the corresponding data file.

In the present invention, when there are several (N) mobile communication terminals at a short distance, the reproduction of the entire streaming content is divided into several terminals and allocated.

For example, as shown in FIG. 1, a terminal 101 for reproducing a moving image video screen is disposed at the center of a plurality of users 100, and left audio is output from a stereo audio channel at the left side of the video terminal 101. The channel reproducing terminal 102 is arranged, and the right audio channel reproducing terminal 103 is arranged among the stereo audio channels to the right of the video terminal 101.

In addition to the above, if the audio is 4 channels, the terminal for rear left and right audio channel reproduction is additionally arranged.If the audio is 5 channels, two terminals are arranged in the front left and right stereo 2 channels, and the rear 2 left and right stereo 2 channels are additionally arranged. 6 terminals (1 video terminal and 5 audio terminals) can be used in total, such as additional terminals and another terminal on one center speaker.

Since the method of the present invention can be extended without limit to the number of terminals that can be interworked, various types of channels can be received by using at least two terminals.

In addition to the above, as another embodiment of the present invention, when a plurality of terminal users want to receive only audio signals by streaming and listen in multiple channels (for example, 5 channels), the terminal receiving the video file may be used as a multi-channel audio reception terminal. do.

2 is a block diagram illustrating an operation state of a mobile communication system to which the present invention is applied.

Hereinafter, referring to FIG. 2, the mobile communication system connects with the computer 280 through the Internet or a dedicated Internet network of a general landline 270.

The computer 280 has a code file to be transmitted to the terminal 210, each code file is divided into a predetermined size and compressed.

In order to connect directly with the computer 280, a mobile telecommunication switching center 250 is connected through an Internet network connected to a public switched telephone network (PSTN) / ISDN (260), and the mobile telecommunication switching station 250 A multimedia content server 240 and a base station controller 230 connected to the base station 211 connected to the base station controller 230 and a mobile communication terminal 210 connected to the base station 211 through a wireless link. It is composed.

The multimedia content server 240 stores multimedia content as a database, and streams various multimedia contents of an audio / video file including still images and videos required by the user terminal 210 to the user terminal 210 by streaming. Provide.

In the embodiment of the present invention, as described above, the multimedia content server 240 obtains various types of information of the multi-channel streaming content that you want to watch, but in another embodiment of the present invention, in addition to the above, the real-time broadcasting data currently being broadcast by the multimedia content provider. You can also stream the file directly.

Such a mobile communication system is connected to any one base station 211 when a user of any terminal makes or receives a multimedia content and a phone call using the mobile communication terminal 210.

3A and 3B are block diagrams illustrating a multi-channel streaming control operation of a mobile communication terminal according to an embodiment of the present invention.

In FIG. 3A, three mobile communication terminals 301, 302 and 303 are provided at a short distance, and each mobile communication terminal 301, 302 and 303 is a near field wireless means including Bluetooth. It is synchronized with each other using communication method of.

In the present invention, an embodiment of controlling multi-channel streaming using three mobile communication terminals 301, 302, and 303 for convenience is described. In addition to this, as many as three or more units are required, a plurality of terminals may be connected.

When the audio / video file including the predetermined video is received from the multimedia content server 240 by streaming, the audio / video file data to be received is divided and the video file is received by the first terminal 301 for streaming. The first audio channel signal is received by the second terminal 302 for streaming, and the second audio channel signal of the audio channel is received by the third terminal 303 for streaming.

In addition to the above, the third or more audio channel signals of the audio channels are received by the fourth or more terminals.

Here, as another embodiment of the present invention, when a plurality of terminal users want to receive only audio signals by streaming and listen to multiple channels (for example, five channels), the first terminal 301 that receives the video files may receive multi-channel audio. You can use it as a credit terminal.

The multimedia content server 240 has a multimedia content database and retrieves various audio files, video files, and audio / video file data stored in the multimedia content database, and includes information related to the total time to be reproduced and the multiple channels of the corresponding data file. In addition to the above, various information is obtained.

Firstly, the first terminal 301 receives 311 the video data through streaming, and at the same time, the second terminal 202 receives the first channel data from the audio channel 312 by streaming and simultaneously the third terminal. 303 receives 313 second channel data in an audio channel by streaming.

