WO2012079320A1

WO2012079320A1 - Method, device and system for multimedia transmission

Info

Publication number: WO2012079320A1
Application number: PCT/CN2011/072438
Authority: WO
Inventors: 周丽敏
Original assignee: 中兴通讯股份有限公司
Priority date: 2010-12-13
Filing date: 2011-04-02
Publication date: 2012-06-21
Also published as: CN102572363A

Abstract

A method for multimedia transmission is disclosed in the present invention, which is used for improving video transmission modes. At a multimedia machine side, the method includes that: the multimedia machine obtains multimedia data from a mobile terminal; and the multimedia machine refreshes a peripheral display screen according to the obtained multimedia data. At the mobile terminal side, the method includes that: the mobile terminal connects with the multimedia machine, and obtains the configuration information of the multimedia machine; and after determining that the configuration information of the multimedia machine matches local configuration information, the mobile terminal transmits the multimedia data to the multimedia machine. A device and system for implementing the method are also disclosed in the present invention.

Description

Method, device and system for multimedia transmission

The present invention relates to multimedia transmission technologies, and more particularly to a method, apparatus and system for multimedia transmission. Background technique

It has been predicted that a new science and technology often changes an era. The emergence and application of new technologies is often the original and most important driving force for the transformation of the media, as evidenced by changes in the field of human transmission over the centuries. Mobile phones are a mobile communication tool and have become the most powerful and popular communication tool in Chinese cities. At present, the number of mobile phone users nationwide has reached 380 million, exceeding the total urban population in the country. It is worth noting that today, mobile phones are not only a communication-only communication tool. In fact, mobile phones have become a personalized multimedia receiver for information dissemination and entertainment. Mobile phones have unique advantages in information dissemination and entertainment: easy to carry, real-time communication, interactive, personalized service, high penetration rate. Adapting to the needs of today's Chinese society, the pace of life is fast, the population is moving, and the demand for personalized services is strong. Moreover, the third-generation communication system speeds up the transmission of sound and data. It can handle images, music, video and other media, providing a variety of information services including web browsing, teleconferencing, and e-commerce. In the foreseeable future, with the advent of the third generation (3G, 3rd Generation) mobile communication era, new media based on mobile phone short messages will take a strong attack and quickly occupy the media market, and this strong position will continue Been strengthened. The transition from paper, radio, wireless, cable TV to LCD screens, mobile receivers, from passive reading (viewing, listening) to active browsing (linking), interactive transitions.

The compact size of the phone facilitates portability, and from another perspective, its smaller display affects viewing comfort during video display. Summary of the invention

Embodiments of the present invention provide a method, device, and system for multimedia transmission, which are used to improve a video transmission mode.

A multimedia transmission method is applied to a multimedia machine side, and includes the following steps: the multimedia machine obtains multimedia data from a mobile terminal;

The multimedia machine performs a screen display according to the obtained multimedia data to the external display screen.

A multimedia transmission method, applied to a mobile terminal side, includes the following steps: a mobile terminal is connected to a multimedia machine, and obtains configuration information of the multimedia machine;

After the mobile terminal determines that the configuration information of the multimedia device matches the local configuration information, the mobile terminal transmits the multimedia data to the multimedia device.

A multimedia machine, including:

a first interface module, obtaining multimedia data from the mobile terminal;

a second interface module, configured to be connected to the display screen;

And a driving module, configured to perform a screen refreshing on the display screen that is externally connected to the second interface module according to the obtained multimedia data.

A mobile terminal includes:

a first interface module, configured to connect to the multimedia device, obtain configuration information of the multimedia device, and determine that the configuration information of the multimedia device matches the local configuration information, and then transmit the multimedia data to the multimedia device;

The configuration module is configured to match the configuration information of the multimedia device with the local configuration information. A multimedia system, comprising: a mobile terminal, a multimedia machine, and a display screen; wherein the mobile terminal is configured to obtain multimedia data through a wireless network;

a multimedia machine, configured to obtain multimedia data from a mobile terminal, and perform a screen refreshing according to the obtained multimedia data;

Display for displaying based on multimedia data. In the embodiment of the present invention, the mobile terminal outputs the video data to the external display through the multimedia device. Preferably, the size of the external display is larger than the size of the display on the mobile terminal, thereby solving the smaller display of the mobile terminal. problem. DRAWINGS

