CN103888818A - Method, equipment and system for playing television programs - Google Patents
Method, equipment and system for playing television programs Download PDFInfo
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- CN103888818A CN103888818A CN201410111513.XA CN201410111513A CN103888818A CN 103888818 A CN103888818 A CN 103888818A CN 201410111513 A CN201410111513 A CN 201410111513A CN 103888818 A CN103888818 A CN 103888818A
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Abstract
The embodiment of the invention discloses a method, equipment and a system for playing television programs, and relates to the communication field. The method, the equipment and the system for playing the television programs is used for solving the problem that the transmission distance of voice data is limited in the prior art on the premise of not arranging auxiliary equipment, and are suitable for the conditions of video data of the television programs played by television set equipment and the voice data of the television programs played by a mobile terminal. The television set equipment receives the transmission requirement of the voice data and keeps playing the video data of the playing television programs, the voice data of the playing television programs are sampled and coded and a network access device transmits the processed voice data to the mobile terminal, wherein the television set equipment and the mobile terminal are respectively connected with network access device, and therefore the problem that the transmission distance of the voice data is limited is solved.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of television program playing method, equipment and system.
Background technology
Along with the development of TV tech, tv product is more and more subject to users' accreditation and use.But many users are at night when TV reception, for fear of the rest that affects other kinsfolks, conventionally by TV furnishing mute state or television sound volume is turned down, this has influence on the experience of TV program watching to a certain extent.
In prior art, in order to solve user due to by TV furnishing mute state or television sound volume is turned down to the user who causes and experienced the problem of decline, can adopt following two kinds of modes: first kind of way, utilize the external USB(Universal Serial BUS of TV, USB) transceiver obtains the voice data of TV, and user listens to the sound of TV programme by the earphone being connected with the audio output interface of USB transceiver; The second way, user can use bluetooth earphone to be connected with the built-in blue tooth interface of TV, and listens to TV programme by bluetooth earphone.
Adopt above-mentioned first kind of way need to increase a set of extra USB auxiliary equipment, and in the above-mentioned second way owing to there is the weak defect of shorter, the through walls ability of transmission range in Bluetooth technology, therefore, cannot grow the audio data transmission of distance.
Summary of the invention
The embodiment of the present invention provides a kind of television program playing method, equipment and system, for without increasing under the prerequisite of auxiliary equipment, solves the limited problem of prior art sound intermediate frequency data transmission distance.
A kind of television program playing method, the method comprises:
The audio data transmission request that television devices mobile terminal receive sends, the broadcasting that keeps the video data to the TV programme of playing;
Described television devices is to the processing of sampling and encode of the voice data of the described TV programme of playing;
Described television devices sends to described mobile terminal to play voice data after treatment by network access equipment;
Wherein, described television devices is connected with described network access equipment respectively with described mobile terminal.
Visible, the embodiment of the present invention is particularly useful for television devices plays the scene of the voice data of TV programme described in the video data, mobile terminal playing of TV programme, under this scene, after television devices receives the audio data transmission request of mobile terminal transmission, keep the broadcasting of the video data of the TV programme to playing simultaneously, on the other hand, described television devices is to the processing of sampling and encode of the voice data of the described TV programme of playing, described television devices sends to described mobile terminal to play voice data after treatment by network access equipment, like this, television devices in the embodiment of the present invention can only be play the video data of TV programme, simultaneously, mobile terminal can be play the voice data of TV programme, further, because mobile terminal accesses television devices by network access equipment, can ensure that the video data that television devices is play keeps synchronizeing with the voice data of mobile terminal playing, on the other hand, television devices in the embodiment of the present invention and mobile terminal access same network access equipment, this network access equipment can provide wireless network or cable network, expand the coverage of network, thereby solve limited transmission distance, the problem that ability through walls is weak, meanwhile, the television devices in the embodiment of the present invention does not need other devices to be directly connected with network access equipment with mobile terminal, without increasing the extra expense of user, has reduced the hardware complexity while listening to TV programme at a distance.