The audio multi-channel provides a separate multi-channel to each terminal if the multimedia content server 240 has a digital data value for separating the audio channel into multiple channels.

As another embodiment of the present invention, if the multimedia content server 240 does not have a digital data value divided into multiple channels, a terminal having a server function of receiving channel data among the terminals receives a sound source of a channel that is not separated. Then, the terminal separates the sound source into multiple channels and provides each audio terminal with a short range wireless means.

In addition, in the present invention, as shown in FIG. 3B, the first terminal 301 receiving video data by streaming 311 receives an audio channel together and then divides the audio channel into multiple channels, respectively, to the respective audio terminals 302 and 303. It may be provided by using a short range wireless means.

4 is a block diagram illustrating an internal block configuration according to an operation of a multi-channel receiving mobile communication terminal to which the present invention is applied. Hereinafter, in FIG. 4, a multimedia processor 430 plays a video / music file by streaming. Explain.

In FIG. 4, the mobile communication terminal 400 may be connected to an external device 491 such as a computer or another mobile communication terminal that may be connected to the mobile communication terminal 400.

The external device 491 is connected to a short range communication method such as wireless means communication, and is connected to various short range communication methods such as RS-232 communication in addition to the wireless means communication.

The mobile communication terminal 400 may be connected to a computer and connected to a server on the Internet, and has a function of processing a multimedia file and a corresponding caption format file published on the server by streaming.

The mobile communication terminal 400 may wirelessly access the multimedia content server 240 on the Internet, and wirelessly process the multimedia content data on the server 240 by streaming. Data service is available.

The specific configuration and operation of the mobile communication terminal 400 as described above are as follows.

The digital signal processor (hereinafter referred to as a DSP) 410 reduces processing burden of the CPU 450 when processing audio and image data by auxiliary processing of a digital audio signal such as input multichannel audio. .

The buffer memory 420 is a memory for temporarily storing data generated during the operation of the DSP 410, and the buffer memory 420 may use a RAM.

The multimedia processing unit 430 restores the sampled multi-channel audio signal by decompressing the data according to a predetermined protocol.

The external interface unit 480 interfaces with data transmitted and received to the external device 491 by connecting to the external device 491 or the like.

The external interface unit 480 may also be connected to the external device 491 and the like to wirelessly communicate with the external device 491 by using a short range communication method such as wireless means or Bluetooth.

The RF unit 470 receives the predetermined control and transmits and receives multimedia multi-channel files and data as well as a unique call function by wirelessly connecting to the Internet.

The CPU 450 includes a ROM (flash memory) for storing a program for controlling the overall operation of the mobile communication terminal 400 and a RAM for temporarily storing data generated during an operation of executing a multi-channel file.

In particular, according to the present invention, when the CPU 450 streams the multi-channel file data through the RF unit 470 and the multimedia multi-channel such as an image / music file of the external memory 492 or the internal flash memory 440, etc. Controls playback or streaming of data as a whole.                     

The display unit 460 displays various states occurring during the reproduction of the video / music multi-channel file under the control of the CPU 450 in the form of letters or numbers.

In particular, the embodiment of the present invention displays the matters related to the streaming of the data through the multimedia data playback and wireless connection under the control of the CPU 450 and the data streaming from the external device 491 through the external interface unit 480 do.

The audio output unit 490 amplifies an audio channel signal obtained by reproducing an image / music multichannel file under the control of the CPU 450 and outputs an audible sound for the user to hear.

FIG. 5 is a flowchart illustrating an overall operation flow according to a multi-channel streaming control method of a mobile communication terminal according to an embodiment of the present invention. When the operation is started, a multimedia content server using any one of N mobile communication terminals ( In operation 501, various types of information on the multi-channel streaming content that the user wants to watch are obtained.

In the embodiment of the present invention, as described above, the multimedia content server 240 obtains various information of the multi-channel streaming content that you want to watch (501), but in another embodiment of the present invention, the multimedia content provider is currently broadcasting. You can also stream live broadcast data files.

When the streaming content information is obtained (501), the plurality of terminals of the present invention have already set their tasks using a short range communication method.

For example, as shown in FIG. 1, a terminal 101 for reproducing a moving image video screen is set at a center centering on a plurality of users 100, and left audio of a stereo audio channel is located at the left center of the video terminal 101. A channel reproducing terminal 102 is set, and a right audio channel reproducing terminal 103 of stereo audio channels is set to the right of the video terminal 101.