1 is a flowchart of a method for video transmission on a multimedia machine side according to an embodiment of the present invention; FIG. 2 is a flowchart of a method for video transmission on a mobile terminal side according to an embodiment of the present invention; FIG. 3 is a mobile terminal to a multimedia machine according to an embodiment of the present invention; Flow chart of a method for transmitting multimedia data;

4 is a flow chart of a method for a mobile terminal to transmit video data to a multimedia machine according to an embodiment of the present invention;

5 is a flow chart of a method for a multimedia device to transmit multimedia data to a mobile terminal according to an embodiment of the present invention;

6 is a flow chart of a method for a multimedia device to transmit video data to a mobile terminal according to an embodiment of the present invention;

FIG. 7 is a main structural diagram of a multimedia machine according to an embodiment of the present invention; FIG.

FIG. 8 is a detailed structural diagram of a multimedia machine according to an embodiment of the present invention; FIG.

FIG. 9 is a main structural diagram of a mobile terminal according to an embodiment of the present invention;

FIG. 10 is a detailed structural diagram of a mobile terminal according to an embodiment of the present invention;

11 is a main structural diagram of a multimedia system according to an embodiment of the present invention;

FIG. 12 is a detailed structural diagram of a multimedia system according to an embodiment of the present invention. detailed description

In the embodiment of the present invention, the mobile terminal outputs the video data to the external display through the multimedia device. Preferably, the size of the external display is larger than the size of the display on the mobile terminal, thereby solving the smaller display of the mobile terminal. problem. Referring to FIG. 1, the method for video transmission on the multimedia machine side in this embodiment is as follows: Step 101: The multimedia device obtains multimedia data from the mobile terminal.

Step 102: The multimedia device performs a screen refreshing according to the obtained multimedia data. The multimedia data in this embodiment includes pictures, images, and the like, and may also include audio data. In this embodiment, the multimedia device is a newly added device, and the mobile terminal is connected to the multimedia device and exchanges data, so the method on the mobile terminal side is also improved.

Referring to FIG. 2, the method for video transmission on the mobile terminal side in this embodiment is as follows: Step 201: The mobile terminal is connected to the multimedia device, and obtains configuration information of the multimedia device. Step 202: After the mobile terminal determines that the configuration information of the multimedia device matches the local configuration information, the mobile terminal transmits the multimedia data to the multimedia device.

The multimedia machine can include an audio module to process audio and play audio. The mobile terminal can transmit both audio data and video data to the multimedia machine. Alternatively, the mobile terminal utilizes its own internal audio module to process audio and play audio, that is, only need to transmit video data to the multimedia machine. In addition, if a multimedia camera is connected to the camera, the captured multimedia data can also be transmitted to the mobile terminal. The implementation process will be described in detail below through four exemplary embodiments.

Referring to FIG. 3, in the embodiment, a method for a mobile terminal to transmit multimedia data to a multimedia device is as follows:

Step 301: The mobile terminal establishes a physical connection with the multimedia machine. The physical connection includes connections such as Bluetooth, infrared, cable, and the like.

Step 302: The mobile terminal sends a detection command to the multimedia machine.

Step 303: After receiving the detection command, the multimedia device feeds back the local configuration information to the mobile terminal. Step 304: The mobile terminal matches the received configuration information with the local configuration information. For example, detecting whether the codec format supported by the mobile terminal includes a locally used codec format or the like. When matching, continue the following process. When there is no match, the process ends and an error message can be output to the user. Step 305: The mobile terminal feeds back to the multimedia machine a message that the connection is successful. At this point, the mobile terminal establishes a logical connection (or link connection) with the multimedia machine.

Step 306: The multimedia machine drives an external display. This step is equivalent to starting an external display. The display can be a display device such as a liquid crystal television or a display.

The above is the connection process between the mobile terminal and the multimedia machine. After the connection is established, if the mobile terminal has a demand for outputting multimedia data, the following steps are continued.

Step 307: The multimedia machine obtains multimedia data from the mobile terminal. The process may be that the mobile terminal sends multimedia data to the multimedia machine, or the mobile terminal may notify the multimedia device to read the multimedia data in the storage module of the mobile terminal. And, the multimedia data may be multimedia data stored in the mobile terminal, such as a movie, or the like, or may be multimedia data obtained by the mobile terminal through the wireless network, such as voice data and video data during a video call.