Preferably, described television devices is sampled and is encoded the voice data of the described TV programme of playing after processing, before described television devices sends to described mobile terminal by network access equipment by voice data after treatment, further comprise: sample frequency, sampling resolution and the number of channels of the voice data of the described TV programme of playing being sampled according to described television devices, determine the size of the buffer area of described television devices, and voice data after treatment is cached in the buffer area of determining; Described television devices sends to described mobile terminal to play voice data after treatment by network access equipment, comprise: in the time that has expired in the space of described buffer area, described television devices sends to described mobile terminal to play all audio frequency data in described buffer area by network access equipment.Like this, television devices can also be determined according to information such as different sample frequencys, sampling resolution and number of channels the size of buffer area, and buffer area full after, the disposable voice data after treatment by buffer memory in buffer area sends to mobile terminal, due to the buffer area in the embodiment of the present invention can according to different sample frequencys, sampling resolution and number of channels determine, therefore,, when enough hour of buffer area, can ensure to the full extent the synchronism of TV and mobile phone.
Preferably, before described television devices is sampled and encoded the voice data of the described TV programme of playing, further comprise: described television devices starts silent mode or amount of bass pattern.Like this, the embodiment of the present invention can ensure after television devices identifies the mobile terminal having connected, or, after television devices receives the audio data transmission request of mobile terminal transmission, start silent mode or amount of bass play mode, thereby when having realized the voice data of broadcasting TV programme of mobile terminal synchronization, television devices can be play in the pattern synchronization of quiet or amount of bass the video data of this TV programme, and then make user in television devices when quiet or amount of bass, still TV programme is watched and listened to can completely, further improve user's experience.
Preferably, before described television devices is sampled and is encoded the voice data of playing, also comprise: described television devices is obtained the audio quality levels information of carrying in described audio data transmission request, according to described audio quality levels information, determine the sample frequency of sampling and the coded format of encoding; Described television devices is sampled and is encoded the voice data of playing, specifically comprise: described television devices is sampled to the voice data of playing according to the sample frequency of determining, and voice data sampling being obtained according to the coded format of determining is encoded.Like this, television devices can be according to user's demand, select corresponding sample frequency and/or coded format, sample and encode according to user's selection, for user provides multiple tonequality, improve user's experience, in the time that user selects lower audio quality, can use lower sample frequency, thus the time delay while having reduced audio data transmission.
A kind of television program playing method, the method comprises:
Mobile terminal sends audio data transmission request to described television devices, to indicate described television devices after receiving described audio data transmission request, keeps the broadcasting of the video data to the TV programme of playing;
Described mobile terminal receives the voice data of described television devices transmission and plays, described voice data is after to be described television devices sample, encode and process the described voice data of playing TV programme, sends to described mobile terminal by network access equipment;
Wherein, described television devices is connected with described network access equipment respectively with described mobile terminal.
Visible, the embodiment of the present invention is particularly useful for television devices plays the scene of the voice data of TV programme described in the video data, mobile terminal playing of TV programme, under this scene, after television devices receives the audio data transmission request of mobile terminal transmission, keep the broadcasting of the video data of the TV programme to playing simultaneously, on the other hand, described television devices is to the processing of sampling and encode of the voice data of the described TV programme of playing, described television devices sends to described mobile terminal to play voice data after treatment by network access equipment, like this, television devices in the embodiment of the present invention can only be play the video data of TV programme, simultaneously, mobile terminal can be play the voice data of TV programme, further, because mobile terminal accesses television devices by network access equipment, can ensure that the video data that television devices is play keeps synchronizeing with the voice data of mobile terminal playing, on the other hand, television devices in the embodiment of the present invention and mobile terminal access same network access equipment, this network access equipment can provide wireless network or cable network, expand the coverage of network, thereby solve limited transmission distance, the problem that ability through walls is weak, meanwhile, the television devices in the embodiment of the present invention does not need other devices to be directly connected with network access equipment with mobile terminal, without increasing the extra expense of user, has reduced the hardware complexity while listening to TV programme at a distance.
