CN101112082A - Method and apparatus for displaying words service in case of mute audio - Google Patents
Method and apparatus for displaying words service in case of mute audio Download PDFInfo
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- CN101112082A CN101112082A CNA2005800475599A CN200580047559A CN101112082A CN 101112082 A CN101112082 A CN 101112082A CN A2005800475599 A CNA2005800475599 A CN A2005800475599A CN 200580047559 A CN200580047559 A CN 200580047559A CN 101112082 A CN101112082 A CN 101112082A
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Abstract
A method for controlling two devices, separated from each other, during an audio muting mode operation. A control device causes an audio device to become muted during the audio muting mode (308). The control device also causes a video device to output a text service during the duration of the audio muting mode (306). Preferably, the text service corresponds to the audio portion of a media service.
Description
Technical field
The present invention relates to the audio and video equipment field, specifically is display text service when audio frequency apparatus is quiet.
Background technology
Along with the introducing based on the television transmission of numeral that will finish in the U.S. before the end of the year in 2006, all television transmissions based on simulation will stop.In order to receive this transmission, the receiver set-top box (having embedded digital TV tuner) that the user need have the HDTV (High-Definition Television) (HDTV) of integrated digital TV tuner or can be connected with existing simulated television or monitor based on numeral.Relate to higher cost because buy HDTV,, rather than buy new television set so many users select to use top box of digital machine and their old simulated television to come receiving digital television signal.
A problem based on the television transmission of numeral is to require this television set can handle close-captioned text.Particularly U.S. government requires according to Electronic Industries Association-708 (EIA-708) broadcast standard, uses close-captioned text to broadcast many TV programme based on numeral.Unfortunately, because old television set is not equipped with the text service that receives the decode based on EIA-708, so have only the HDTV television set can receive this text service.
When set-top box and simulated television or monitor were used in the lump, the user can receive the HD television transmission and with EIA 708 text service of using based on the TV signal of high definition.Adopt top box of digital machine, the user possibly can't obtain to make closed caption to appear at this feature on the display device when weakening the volume of TV programme.Reason is that set-top box is a constant volume equipment, and it is only with the constant volume output audio signal.The actual volume of TV programme is controlled at the display device place rather than at the set-top box place, the sending of display device control audio signal (from set-top box).Therefore, present set-top box can not reacted in response to order a little less than the volume down, and can not present text service when quiet generation, and simulated television equipment can not show the text service based on EIA 708 when quiet.
Also there is same problem in equipment for linking together by network (for example, using HAVI or AV/C), and wherein audio frequency apparatus can be independently with display device physically.At present, when making audio frequency apparatus quiet, display device can't be known the audio mute pattern or can't present text service in response to this silent mode.
Summary of the invention
The present invention a kind ofly need not user intervention and dynamically mates and the system that optimizes the Voice ﹠ Video state that can be exported by the multimedia equipment that links to each other.The present invention also proposes a kind of system that the Voice ﹠ Video state that can be used for exporting is carried out Dynamic matching and optimization according to selected multimedia service.
The present invention is particularly suitable for comprising the home entertainment system of a plurality of continuous multimedia equipments, and described a plurality of continuous multimedia equipments provide Voice ﹠ Video output.The present invention also with can receive multimedia service or object (for example MP3 music file or REAL PLAYER from communication network
TMFile) and the microcomputer that links to each other with multimedia equipment and the equipment that can enter the Internet work.
Description of drawings
Fig. 1 is the diagram of entertainment systems that comprises the Voice ﹠ Video multimedia equipment of a plurality of continuous multimedia equipments;
Fig. 2 is the diagram of the multimedia equipment that links to each other;
Fig. 3 is the block diagram according to the embodiment of the invention, the display text service in response to the audio mute pattern; And
Fig. 4 is the operational order table that connects the audio and video equipment system that interconnects by network.