Step 308: The multimedia machine decodes the obtained multimedia data.

Step 309: The multimedia device performs a screen display according to the external display screen of the video data in the decoded multimedia data. The multimedia player can also play audio data through a local audio module.

In this embodiment, the audio is played by the multimedia machine and the display of the display screen is driven, which solves the problem that the power amplifier of the mobile terminal is small and the local display screen is small, and the audiovisual effect can be improved by the multimedia machine.

Referring to FIG. 4, the method for the mobile terminal to transmit video data to the multimedia device in this embodiment is as follows:

The mobile terminal establishes a connection with the multimedia machine.

Step 401: The mobile terminal obtains multimedia data through a wireless network. For example, during a video call, the mobile terminal obtains multimedia data transmitted by the opposite end, including video data and audio data.

Step 402: The mobile terminal extracts video data from the multimedia data.

Step 403: The mobile terminal transmits the extracted video data to the multimedia machine.

Step 404: The multimedia machine decodes the obtained video data.

Step 405: The multimedia device performs a screen refreshing on the external display screen according to the decoded video data. Step 406: The mobile terminal decodes the audio data.

Step 407: The mobile terminal plays the decoded audio data.

Step 404 and step 405 and step 406 and step 407 can be performed simultaneously. The synchronization signal can be transmitted between the mobile terminal and the multimedia device to maintain synchronization.

In this embodiment, the multimedia device performs a screen swipe, and the mobile terminal performs audio playback, and the multimedia device and the mobile terminal cooperate to realize audio and video playback. The problem that the local display of the mobile terminal is small is solved by the multimedia machine and the external display screen, and the function of playing the audio by the mobile terminal itself is utilized.

Referring to FIG. 5, in the embodiment, a method for transmitting multimedia data to a mobile terminal by a multimedia machine is as follows:

The mobile terminal establishes a connection with the multimedia machine. The mobile terminal starts a video call.

Step 501: The multimedia machine obtains video data through an external camera.

Step 502: The multimedia machine encodes the video data.

Step 503: The multimedia machine obtains audio data through the audio module. For example, an audio module includes a device such as a microphone.

Step 504: The multimedia machine encodes the audio data.

Step 501 and step 502 and step 503 and step 504 can be performed simultaneously.

Step 505: The multimedia machine combines the encoded audio data and the video data into one multimedia data.

Step 506: The multimedia machine transmits the multimedia data to the mobile terminal.

Step 507: The mobile terminal sends the multimedia data through the wireless network.

In this embodiment, the video data captured by the external camera is obtained by the multimedia device, and the audio data obtained by the local audio module is obtained. Because it is an external camera, its position can be more flexible, which solves the problem that the position of the camera on the mobile terminal is relatively fixed. Preferably, the power amplifier of the microphone and the like on the multimedia machine is higher than the power amplifier of the mobile terminal, and the multimedia machine captures the audio data, and To solve the problem that the power amplifier of the mobile terminal is small, a high-quality video call can also be performed in a scenario where it is inconvenient to hold the mobile terminal such as driving.

Referring to FIG. 6, the method for transmitting a video data by a multimedia machine to a mobile terminal in this embodiment is as follows:

Step 601: The multimedia machine obtains video data through an external camera.

Step 602: The multimedia machine encodes the video data.

Step 603: The mobile terminal obtains audio data through the audio module. For example, an audio module includes a device such as a microphone.

Step 604: The mobile terminal encodes the audio data.

Step 601 and step 602 can be performed in synchronization with steps 603 and 604.

Step 605: The multimedia machine transmits the video data to the mobile terminal.

Step 606: The mobile terminal combines the encoded audio data and the video data into one multimedia data.

Step 607: The mobile terminal sends the merged multimedia data through the wireless network.

In this embodiment, the multimedia device cooperates with the mobile terminal to obtain multimedia data, and solves the problem that the camera of the mobile terminal is relatively fixed through the external camera, and utilizes the audio function of the mobile terminal itself.

Through the above description, the transmission process of multimedia data is understood. The process is mainly implemented by the mobile terminal and the multimedia machine. The internal structure and functions of the two devices are introduced below.