Preferably, described television set is sampled, is encoded after processing the described voice data of playing TV programme, before sending to described mobile terminal by network access equipment, further comprise: described television devices is according to sample frequency, sampling resolution and number of channels that the voice data of the described TV programme of playing is sampled, determine the buffer size of described television devices, and voice data after treatment is cached in the buffer area of determining; Described television devices is given described mobile terminal by network access equipment by voice data after treatment, comprise: in the time that has expired in the space of described buffer area, described television devices sends to described mobile terminal by network access equipment by all audio frequency data in described buffer area.Like this, television devices can also be determined according to information such as different sample frequencys, sampling resolution and number of channels the size of buffer area, and buffer area full after, the disposable voice data after treatment by buffer memory in buffer area sends to mobile terminal, due to the buffer area in the embodiment of the present invention can according to different sample frequencys, sampling resolution and number of channels determine, therefore,, when enough hour of buffer area, can ensure to the full extent the synchronism of TV and mobile phone.
Preferably, described mobile terminal sends audio data transmission request to described television devices, specifically comprise: in the audio data transmission request that described mobile terminal sends to described television devices, carry audio quality levels information, described audio quality levels information is used to indicate described television devices and according to the sample frequency of specifying, voice data is sampled and/or according to the coded format of specifying, described voice data encoded.Like this, television devices can be according to user's demand, select corresponding sample frequency and/or coded format, sample and encode according to user's selection, for user provides multiple tonequality, improve user's experience, in the time that user selects lower audio quality, can use lower sample frequency, thus the time delay while having reduced audio data transmission.
A kind of television devices, this equipment comprises:
Processor, the audio data transmission request sending for mobile terminal receive, the broadcasting that keeps the video data to the TV programme of playing; To the processing of sampling and encode of the voice data of the described TV programme of playing; Instruction Transmit-Receive Unit sends to described mobile terminal to play voice data after treatment by network access equipment;
Described Transmit-Receive Unit, for sending to described mobile terminal by voice data after treatment;
Wherein, described television devices is connected with described network access equipment respectively with described mobile terminal;
Visible, the embodiment of the present invention is particularly useful for television devices plays the scene of the voice data of TV programme described in the video data, mobile terminal playing of TV programme, under this scene, after television devices receives the audio data transmission request of mobile terminal transmission, keep the broadcasting of the video data of the TV programme to playing simultaneously, on the other hand, described television devices is to the processing of sampling and encode of the voice data of the described TV programme of playing, described television devices sends to described mobile terminal to play voice data after treatment by network access equipment, like this, television devices in the embodiment of the present invention can only be play the video data of TV programme, simultaneously, mobile terminal can be play the voice data of TV programme, further, because mobile terminal accesses television devices by network access equipment, can ensure that the video data that television devices is play keeps synchronizeing with the voice data of mobile terminal playing, on the other hand, television devices in the embodiment of the present invention and mobile terminal access same network access equipment, this network access equipment can provide wireless network or cable network, expand the coverage of network, thereby solve limited transmission distance, the problem that ability through walls is weak, meanwhile, the television devices in the embodiment of the present invention does not need other devices to be directly connected with network access equipment with mobile terminal, without increasing the extra expense of user, has reduced the hardware complexity while listening to TV programme at a distance.
Preferably, described processor is further used for, according to the sample frequency that the voice data of the described TV programme of playing is sampled, sampling resolution and number of channels, determine the size of buffer area, and voice data after treatment is cached in the buffer area of memory cell; This equipment also comprises: memory cell, for preserving voice data after treatment; Described processor specifically for, when the space of described buffer area is completely time, send to described mobile terminal to play all audio frequency data in described buffer area by network access equipment.Like this, television devices can also be determined according to information such as different sample frequencys, sampling resolution and number of channels the size of buffer area, and buffer area full after, the disposable voice data after treatment by buffer memory in buffer area sends to mobile terminal, due to the buffer area in the embodiment of the present invention can according to different sample frequencys, sampling resolution and number of channels determine, therefore,, when enough hour of buffer area, can ensure to the full extent the synchronism of TV and mobile phone.
Preferably, described processor is further used for, and starts silent mode or amount of bass pattern.Like this, the embodiment of the present invention can ensure after television devices identifies the mobile terminal having connected, or, after television devices receives the audio data transmission request of mobile terminal transmission, start silent mode or amount of bass play mode, thereby when having realized the voice data of broadcasting TV programme of mobile terminal synchronization, television devices can be play in the pattern synchronization of quiet or amount of bass the video data of this TV programme, and then make user in television devices when quiet or amount of bass, still TV programme is watched and listened to can completely, further improve user's experience.