Embodiment
In Fig. 1, show the example of the Voice ﹠ Video multimedia equipment in the entertainment systems 100 that comprises a plurality of continuous multimedia equipments.The multimedia equipment that constitutes entertainment systems 100 preferably links to each other by the wireline interface (for example, RCA cable, Ethernet, coaxial cable, telephone wire, the cable that meets IEEE 1394, copper cash, serial cable, optical cable, USB) that two-way communication is provided between equipment.Alternatively, comprise that the multimedia equipment of entertainment systems 100 is by wave point (for example, radio frequency, infrared, bluetooth
TM, 802.11B, 802.11A) communicate.Alternatively, communication is unidirectional, and having utilized a multimedia equipment is controller (main equipment) and this relation that other multimedia equipments (slave unit) link to each other with controller.
Communication between the multimedia equipment comprises the information of two grades: multi-media signal (media services) is produced and is handled by obtainable selected audio and video output states from a plurality of continuous multimedia equipments; And control information, be used to manage continuous multimedia equipment.Information transmitted adopts the data format of numeral, simulation and/or both combinations.For example, the multi-media signal that is produced when DVD playing back (multimedia service) by DVD player 108 is at the stereo audio signal of exporting based on stereosonic selected audio output state and at 1080 * 1920 pixel 60Hz interlaced video signal of exporting based on the selected video output states of HD.Control command is preferably to meet JAVA
TMOr the signal of communication of XML, (TCP/IP) is consistent with packet-based structure, and can handle or can be used in the multimedia equipment that control links to each other by built-in data-interface/controller.Alternatively, control information is that change (for example, the change of resistance or voltage) as circuit parameter (value) (for example, voltage, resistance, electric current, inductance, electric capacity) and/or electric signal parameter is transmitted.As optional embodiment, information transmitted adopts the metadata form of abideing by patented criteria (HAVI, MPEG-7) on two grades.
Set-top box 118 is as entertainment systems 100 and from the gateway between the multimedia service of remote source reception.Media services be in selected audio and video output states can by entertainment systems 100 output based on the service of audio frequency (for example, music, based on wireless talk show, stream audio) and/or based on the service (for example, TV programme, film, computer/video-game) of video.As the remote source of serving the provider (for example, satellite, internet, cable, broadcast antenna, public switch telephone network (PSTN), cellular network, infrared transmitter) media services are sent as the signal that is received by multimedia equipments such as digital satellite system 134, adjustment demodulator 120 and antennas 140, these multimedia equipments are handled media services, to distribute by entertainment systems 100, thereby used by other multimedia equipments that link to each other with audio/video receiver 106, wherein audio/video receiver 106 links to each other with set-top box 118.Alternatively, multimedia equipment and remote source as digital satellite system 134 and modulator-demodulator 120 are carried out two-way communication, with the request media services (for example, serve provider's video request program from cable TV) and safeguard (for example, download new video output states, receive electronic program guide information, update software driver and codec) of carrying out entertainment systems 100.
Alternatively, audio frequency/receiver 106 is configured to the needs according to system, only audio signal or vision signal is operated.Therefore, set-top box 118 can be directly to Standard Definition Television 104 or HDTV (High-Definition Television) 102 output video services, and need not to use audio/video receiver 106 as intermediary.Can export audio service to loud speaker 122 and 124 or any other audio output apparatus via voice receiver 106.
By support media services from entertainment systems 100 obtainable multimedia equipments based on audio frequency based on audio frequency.Preferably, based on the service of audio frequency, set of speakers comprises boombox 122, boombox 124, central passage loud speaker 126 and inferior woofer 128 at least by the audio system output that comprises set of speakers (from the Local or Remote source).Alternatively, Standard Definition Television 104, HDTV (High-Definition Television) 102 or computer monitor 132 are used for audio-frequency assembly (for example, audio tweeter) output via multimedia equipment based on the media services of audio frequency.Audio/video receiver 106 can be selected set of speakers according to selected audio frequency output state from audio system, wherein when selected audio frequency output state changes, select second set of speakers.