Referring to FIG. 7, the multimedia device in this embodiment includes: a first interface module 701, a second interface module 702, and a driving module 703.

The first interface module _{701 is} connected to the mobile terminal and is configured to obtain multimedia data from the mobile terminal. The first interface module 701 is further configured to send configuration information of the multimedia device to the mobile terminal.

The second interface module 702 is configured to be connected to the display screen. The driving module 703 is configured to perform screen refreshing on the external display screen through the second interface module 702 according to the obtained multimedia data. Specifically, after the first interface module 701 receives the message that the connection is successfully returned by the mobile terminal, the driving module 703 drives the external display screen.

The multimedia machine also includes: a decoding module 704, as shown in FIG. The decoding module 704 is configured to decode the obtained encoded multimedia data.

The multimedia machine further includes: a third interface module 705, connected to the camera, configured to obtain multimedia data through the external camera, and send the multimedia data to the mobile terminal through the first interface module 701.

The multimedia machine further includes: an audio module 706, a processing module 707, a storage module 708, and a power supply module 709.

The audio module 706 is used to obtain and process audio data, including encoding and decoding data, and the like. A processing module 707, such as a CPU, is used to control the operation of the multimedia machine, including controlling the operation of each module in the multimedia machine. The storage module 708 is used to store configuration information and program codes required for each module to operate, and the like. The power supply module 709 is used to power the multimedia device or to connect other power supply devices.

Referring to FIG. 9, the mobile terminal in this embodiment includes: a first interface module 901 and a configuration module.

902.

The first interface module _{901 is} configured to connect to the multimedia device, obtain configuration information of the multimedia device, and determine that the configuration information of the multimedia device matches the local configuration information, and then transmit the multimedia data to the multimedia device.

The configuration module 902 is configured to match the configuration information of the multimedia device with the local configuration information. The mobile terminal further includes: an extraction module 903, as shown in FIG. The extraction module 903 is for extracting video data from the multimedia data. The first interface module 902 transmits the extracted video data to the multimedia device.

The first interface module 901 is also used to obtain multimedia data from the multimedia machine. Mobile terminal The second interface module 904 includes a radio frequency device for performing wireless communication, in particular, transmitting the obtained multimedia data through a wireless network.

The mobile terminal further includes: an audio module 905, a processing module 906, and a storage module 907.

The audio module 905 is used to obtain and process audio data, including encoding and decoding data and the like. A processing module 906, such as a CPU, is used to control the operation of the multimedia machine, including controlling the operation of each module in the multimedia machine. The storage module 907 is used to store configuration information and program codes and the like required for each module to operate.

In this embodiment, the multimedia device and the mobile terminal can form a multimedia system. As shown in FIG. 11, the multimedia system includes: a mobile terminal 1101, a multimedia machine 1102, and a display screen 1103.

The mobile terminal 1101 is for obtaining multimedia data through a wireless network.

The multimedia device 1102 is configured to obtain multimedia data from the mobile terminal 1101, and perform a screen display on the external display 1103 according to the obtained multimedia data.

The display 1103 is for displaying based on multimedia data.

Specifically, the mobile terminal 1101 is configured to extract video data and audio data from the multimedia data, and play the audio data according to the audio data. The multimedia machine 1102 is configured to obtain video data from the mobile terminal, and perform a screen display on the external display 1103 according to the obtained video data.

Alternatively, the multimedia machine 1102 is configured to extract video data and audio data from the multimedia data, play the audio data according to the audio data, and perform a screen display on the external display 1103 according to the obtained video data.

The multimedia system also includes: Camera 1104, see Figure 12. A camera 1104 is coupled to the multimedia device 1102 for obtaining video data. The multimedia machine 1102 is further configured to transmit the multimedia data obtained by the external camera 1104 to the mobile terminal 1101. The mobile terminal 1101 is configured to combine the locally obtained audio data and the video data obtained from the multimedia machine 1102 into one multimedia data, and transmit the combined multimedia data through the wireless network.

Alternatively, after the camera 1104 obtains the video data, the multimedia machine 1102 is also used to pass the local The audio module obtains audio data, and combines the locally obtained audio data with the video data obtained by the camera to obtain multimedia data, and transmits the obtained multimedia data to the mobile terminal.