In addition to the above, if the audio is 4 channels, additional terminals for rear left and right audio channel reproduction are additionally set; if the audio is 5 channels, two terminals are set for 2 front left and right stereo channels and the other 2 for rear rare left and right stereo channels. It is possible to set 6 terminals (1 video terminal and 5 audio terminals) in total by setting up additional terminals and adding another terminal to 1 channel of the center speaker.

The information includes both time information, multi-channel information, and various kinds of information of the reproduced streaming content.

In addition to the time information, predetermined information such as title information of a content and URL information of a server is included.

After the information on the streaming content is obtained (501), the N mobile communication terminals using the streaming content service are synchronized (502) to exchange shared information with each other using a short range communication method.

The short range communication method may use short range communication such as wireless means and Bluetooth.

From among the N mobile communication terminals, an audio / video terminal for using a multi-channel streaming content service is selected, the content information is analyzed, and a terminal position 503 for reproducing streaming content is determined using the analyzed time information and multi-channel information.

After determining a terminal location 503 to play the multi-channel streaming content, the first terminal plays 504 the analyzed video and audio multi-channel streaming content.

The video and audio multi-channel streaming content playback 504 is a terminal for video video screen playback in the center of the plurality of users to play the video, the terminal on the left center of the video terminal is left audio of the stereo audio channel The terminal on the right of the video terminal plays a right audio channel among stereo audio channels.

The first terminal performs streaming video content playback, and it is determined whether or not a plurality of terminals other than the first terminal finishes playing the multi-channel audio content (505).

As a result of the determination (505), if the playback is still in progress, the process of playing back the streaming content (504) is resumed. Release 506 and end all operations.

As described in detail above, the present invention synchronizes a plurality of terminal users located at a short distance when receiving a streaming content from a mobile communication terminal, and then separately divides the audio multi-channels into respective terminals by receiving and reproducing an audio multi-channel streaming service. It provides a useful effect of receiving streaming services.

Claims (10)

In the control method for playing the streaming content of the mobile communication terminal, Synchronizing the N terminals, comprising using each of the N terminals to obtain predetermined multi-channel streaming content information and then setting each terminal to distribute and play each channel of the multi-channel audio; A plurality of terminals for reproducing the audio of the multi-channel streaming content of the N terminals of the synchronized playback of the multi-channel audio; And when each of the N terminals finishes playing the predetermined multi-channel streaming content, each of the terminals comprises releasing synchronization. The method according to claim 1, The synchronization is a multi-channel streaming control method of a mobile communication terminal, characterized in that using a short-range communication method. The method according to claim 1, The multi-channel streaming content information includes time information of the streaming content to be reproduced, multi-channel information, title information of the content, URL information of the server, and the like. The method according to claim 1, And any of the synchronized N terminals so as to play a video. The method according to claim 1, The multi-channel for streaming the audio is multi-channel streaming control method of a mobile communication terminal, characterized in that for separating the sound source into multiple channels on the multimedia content server side. The method according to claim 1, The multi-channel for streaming the audio is multi-channel streaming control method of a mobile communication terminal, characterized in that the separation of the sound source in multiple channels at the terminal having a server function of the N terminals. In the control method for playing the streaming content of the mobile communication terminal, Searching for a data file stored in a database of a multimedia content server using any of N terminals; Synchronizing the N terminals to use the streaming content service after obtaining the play time information and the multi-channel information of the corresponding data file as a result of the search; The plurality of terminals for reproducing the audio of the synchronized N terminal to play the multi-channel audio streaming; And when each of the N terminals finishes playing the predetermined multi-channel streaming content, each of the terminals comprises releasing synchronization. The method according to claim 7, And a data file stored in a database of the multimedia content server is a digital packetized file. In the control method for playing the streaming content of the mobile communication terminal, Synchronizing the N terminals; A multi-channel streaming control method of a mobile communication terminal comprising the step of playing the streaming content at the same time. The method of claim 9, wherein the synchronizing step, A method of controlling multi-channel streaming of a mobile communication terminal, comprising: setting N terminals to distribute and reproduce each channel of the multi-channel audio.

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