HDTV (High-Definition Television) 102 preferably is configured to show the text service of reception, and this literal service receives as the part of vision signal or as the part with the corresponding assistant service of vision signal that receives.In order to receive the Video service based on simulation, HDTV (High-Definition Television) 102 is utilized the extended data service processor, to extract extended data service or teletext-information from the vertical blanking interval of institute's receiving video signals.In order to receive the vision signal based on numeral, HDTV (High-Definition Television) 102 is used and is extracted processors, with from the corresponding assistant service of institute's receiving video signals extract literal.This extraction processor is well known in the art, is used for realizing such as EIA-708 or ISO/IEC13522-5:1997 text service standards such as (MHEG5).Alternatively, Standard Definition Television 104 and set-top box 118 are as above to operate at HDTV (High-Definition Television) 102 described similar fashion.
In Fig. 2, show the example of the Voice ﹠ Video output state that can be used for exporting being carried out the multimedia equipment that links to each other of Dynamic matching and optimization.Audio/video hub 260 interconnects the multimedia equipment (modulator-demodulator 120, audio/video receiver 106, DVD player 108) of entertainment systems 250, and the network standard (USB, IEEE 1394, Ethernet) of supporting the two-way communication between the multimedia equipment is abideed by on these evaluation method selecting optimal equipment ground.Via audio/video hub 260, export audio and video medium service (source signal) to HDTV (High-Definition Television) 102 and audio/video receiver 106 from DVD player 108.Audio/video receiver 106 and HDTV (High-Definition Television) 102 are handled and are ready to and show, and/or export the service (from DVD player 108) of reception with respect to the audio/video state that can be used for other multimedia equipments.
HDTV (High-Definition Television) 102 multimedia equipments such as grade have feature register 236, and this feature register 236 comprises the information of the Voice ﹠ Video output state of supporting with reference to this multimedia equipment.Preferably, feature register 236 is as renewable buffer, and it comprises data that the state that will be supported is listed as metadata or the table of articles that can read or be communicated to other multimedia equipments in response to querying command in inside.Alternatively, with the state supported as the change (for example, the change of resistance or voltage) of the parameter (value) (for example, voltage, resistance, electric current, inductance, electric capacity) of circuit and/or electric signal parameter and communicate by letter.When adding and/or when the audio frequency of deletion multimedia equipment and/or video output states, upgrading the information in the feature register 236.
Audio/video receiver 106 has the microprocessor 106 that other funtion parts of multimedia equipment are controlled.Data-interface/controller 208 all links to each other with microprocessor 106 with feature register 216, and to operate with the data-interface/controller 226 of above-mentioned HDTV (High-Definition Television) 102 and the similar fashion of feature register 236.Microprocessor 226 is also controlled and is used for preferably the audio process 210 that the audio service that receives carried out digital processing according to audio status (selecting by output state optimization).Then, microprocessor 226 is ready to the audio service after audio output apparatus 212 (for example, audio tweeter) is gone up the output processing.Alternatively, audio process 210 utilizes the audio frequency as environmental effect (playback in the concert hall or on Springsteen) to strengthen and audio signal attributes (increasing/subtract reverberation, bass, trill), and audio media service is handled.
Multimedia equipment (HDTV (High-Definition Television) 102 and audio/video receiver 106) carries out with modulator-demodulator 120 via by being connected of audio/video hub 260 alternately.Modulator-demodulator 120 is as the gateway device of communication network 270 (for example, internet, Local Area Network, wide area network (WAN), Ethernet, PSTN) to remote source.Multimedia equipment (as HDTV (High-Definition Television) 102) uses modulator-demodulator 120 to receive/send multimedia service, carries out system maintenance (interpolation/deletion output state, renewal GUI226), and communicate (for example, connect to server and send the local media service) with the remote equipment of visiting (computer, multimedia equipment) by the internet by communication network 270.
When the user watched media services such as TV programme on the display device such as HDTV (High-Definition Television) 102 grades, the user may want to make the sound of media services quiet.Typically, the user finishes this mute function by the volume controller on the direct control display device or via remote controller 150.After quiet, some display device configurations are used for showing and the corresponding text service of media services, for example closed caption.Show this literal service, till silent mode stops.