1101.

In the embodiment of the present invention, the mobile terminal outputs the video data to the external display through the multimedia device. Preferably, the size of the external display is larger than the size of the display on the mobile terminal, thereby solving the smaller display of the mobile terminal. problem. Moreover, in the embodiment of the present invention, the multimedia device can be connected to a device such as a camera, and the obtained video data is transmitted to the mobile terminal, so that the video call is no longer limited to the camera of the mobile terminal, for example, when it is inconvenient to hold the mobile terminal, such as Video can also be passed while driving. The multimedia machine can also include an audio module to play and obtain audio data to enhance the power of the voice. The multimedia device can be an in-vehicle device, a television set-top box, or the like.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can be embodied in the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart and/or block diagrams, and combinations of flows and/or blocks in the flowcharts and/or block diagrams can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that stored in the computer readable memory The instructions in the reservoir produce an article of manufacture comprising an instruction device that implements the functions specified in one or more blocks of the flow or in a flow or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram. The spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and modifications of the invention

Claims

Claim

A method for multimedia transmission, characterized in that a mobile terminal is connected to a multimedia machine, and a display screen is connected to the multimedia machine; the method comprises the following steps:

The multimedia machine obtains multimedia data from the mobile terminal;

2. The method according to claim 1, wherein before the multimedia machine obtains the multimedia data from the mobile terminal, the method further comprises the steps of: connecting the multimedia device to the mobile terminal, and transmitting the configuration information of the multimedia device to the mobile terminal, After receiving the message that the connection from the mobile terminal is successful, the external display is driven.

3. The method according to claim 1, wherein the obtained multimedia data is encoded multimedia data;

After the multimedia machine obtains the multimedia data from the mobile terminal, the method further includes the step of: the multimedia machine decoding the obtained encoded multimedia data.

4. The method according to claim 1, further comprising the steps of: the multimedia device obtaining the multimedia data through the external camera, and transmitting the multimedia data to the mobile terminal.

A method for multimedia transmission, comprising the steps of:

The mobile terminal is connected to the multimedia machine, and obtains configuration information of the multimedia machine;

The method according to claim 5, wherein the step of the mobile terminal transmitting the multimedia data to the multimedia machine comprises: the mobile terminal extracting the video data from the multimedia data, and transmitting the extracted video data to the multimedia machine .

7. The method according to claim 5, further comprising the steps of: the mobile terminal obtaining multimedia data from the multimedia machine, and transmitting the obtained multimedia data through the wireless network.

8. A multimedia machine, comprising:

a first interface module, obtaining multimedia data from the mobile terminal;

a second interface module, configured to be connected to the display screen;

The multimedia device according to claim 8, further comprising: a third interface module, configured to obtain multimedia data by using an external camera, and send the multimedia data to the mobile terminal by using the first interface module.

10. A mobile terminal, comprising:

The configuration module is configured to match the configuration information of the multimedia device with the local configuration information.

11. A multimedia system, comprising: a mobile terminal, a multimedia machine, and a display screen;

a mobile terminal, configured to obtain multimedia data through a wireless network;

Display for displaying based on multimedia data.

The multimedia system according to claim 11, wherein the mobile terminal is configured to extract video data and audio data from the multimedia data, and play according to the audio data; and the multimedia machine is configured to obtain video data from the mobile terminal. And according to the obtained video data, the external display screen is swiped.

The multimedia system according to claim 11, wherein the multimedia machine is configured to extract video data and audio data from the multimedia data, and play the data according to the audio data. And the external display screen is swept according to the obtained video data.

The multimedia system according to claim 11 or 12, further comprising: a camera connected to the multimedia machine for obtaining video data;

The multimedia machine is further configured to send the multimedia data obtained by the external camera to the mobile terminal; the mobile terminal is configured to combine the locally obtained audio data and the video data obtained from the multimedia machine into one piece of multimedia data, and send the combined data through the wireless network. Multimedia data.

The multimedia system according to claim 11 or 13, further comprising: a camera connected to the multimedia machine for obtaining video data;

The multimedia machine is further configured to obtain audio data through a local audio module, and combine the locally obtained audio data with the video data obtained by the camera to obtain multimedia data, and transmit the obtained multimedia data to the mobile terminal.