TWI492148B - Wireless Playback System and Its Method - Google Patents

Description

Wireless playing system and method thereof

The present invention relates to a playback system, and more particularly to a wireless playback system and method thereof.

With the development of technology and information communication technology, various multimedia content and peripheral devices are constantly being updated. In a conventional display system, the multimedia content is transmitted through a Digital Visual Interface (DVI), a Video Graphic Array (VGA), or a High Resolution Media Interface (High Digital Media Interface). Referred to as HDMI) and other signal lines to connect a signal source interface of a host device and a plurality of various playback devices distributed in the home environment. The plurality of peripheral devices (such as a mouse, a keyboard, or a microphone) of the host device connect the host device with a cable and an extension cable.

Since the display devices and the peripheral devices are all transmitted through the cable, not only is the movement inconvenient, but the complicated circuit also causes the environment to be unattractive; therefore, how to solve the problem between the host device and the display device and the external peripheral device; The wired connection problem has become an important issue.

Accordingly, it is an object of the present invention to provide a wireless playback system.

Therefore, the wireless broadcast system of the present invention comprises a host device, a mediation device, and at least one playback device that wirelessly communicates with the host device through the mediation device; wherein the host device includes a host communication unit a host interface unit, and a host-side processing unit electrically connected to the host-side communication unit and the user interface unit, the host-side processing unit having a host-side encoding processing module, wherein the host-side communication unit For performing wireless communication with the mediation device, the user interface unit is configured for the user to perform a play mode setting corresponding to the at least one playback device, and the host terminal processing unit generates a control signal according to the play mode setting. The host-side encoding processing module is configured to generate a plurality of universal sequence bus-slot packets conforming to a universal sequence bus bar format according to the control signal and a source data, and wirelessly transmit corresponding general-purpose sequence sinks through the host-side communication unit. Encapsulating a plurality of wireless packets to the intermediary device; wherein, the middle The end device includes a mediation communication unit, and a mediation processing unit electrically connected to the mediation communication unit, the mediation processing unit has a mediation decoding processing module, and a determination module, wherein the mediation end The communication unit is configured to receive the universal sequence bus packet, and the mediation decoding module is configured to obtain the control signal and the original data according to the universal sequence bus packet, and the determining module is configured to perform the control signal according to the control signal. Judging, and transmitting the original data to the corresponding playing device for playing according to the result of the judgment.

Another object of the present invention is to provide a wireless playback method.

The wireless playback method of the present invention is applicable to a wireless playback system including a host device, a mediation device, and at least one playback device. The wireless playback method includes the following steps: (a) the host device generates a control signal; b) the host device generates a plurality of universal sequence bus bar packets conforming to a universal sequence bus bar format according to the control signal and a source data; (c) the host device performs format conversion on the universal sequence bus bar packet to Generating a plurality of wireless packets conforming to a wireless communication protocol; (d) the host device transmits the wireless packets to the mediation device; (e) the mediation device performs format conversion on the received wireless packets to Obtaining the universal sequence bus packet corresponding to the wireless packet; (f) the mediation device according to the universal sequence bus packet to obtain the original data and the control signal; and (g) the mediation device according to The original data and the control signal are transmitted to the corresponding playback device for playback.

The present invention provides a wireless broadcast system and method for wirelessly connecting the host device, the at least one playback device, and the peripheral devices by the host communication unit and the mediation communication unit. Moreover, the determining module of the mediation device is used to implement the functions of the playback devices respectively playing different content.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments.

Referring to FIG. 1 and FIG. 2, the wireless playback system 1 of the present invention comprises a host device 2, a mediation device 3, and at least one playback device 41 for wirelessly communicating with the host device 2 through the mediation device 3. The playback device 41 is a video playback device, an audio playback device, or a playback device having a combination of functions. The video playback device, such as a display panel, a computer screen, an electronic photo frame, and the like; the audio playback device, such as a speaker, a wireless headset, and the like; and a playback device having a combination of functions, such as a television, a notebook computer, a smart phone, etc. Device.

The host device 2 includes a host communication unit 21, a user interface unit 22, and a host processing unit 23. The host-side communication unit 21 is configured to send and receive a plurality of wireless packets, and communicate with the intermediate device 3 by using a wireless manner. The user interface unit 22 is a display screen, a mouse, a keyboard or a touch screen for the user to perform an interactive operation to perform a play mode setting corresponding to the at least one playback device 41.