Preferably, described processor is further used for, and obtains the audio quality levels information of carrying in described audio data transmission request, according to described audio quality levels information, determines the sample frequency of sampling and the coded format of encoding; According to the sample frequency of determining, the voice data of playing is sampled, and voice data sampling being obtained according to the coded format of determining is encoded.Like this, television devices can be according to user's demand, select corresponding sample frequency and/or coded format, sample and encode according to user's selection, for user provides multiple tonequality, improve user's experience, in the time that user selects lower audio quality, can use lower sample frequency, thus the time delay while having reduced audio data transmission.
A kind of mobile terminal, this terminal comprises:
Transmitting element, for sending audio data transmission request to described television devices, to indicate described television devices after receiving described audio data transmission request, keeps the broadcasting of the video data to the TV programme of playing;
Receiving element, for receiving the voice data of described television devices transmission and playing, described voice data is after to be described television devices sample, encode and process the described voice data of playing TV programme, sends to described mobile terminal by network access equipment;
Broadcast unit, the voice data receiving for playing described receiving element;
Wherein, described television devices is connected with described network access equipment respectively with described mobile terminal.
Visible, the embodiment of the present invention is particularly useful for television devices plays the scene of the voice data of TV programme described in the video data, mobile terminal playing of TV programme, under this scene, after television devices receives the audio data transmission request of mobile terminal transmission, keep the broadcasting of the video data of the TV programme to playing simultaneously, on the other hand, described television devices is to the processing of sampling and encode of the voice data of the described TV programme of playing, described television devices sends to described mobile terminal to play voice data after treatment by network access equipment, like this, television devices in the embodiment of the present invention can only be play the video data of TV programme, simultaneously, mobile terminal can be play the voice data of TV programme, further, because mobile terminal accesses television devices by network access equipment, can ensure that the video data that television devices is play keeps synchronizeing with the voice data of mobile terminal playing, on the other hand, television devices in the embodiment of the present invention and mobile terminal access same network access equipment, this network access equipment can provide wireless network or cable network, expand the coverage of network, thereby solve limited transmission distance, the problem that ability through walls is weak, meanwhile, the television devices in the embodiment of the present invention does not need other devices to be directly connected with network access equipment with mobile terminal, without increasing the extra expense of user, has reduced the hardware complexity while listening to TV programme at a distance.
Preferably, described receiving element specifically for, receive the voice data after treatment that described television devices sends, described voice data is that described television devices is according to the sample frequency that the voice data of the described TV programme of playing is sampled, sampling resolution and number of channels, determine the buffer size of described television devices, and voice data after treatment is cached in the buffer area of determining, in the time that has expired in the space of described buffer area, described television devices sends to described mobile terminal by network access equipment by all audio frequency data in described buffer area.Like this, television devices can also be determined according to information such as different sample frequencys, sampling resolution and number of channels the size of buffer area, and buffer area full after, the disposable voice data after treatment by buffer memory in buffer area sends to mobile terminal, due to the buffer area in the embodiment of the present invention can according to different sample frequencys, sampling resolution and number of channels determine, therefore,, when enough hour of buffer area, can ensure to the full extent the synchronism of TV and mobile phone.
Described transmitting element specifically for, in the audio data transmission request sending to described television devices, carry audio quality levels information, described audio quality levels information is used to indicate described television devices and according to the sample frequency of specifying, voice data is sampled and/or according to the coded format of specifying, described voice data encoded.Like this, television devices can be according to user's demand, select corresponding sample frequency and/or coded format, sample and encode according to user's selection, for user provides multiple tonequality, improve user's experience, in the time that user selects lower audio quality, can use lower sample frequency, thus the time delay while having reduced audio data transmission.
A kind of TV programme Play System, this system comprises:
Television devices, is connected with network access equipment, the audio data transmission request sending for mobile terminal receive, the broadcasting that keeps the video data to the TV programme of playing; To the processing of sampling and encode of the voice data of the described TV programme of playing; Instruction Transmit-Receive Unit sends to described mobile terminal to play voice data after treatment by network access equipment;
Mobile terminal, be connected with described network access equipment, for sending audio data transmission request to described television devices, to indicate described television devices after receiving described audio data transmission request, keep the broadcasting of the video data to the TV programme of playing; Receive the voice data of described television devices transmission and play, described voice data is that described television devices is to the described TV programme of playing.