The equipment (for example set-top box) that the invention provides or output audio and Video service independently of one another when audio and video equipment does not perceive in the equipment that presents this Voice ﹠ Video service what time has taken place, and realizes the signal scheme that literal shows during the audio mute pattern.In the prior art, if audio and video equipment is independently of one another, then the user must manually activate the audio mute pattern, and activates the literal display mode.Adopt principle of the present invention, the literal demonstration takes place according to the audio mute pattern, need not the user and resorts to two independently actions.
Fig. 3 shows the flow chart that activates the implementation method 300 of text service during the audio mute pattern.Step 302 starts from the control command collection of user's appointment at audio frequency apparatus.In an embodiment of the present invention, receive the media services of representing TV programme, in set-top box 118, the video section of media services be distributed to HDTV (High-Definition Television) 102 by set-top box 118, and with audio distribution to voice receiver 106.The control command that definition is controlled the operation of receiver 106 in this step is for example opened, is closed, volume, trill, bass etc.Audio frequency from receiver 106 can be exported via equipment such as boombox 122 and 124.
Typically, control command is predefined in remote controller 150, and the user is to remote controller 150 input codes, to specify the brand and the type of the equipment that will use in the lump with remote controller.Alternatively, some remote controllers and equipment are operated in the lump, and the user needn't define what assembly and remote controller are used in the lump, perhaps can use the learning remote control device of learning from other control of remote controller orders.The Configuration Type of these remote controllers is known in the art.
Unlike the prior art, remote controller 150 is operated, to comprise that whether be used to realize will be in the additional modes of quiet operating period display text pattern.In step 304, the definition of user selection ground is used to realize whether the audio mute pattern causes that display device uses the parameter of coming the display text service from the decoding literal of set-top box during the audio mute pattern.For example, the user can be programmed into value " ON " in the remote controller, thereby can display text service during the audio mute pattern.Similarly, the user will be worth " OFF " and be programmed in the remote controller, thereby forbid this pattern.This selective mode can be " ON " or " OFF " defaultly.
Because it is the operation of two autonomous devices of operating influence of audio mute pattern, so very important to the programming of remote controller.Therefore, in step 308, when enabling the audio mute pattern, remote controller 150 is sent to voice receiver 106 or Standard Definition Television 104 with the audio mute order, thereby makes the audio mute of equipment effectively.Similarly, in step 306, remote controller 150 is sent to set-top box 118 with control command, with display text service on Standard Definition Television 104, for example (inventor changes this for closed caption, teletext etc., because second control command is sent to set-top box rather than HDTV, be presented at analog TV or the last caption character that shows of monitor (" SDTV ") to force set-top box.Because had the digital TV tuner that to decode to the EIA708 caption character among the HDTV, so do not need the present invention.Wish that this can be meaningful).Preferably, text service with such as the dialogue or corresponding with the relevant audio media service such as supplementary of media services content.Text service as can be on display device video signal displayed a part and produce.Preferably, the video of text service and multimedia service is combined, wherein text service is overlapped on the video of media services or be presented in the isolated area of viewing areas of display device.In step 310, text service is presented on the display device.When stopping quiet operation, use quiet disable command that is sent to voice receiver 106 and the text service disable command that is sent to set-top box 118 or Standard Definition Television 104, the demonstration of forbidding text service alternatively by remote controller 150.
In optional embodiment of the present invention, the network interface by multimedia equipment standards such as use HAVI links together set-top box 118, voice receiver 106 and HDTV (High-Definition Television) 102.Needn't depend on from the order of remote controller 150 and receive (wherein each equipment all has IR or RF receiver), support the equipment of HAVI to carry out command communication each other by network.Therefore, can any order that an equipment receives be sent to second equipment by network interface.For example, can the mute command that HDTV (High-Definition Television) 102 receives be sent to set-top box 118 via network interface.