The host processing unit 23 is electrically connected to the host communication unit 21 and the user interface unit 22. The host-side processing unit 23 has a device control module 231, a host-side encoding processing module 232, and a host-side wireless signal packet processing module 233. The device control module 231 is configured to generate a device setting interface 5, and the device setting interface 5 is presented through the user interface unit 22 to perform a play mode setting corresponding to the at least one playback device 41. The device control module 231 also generates a control signal according to the play mode setting for controlling the corresponding play mode of the playback device 41.

The host-side encoding processing module 232 compresses and encodes a raw data according to the control signal to generate a plurality of universal serial bus packet conforming to a universal serial bus format. The host-side wireless signal packet processing module 233 converts the universal sequence bus-slot packets into a plurality of wireless packets conforming to a wireless communication protocol.

The mediation device 3 includes a mediation communication unit 31, a mediation processing unit 32, and a universal serial bus connection interface unit 33. The mediation communication unit 31 is configured to send and receive the wireless packets, and communicate with the host device 2 and the at least one playback device 41 by using a wireless method.

The mediation processing unit 32 has a mediation wireless signal packet processing module 321, a mediation decoding processing module 322, and a determination module 323. The mediation wireless signal packet processing module 321 is configured to format the wireless packets received by the mediation communication unit 31 into the universal sequence bus packet. The mediation decoding processing module 322 is configured to obtain the control signal and the original data according to the universal sequence bus packet.

The determining module 323 is configured to perform the determining according to the control signal and the original data, and transmit the original data to the corresponding playback device 41 for playing according to the determination result.

The universal serial bus connection interface unit 33 is configured to connect to at least one peripheral device 42 of the host device 2 to wirelessly receive a device data transmitted by the at least one peripheral device 42. The at least one peripheral device 42 is a mouse. Universal keyboard serial peripheral devices such as keyboards, microphones, printers, scanners, etc., but not limited to this disclosure. For example, a mouse wireless receiver of a mouse device is connected to the universal serial bus connection interface unit 33, and receives the device data transmitted by the mouse device by using wireless Bluetooth technology.

It is to be noted that, in the preferred embodiment, the mediation communication unit 31 is further configured to receive a plurality of wireless packets corresponding to a network data, and the mediation wireless signal packet processing module 321 mediates the mediation The wireless packets corresponding to the network data received by the end communication unit 31 are format converted into the universal sequence bus packet. The mediation decoding processing module 322 is configured to obtain the network data according to the universal sequence bus packet. The determining module 323 determines that the network data is an image data or an audio data, and transmits the image data to the video playing device for display according to the determining result, and the audio data is transmitted to the audio playing device for playing. .

Referring to FIG. 2, FIG. 3 and FIG. 4, in response to the preferred embodiment of the wireless broadcast system 1, a wireless play method is provided below to explain the interaction between the modules in detail. The wireless playback method includes an initialization process, a host process, and a mediation process.

The initialization process

When the wireless broadcast system 1 is used for the first time, an initialization step is performed. In the initializing step, the user uses the device setting interface 5 presented by the user interface unit 22 to set the host device 2 respectively. The corresponding play mode setting of the playback device 41 is set.

In the preferred embodiment, an embodiment of the device setting interface 5 has a mode setting function column 51 and a display area 52. The mode setting function column 51 has a device setting option 511 and a resolution setting option 512. a color setting option 513, an on-screen setting option 514, and a wireless switch setting option 515. When the user selects the device setting option 511 through the user interface unit 22, the device control module 231 generates a device setting. The interface 53 is presented to the user through the display area 52, and the user selects one of the playback devices 531 corresponding to the playback mode to be set, and sets a primary playback corresponding to the host device 2. Device 532. When the user selects the resolution setting option 512 through the user interface unit 22, the device control module 231 generates a resolution setting sub-interface (not shown) and presents it to the user through the display area 52 for use. The settings are made to correspond to a display resolution (eg, one of 1024x768, 800x600, or 1280x600) of the playback device 531. When the user selects the color setting option 513 through the user interface unit 22, the device control module 231 generates a color setting sub-interface (not shown) and presents it to the user through the display area 52 for the user to perform. A display color (for example, one of 16 bits or 32 bits) of the playback device 531 is set. When the user selects the on-screen setting option 514 through the user interface unit 22, the device control module 231 generates an on-screen display sub-interface (not shown) and presents it to the user through the display area 52 for use. A setting is made in which one display direction of the playback device 531 (for example, one of normal, 90 degrees of rotation, 180 degrees of rotation, or 270 degrees of rotation). When the user selects the wireless switch setting option 515 through the user interface unit 22, the device control module 231 generates a wireless setting sub-interface (not shown) and presents it to the user through the display area 52 for the user. A setting is made in which a wireless transmission function of the playback device 531 is turned on or off.