Visible, the embodiment of the present invention is particularly useful for television devices plays the scene of the voice data of TV programme described in the video data, mobile terminal playing of TV programme, under this scene, after television devices receives the audio data transmission request of mobile terminal transmission, keep the broadcasting of the video data of the TV programme to playing simultaneously, on the other hand, described television devices is to the processing of sampling and encode of the voice data of the described TV programme of playing, described television devices sends to described mobile terminal to play voice data after treatment by network access equipment, like this, television devices in the embodiment of the present invention can only be play the video data of TV programme, simultaneously, mobile terminal can be play the voice data of TV programme, further, because mobile terminal accesses television devices by network access equipment, can ensure that the video data that television devices is play keeps synchronizeing with the voice data of mobile terminal playing, on the other hand, television devices in the embodiment of the present invention and mobile terminal access same network access equipment, this network access equipment can provide wireless network or cable network, expand the coverage of network, thereby solve limited transmission distance, the problem that ability through walls is weak, meanwhile, the television devices in the embodiment of the present invention does not need other devices to be directly connected with network access equipment with mobile terminal, without increasing the extra expense of user, has reduced the hardware complexity while listening to TV programme at a distance.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly introduced, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The television devices that Fig. 1 provides for the embodiment of the present invention and the schematic diagram of mobile terminal framework;
The schematic flow sheet that the television devices monitoring mobile terminal that Fig. 2 provides for the embodiment of the present invention accesses;
The schematic flow sheet of a kind of television program playing method that Fig. 3 provides for the embodiment of the present invention;
The structural representation of a kind of television devices that Fig. 4 provides for the embodiment of the present invention;
The structural representation of a kind of mobile terminal that Fig. 5 provides for the embodiment of the present invention;
The structural representation of a kind of TV programme Play System that Fig. 6 provides for the embodiment of the present invention.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention goes for multiple systems framework, especially, be applicable to television devices and the system architecture that mobile terminal is connected with network access equipment respectively, be particularly useful for a kind of television devices and play the scene of the voice data of TV programme described in the video data of TV programme, mobile terminal playing.Fig. 1 shows the system architecture that television devices is connected with network access equipment respectively with mobile terminal, as shown in Figure 1, preferably, television devices in the embodiment of the present invention can be one or more intelligent television equipment based on Linux or Android system development, mobile terminal in the embodiment of the present invention can be one or more intelligent mobile phone terminals based on Android or IOS system development, and the network access equipment in the embodiment of the present invention can be for possessing the wireless routing of WiFi function; Meanwhile, the television devices in the embodiment of the present invention can be connected with network access equipment by wired or wireless mode, and the mobile terminal in the embodiment of the present invention can be connected with network access equipment by wireless mode.
It should be noted that, along with setting up improving constantly of this demand of family lan, generally, in family, be all provided with network access equipment, such as router, this network access equipment can link together various device in family by wired or wireless mode, composition local area network (LAN).In embodiments of the present invention, auxiliary equipment refers to the equipment except network access equipment, such as bluetooth earphone, and USB transceiver; Main equipment comprises television devices and mobile terminal.
Taking television devices and mobile terminal as example, the television program playing method below embodiment of the present invention being provided is described in detail.
In the embodiment of the present invention, the provider of voice data can be television devices, and the recipient of voice data can be mobile terminal.The embodiment of the present invention can comprise that television devices monitors the process of one or more mobile terminals access, can also comprise television devices by audio data transmission the process to the mobile terminal having accessed.
The television devices that Fig. 2 shows the embodiment of the present invention to be provided is monitored the schematic flow sheet of mobile terminal access.As shown in Figure 2, this process can be as follows:
Step 21: television devices receives the connection request that described mobile terminal sends, the address information of carrying described mobile terminal in described connection request.