In the second optional embodiment at step 302, the user can training airplane top box 118, and it is operated in response to remote controller 150.For example, in step 302, the menu of user by on display device, showing, the remote controller training mode of activation set-top box 118.Then, set-top box 118 request users press selected order on remote controller 150.These orders are sent to IR receiver on the set-top box 118 from remote controller 150, and wherein set-top box can determine that what control command remote controller 150 uses come control appliance.
In step 304, the user can select to make set-top box 118 in response to mute command text service to be passed to display device.This selection can be via the option on the remote controller 150, undertaken by waiting at the screen menu of producing of set-top box 118.When activating step 308, remote controller 150 sends and makes quiet control command such as voice receiver 106 audio frequency apparatuses such as grade.Set-top box 118 also receives this order.
In step 306, in response to this control command, set-top box 118 outputting video signals, this vision signal comprises the text service that can show on such as display devices such as HDTV (High-Definition Television) 102 or HDTV (High-Definition Television) 104.This vision signal can show (as in step 310) on this display device, till having stopped silent mode by remote controller 150.The order that stops silent mode is sent to set-top box 118 and voice receiver 106 from remote controller 150.In response to this quiet termination order, set-top box 118 stops to produce text service, the playback that voice receiver 106 recovers audio frequency.
Fig. 4 has listed the configuration of sample command 400, and wherein these control commands can be transmitted between equipment by network interface.Referring again to Fig. 3, any equipment place performing step 302 that can be on network.Therefore, the user can use set-top box 118 as access point, and with the operation of control audio receiver 106 and HDTV (High-Definition Television) 102, wherein the user specifies set-top box 118 to send the control command that each equipment is operated.In case defined, set-top box 118 just is forwarded to voice receiver 106 with the audio media service of TV programme, and video section is forwarded to HDTV (High-Definition Television) 102.
Notice that any equipment on the network all can be used as access point, here, voice receiver 106 or HDTV (High-Definition Television) 102 controller top box 118 and other equipment.For example, be access point if specify HDTV (High-Definition Television) 102, then this television transmission SEDE AURC VOLU0 order is to weaken the volume of voice receiver 106 during the audio mute pattern.Similarly, if voice receiver 106 is operated as access point, then this receiver can be ordered and selects to use Standard Definition Television 104 or order and select to use HDTV (High-Definition Television) 102 as display device by sending SEDE HDTV by sending SEDE SDTV.This operational order also allows equipment to determine whether that by sending the ACKN order and send NACK when successfully receiving order when not receiving order or not understanding order success receives order.
In step 304, export media services at whether based on literal in response to the audio mute order, optionally enable set-top box 118 as access point.Can be via remote controller 150 etc., select this function as the part (panel feature) at the screen menu that can on display device, show.When enabling this pattern, in step 306, set-top box 118 sends the VOLU0 order to voice receiver 106 during the audio mute pattern.
Similarly, set-top box 118 sends the CCVD1 order to HDTV (High-Definition Television) 102, produces the vision signal (step 306) that comprises text service to this TV indication, and wherein text service comprises closed captioning information.In case produced vision signal, high definition device 102 shows this text service (step 310), till cancelling the audio mute pattern.The VOLU XXXX (non-0) that set-top box 118 sends about the recovery voice reproducing to voice receiver 106, and the CCVD0 that sends about cancelling the text service demonstration to HDTV (High-Definition Television) 102 orders.Use TTVD command enable and forbidding teletext.According to other multimedia standardizations, can use other orders.
Notice that the display device that links to each other with set-top box 118 may not have text service decoder.Therefore, when enabling silent mode, set-top box 118 produces text service, as the part of the video media service that will show on display device.When the disabling of audio silent mode, set-top box 118 stops the generation of text service video.In this optional embodiment, the silent mode operation is direct as the control command from other any equipment on remote controller 150, voice receiver 106 or the network to set-top box 118 notices.