Host-side process

Referring to FIG. 3, in step S601, the device control module 231 performs the playback mode setting of the playback device 531 according to the user setting the interface 5 to generate the control signal. The control signal has a control signal. The device information of the playback device 531 is indicated, and a resolution information, a color information, and a display direction information corresponding to the playback device 531 are indicated. It is worth mentioning that if the user does not perform the play mode setting on the playback device 531, the control signal generated by the device control module 231 is a preset value of the system, and further, a preset The device information in the control signal is set to the primary playback device 532. The resolution information is the optimal resolution corresponding to the primary playback device 532. The color information is 32 bits, and the display direction information is normal.

In step S602, the host-side encoding processing module 232 compresses and encodes the original data according to the control signal to generate the universal sequence bus-slot packets conforming to the universal sequence bus bar format. It is to be noted that, in the preferred embodiment, the host-side encoding processing module 232 performs compression encoding according to the resolution information and the color information indicated by the control signal, but in different applications, The host-side encoding processing module 232 can also compress and encode the original data according to information such as transmission speed, transmission distance, and network bandwidth.

In step S603, the host-side wireless signal packet processing module 233 performs format conversion according to the universal sequence bus-slot packets to generate the wireless packets that conform to the wireless communication protocol.

In step S604, the host communication unit 21 transmits the wireless packets.

The mediation process

Referring to FIG. 4, in step S701, the mediation communication unit 31 receives the wireless packets.

In step S702, the mediation wireless signal packet processing module 321 performs format conversion on the wireless packets received by the mediation communication unit 31 to obtain corresponding universal sequence bus packet packets.

In step S703, the mediation decoding processing module 322 decodes the general sequence bus bar packet to obtain the original data and the control signal.

In step S704, the determining module 323 determines the device information and the original data in the control signal, and transmits the original data to the corresponding playback device 531 for playing according to the determination result.

Referring to FIG. 5, steps S801 to S803, and steps S901 to S903 are used to describe the flow of wireless communication between the host device 2 and the at least one peripheral device 42.

In step S801, the universal sequence bus connection interface unit 33 receives the device data transmitted by the peripheral device 42.

In step S802, the mediation wireless signal packet processing module 321 converts the device data into the wireless packets that comply with the wireless communication protocol.

In step S803, the mediation communication unit 31 transmits the wireless packets to the host communication unit 21.

In step S901, the host communication unit 21 receives the wireless packets.

In step S902, the host wireless signal packet processing module 233 formats the wireless packets to obtain corresponding device data.

In step S903, the host-side processing unit 23 performs control processing corresponding to the device data.

In summary, the host-side wireless signal packet processing module 233 of the present invention transmits the original data of the host-side device 2 through the intermediary device. The device 3 is wirelessly transmitted to the corresponding playback device 531 for playback to solve the inconvenience caused by the wired connection. And the device setting interface 5 generated by the device control module 231 is configured for the user to set the play mode setting corresponding to the playback device 531 to generate the control signal, so that the at least one playback device 41 simultaneously displays Different audio and video content. On the other hand, the universal serial bus connection interface unit 33 can achieve the purpose of wirelessly connecting the host device 2 to the at least one peripheral device 42.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

1. . . Wireless playback system

2. . . Host device

twenty one. . . Host communication unit

twenty two. . . User interface unit

twenty three. . . Host processing unit

231. . . Device control module

232. . . Host-side encoding processing module

233. . . Host-side wireless signal packet processing module

3. . . Mediation device

31. . . Mediator communication unit

32. . . Mediation processing unit

321. . . Mediation wireless signal packet processing module

322. . . Intermediate decoding processing module

323. . . Judging module

33. . . Universal serial bus connection interface unit

41. . . Playback device

42. . . Peripherals

5. . . Device setting interface

51. . . Mode setting function column

511. . . Device setting options

512. . . Resolution setting options

513. . . Color setting options

514. . . On-screen display options

515. . . Wireless switch setting options

52. . . Display area

53. . . Device setting subinterface

531. . . Playback device

532. . . Main playback device

S601~S604. . . step

S701~S704. . . step

S801~S803. . . step

S901~S903. . . step

1 is a block diagram illustrating a preferred embodiment of a wireless playback system of the present invention; FIG. 2 is a schematic diagram showing a device setting interface presented in the preferred embodiment; FIG. 3 is a flow chart illustrating the present invention A host-side flow in a preferred embodiment of the wireless broadcast method; FIG. 4 is a flow chart illustrating a mediation flow in the preferred embodiment of the wireless broadcast method; and FIG. 5 is a flow chart. A flowchart in the preferred embodiment of the wireless playback method is illustrated.