When specific implementation, television devices can be configured to device discovery server, be device discovery client by mobile terminal configuration, such as can television devices being configured to device discovery server by the mode of erection unit discovery server end program in television devices, find that by erection unit on mobile terminal the mode of client-side program is device discovery client by mobile terminal configuration.Preferably, device discovery client-side program is that the application program that can unload can be installed, and user can self-definingly select to install, operation.Between device discovery server and client side, can be undertaken alternately by predefined communication protocol, set port (such as the port numbers port that is 50000) mutual connection request and connection response such as adopting between this server and client side of definition.
So that by port numbers, the mutual connection request of port as 50000 and connection response are as example, television devices is by network access equipment interconnection network, and starting device lookup service, and port 50000 is monitored; On the other hand, mobile terminal, starting after the device discovery client-side program of pre-installation, determines whether self has started network connecting function, if, send connection request by port 50000, identification information and/or the IP address information of the mobile terminal of portability request access in this connection request.
Preferably, when device discovery client application on mobile terminal starts for the first time, the television devices list of selecting for user can be provided, according to user's selection, a television devices is set to the television devices that acquiescence is selected, in the time again starting this application program, can be connected to automatically the television devices that acquiescence is selected.
Step 22: television devices sends connection response to described mobile terminal, and described connection response is used for confirming that described television devices is successfully connected with described mobile terminal device, carries the address information of described television devices in described connection response.
Still taking by port numbers the mutual connection request of port as 50000 and connection response as example, television devices sends connection response by port 50000 to the mobile terminal of request access, in this connection response, carry the IP address information of television devices, and further Portable device name information, MAC(Media Access Control, media are got involved key-course) address information etc., mobile terminal receives and has carried after the connection response of above-mentioned information, can think that this mobile terminal has successfully accessed television devices.Further, mobile terminal can be saved in the identification information of this television devices in television devices list, and can further show by display screen.
After mobile terminal is successfully linked into television devices, can be to these television devices request transmission of audio data.The process of the audio data transmission below embodiment of the present invention being provided is described in detail.Fig. 3 shows the schematic flow sheet of a kind of television program playing method that the embodiment of the present invention provides, and as shown in Figure 3, the method comprises:
Step 31: the audio data transmission request that television devices mobile terminal receive sends, the broadcasting that keeps the video data to the TV programme of playing.
When specific implementation, between device discovery server and client side, can be undertaken alternately by predefined communication protocol, such as using TCP(Transmission Control Protocol between this server and client side of definition, transmission control protocol), and adopt and set port (such as the port numbers port that is 45261), send connection request by mobile terminal to television devices, or further by television devices to mobile terminal transmission of audio data.That is, mobile terminal can be used as TCP client and sends audio data transmission request by port 45261 to television devices, and this audio data transmission request is for sending to this mobile terminal to television devices request by voice data; On the other hand, television devices is passed through listening port 45261, the audio data transmission request that mobile terminal receive sends.
Step 32: television devices is to the processing of sampling and encode of the voice data of the TV programme of playing.
In step 32, television devices can be utilized audio coding (Audio Encoding) function of main process chip (CPU), voice data (voice data of the program of playing) to the current TV programme of playing of television devices is sampled, now can sample according to specific sample format, as being that 44.1KHz or 48KHz, sampling precision are that the sample format that 16Bit, total bitrate are no more than the dual track of 200Kbps is sampled according to sample rate; Voice data after sampling is encoded or encapsulation process, and voice data after treatment is cached in the buffer area of television devices.
Further, television devices in the embodiment of the present invention can be according to the sample frequency that the voice data of the described TV programme of playing is sampled, sampling resolution and number of channels, determine the size of the buffer area of described television devices, and the voice data after coding is cached in the buffer area of determining; In the time that has expired in the space of described buffer area, described television devices sends to described mobile terminal to play all audio frequency data in described buffer area by network access equipment.