Should be appreciated that the present invention can adopt hardware, software, firmware, application specific processor or their combining form to realize.Preferably, the present invention is embodied as the combination of hardware and software.In addition, software preferably is embodied as on the procedure stores device the visibly application program of specific implementation.This application program can be uploaded in the machine that comprises any appropriate configuration or by this machine and carry out.Preferably, on having, realize this machine such as the computer platform of hardware such as one or more CPU (CPU), random-access memory (ram) and I/O (I/O) interface.Computer platform also comprises operating system and micro-instruction code.Various procedures described herein and function can be the parts (perhaps both combinations) of the part of micro-instruction code or the application program carried out via operating system.In addition, multiple other ancillary equipment can link to each other with computer platform, for example Fu Jia data storage device and printing device.
The actual connection between the system component (and process steps) be also to be understood that because some are preferably realized with software in the assembly of the construction system shown in the accompanying drawing and the method step, so may change according to the mode of the present invention's programming.The given teaching here, those of ordinary skill in the field can expect of the present invention these with similar execution mode or configuration.
Though describe example embodiment with reference to the accompanying drawings, should be appreciated that the invention is not restricted to these specific embodiments, under the prerequisite that does not deviate from the scope of the invention or spirit, those of ordinary skill in the field can realize multiple other changes and modification at this.All this changes and modification should be included in the scope of the invention that is defined by the following claims.
Claims (11)
1. one kind is used for comprising step in audio mute operating period display text service method:
Send audio mute order (308) to audio frequency apparatus;
Send text service enable command (306) to video equipment, wherein audio frequency apparatus and video equipment are independent of each other.
2. method according to claim 1 also comprises additional step:
In response to described text service enable command, produce Video service with described text service.
3. method according to claim 1, wherein access point sends described audio mute order and text service order in response to the audio mute order that receives.
4. method according to claim 3, wherein said access point is execution in step also:
Send audio media service to described audio frequency apparatus;
Send video media service to described video equipment, wherein said audio media service and described video media service are each Voice ﹠ Video components of the media services that receive.
5. method according to claim 4, wherein said text service are the parts of the media services that receive.
6. method according to claim 5 wherein by at least a in communication network and the ground mode, receives described media services.
7. method according to claim 1, wherein remote controller response sends audio mute order and text service order in single mute command.
8. method according to claim 1, wherein the transmission of audio mute order and text service order is selectable, in a kind of pattern, sends two kinds of orders, in second pattern, only sends the audio mute order.
9. method according to claim 1 is wherein via described audio mute order of Network Transmission and text service order.
10. method according to claim 1 wherein can be trained the equipment of realizing described method, so that described recognition of devices is from the control of remote controller order.
11. equipment that is used for realizing the method step arbitrary steps of claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005800475599A CN101112082A (en) | 2005-01-31 | 2005-01-31 | Method and apparatus for displaying words service in case of mute audio |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2005800475599A CN101112082A (en) | 2005-01-31 | 2005-01-31 | Method and apparatus for displaying words service in case of mute audio |
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| CNA2005800475599A Pending CN101112082A (en) | 2005-01-31 | 2005-01-31 | Method and apparatus for displaying words service in case of mute audio |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108605156A (en) * | 2016-01-25 | 2018-09-28 | 汤姆逊许可公司 | Method for audio detection and corresponding equipment |
| CN115134648A (en) * | 2021-03-26 | 2022-09-30 | 腾讯科技（深圳）有限公司 | Video playing method, device, equipment and computer readable storage medium |
-
2005
- 2005-01-31 CN CNA2005800475599A patent/CN101112082A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108605156A (en) * | 2016-01-25 | 2018-09-28 | 汤姆逊许可公司 | Method for audio detection and corresponding equipment |
| CN108605156B (en) * | 2016-01-25 | 2022-11-15 | 交互数字麦迪逊专利控股公司 | Method for audio detection and corresponding device |
| CN115134648A (en) * | 2021-03-26 | 2022-09-30 | 腾讯科技（深圳）有限公司 | Video playing method, device, equipment and computer readable storage medium |
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