1. . . Wireless playback system

2. . . Host device

twenty one. . . Host communication unit

twenty two. . . User interface unit

twenty three. . . Host processing unit

231. . . Device control module

232. . . Host-side encoding processing module

233. . . Host-side wireless signal packet processing module

3. . . Mediation device

31. . . Mediator communication unit

32. . . Mediation processing unit

321. . . Mediation wireless signal packet processing module

322. . . Intermediate decoding processing module

323. . . Judging module

33. . . Universal serial bus connection interface unit

41. . . At least one playback device

42. . . At least one peripheral device

Claims (10)

A wireless playback system includes a host device, a mediation device, and at least one playback device that wirelessly communicates with the host device through the mediation device; wherein the host device includes a host communication unit, a host interface unit, and a host-side processing unit electrically connected to the host-side communication unit and the user interface unit, the host-side processing unit has a host-side encoding processing module, wherein the host-side communication unit is used Wirelessly communicating with the mediation device, the user interface unit is configured to allow a user to perform a play mode setting corresponding to the at least one playback device, and the host end processing unit generates a control signal according to the play mode setting, the host The end coding processing module is configured to generate a plurality of universal sequence bus bar packets conforming to a universal sequence bus bar format according to the control signal and a source data, and wirelessly transmit a corresponding universal sequence bus bar packet through the host terminal communication unit. Multiple wireless packets to the mediation device; wherein the mediator The device includes a mediation communication unit and a mediation processing unit electrically connected to the mediation communication unit, the mediation processing unit has a mediation decoding processing module, and a determination module, wherein the mediation communication The unit is configured to receive the universal sequence bus packet, and the mediation decoding module is configured to obtain the control signal and the original data according to the universal sequence bus packet, and the determining module is configured to determine according to the control signal And transmitting the original data to the corresponding playing device for playing according to the result of the judgment. The wireless broadcast system of claim 1, wherein the host processing unit is further configured to generate a device setting interface, and display the device setting interface through the user interface unit for the user to perform setting The play mode setting of one of the playback devices. According to the wireless playback system of claim 1, the host processing unit has a device information according to the playback mode setting. The wireless playing system of claim 3, wherein the determining module of the mediation device transmits the original data to the corresponding playing device for playing according to the device information. The wireless broadcast system of claim 1, wherein the control signal generated by the host processing unit further has a resolution information and a color information. The wireless broadcast system of claim 5, wherein the host-side encoding processing module of the host-side processing unit is configured to generate the universal sequence according to the resolution information and the color information in the control signal. Bus bar packet. The wireless broadcast system of claim 1, wherein the host device further includes a host wireless signal packet processing module, configured to convert the universal serial bus packet into a plurality of wireless packets. And the wireless packets are transmitted to the intermediary device through the host communication unit. The wireless broadcast system of claim 1, wherein the mediation device further comprises a mediation wireless signal packet processing module for formatting the wireless packet received by the mediation communication unit. Convert to generate the universal sequence bus packet. According to the wireless broadcast system of claim 1, the intermediary communication unit is further configured to receive a plurality of wireless packets corresponding to a network data, and determine the results of the wireless packets according to the determining module, The network data is transmitted to the corresponding playback device for playback. A wireless playback method is applicable to a wireless playback system including a host device, a mediation device, and at least one playback device. The wireless playback method includes the following steps: (a) the host device generates a control signal; b) the host device generates a plurality of universal sequence bus bar packets conforming to a universal sequence bus bar format according to the control signal and a source data; (c) the host device performs format conversion on the universal sequence bus bar packet to Generating a plurality of wireless packets conforming to a wireless communication protocol; (d) the host device transmits the wireless packets to the mediation device; (e) the mediation device performs format conversion on the received wireless packets to Obtaining the universal sequence bus packet corresponding to the wireless packet; (f) the mediation device according to the universal sequence bus packet to obtain the original data and the control signal; and (g) the mediation device according to The original data and the control signal are transmitted to the corresponding playback device for playback.