When specific implementation, the buffer area of the television devices in the embodiment of the present invention is determined according to sample frequency, sampling resolution and number of channels, shown in the concrete following formula of computational process: time span/8 of data volume=(sample frequency × sampling resolution × number of channels) × sampling of the voice data that sampling obtains
In the time that has expired in the space of buffer area, television devices sends to mobile terminal by the whole voice data in buffer area by network access equipment immediately.For instance, when adopting sample frequency=8KHz, sampling resolution=16bit, number of channels=2, when the mode of the time span=20ms of sampling is sampled to TV programme, data volume=640 byte of the voice data obtaining, in embodiments of the present invention, the reproduction time length of the voice data that the buffer area of 640 bytes can be preserved is 20ms, be equivalent to the voice data that television set has now cushioned the reproduction time length of 20ms, so, can think when the size of buffer area of television devices is 640 byte, the time delay of television devices and mobile terminal can be contracted to 20ms, be that television devices can disposablely send to mobile device to play the voice data in 20ms, visible, can effectively the time delay between television devices and mobile terminal be controlled to 20ms by the embodiment of the present invention, even shorter, thereby reduce the time delay between television devices playing video data and mobile terminal playing voice data, improve user's experience.It should be noted that, in the time of user's closing television machine equipment, television devices can empty the voice data of buffer memory in this buffer area before restarting next time, or, in the time that user selects to watch other TV programme, while being user's turntable, television devices can empty the voice data of buffer memory in this buffer area, a upper TV programme.
In addition, the sample frequency adopting in the embodiment of the present invention, sampling resolution, number of channels can arrange according to user's demand, can also arrange according to the difference of network environment, for instance, television devices can send to a mobile terminal that has been connected in this television devices the packet of a fixed size, and monitor the feedback time length of the packet of this mobile terminal to this fixed size, when feedback time length shorter, represent that network environment is better, now, sample frequency can be improved, thereby the quality of the raising playing audio-fequency data adapting to according to different network environments, thereby improve user's experience.It should be noted that, sample format in the embodiment of the present invention can also change according to user's needs, concrete, the audio quality of the TV programme that user can listen to needs is selected, and by data transfer request, desired audio quality levels information is sent to television devices, the audio quality levels information that television devices can send according to user, adopt different sample frequency and/or coded format to process voice data, to obtain the audio stream of different quality.
Preferably, in step 32, television devices can be utilized PCM(Pulse Code Modulation, pulse code modulation) mode the voice data of playing is encoded, that is to say, television devices is carried out pcm encoder to the voice data of playing, and obtains PCM packet.It should be noted that, the embodiment of the present invention can also be encoded to voice data by other coded systems, and the coded system of the PCM that the embodiment of the present invention provides is a kind of simple coded system efficiently, can effectively reduce the time delay of audio data transmission, if adopt other coded systems to encode and may increase the time delay of audio data transmission voice data.
Further, after television devices identifies the mobile terminal having connected, or, after television devices receives the audio data transmission request of mobile terminal transmission, start silent mode or utmost point amount of bass pattern, simultaneously, television devices keeps the broadcasting of the video data to the TV programme of playing, thereby when having realized the voice data of broadcasting TV programme of mobile terminal synchronization, television devices can be play in the pattern synchronization of quiet or amount of bass the video data of this TV programme, and then make user in television devices when quiet or amount of bass, still TV programme is watched and listened to can completely, further improve user's experience.
Step 33: television devices sends to described mobile terminal to play voice data after treatment by described network access equipment.
Preferably, in step 33, after television devices receives the data transfer request of mobile terminal transmission that is connected in described television devices, voice data after buffer memory in buffer area, that sampling obtains and coding is sent to the mobile terminal of request voice data by wireless mode, or, the voice data of the TV programme of playing can also be sampled, encoded after processing, directly send to mobile terminal to play.It should be noted that, when television devices is transmitted data to mobile device, the Data Transport Protocol using can be UDP(User Datagram Protocol, User Datagram Protocol) or TCP/IP(Transmission Control Protocol/Internet Protocol, transmission control protocol/Internet Interconnection agreement); On the other hand, mobile device receives by wireless WiFi network the PCM packet that television devices sends, PCM packet is decoded, and decoded voice data is written in the player (player in the embodiment of the present invention can be AudioTrack) of the audio stream that can play PCM form, play by the player of installing in mobile terminal.
Preferably, after step 32, mobile terminal can also be adjusted the volume of mobile terminal, the TV programme that switching need to be listened to; Further, can also select the voice data receiving to be saved in the specified folder of mobile terminal according to user.
It should be noted that, the problem of the audio data transmission conflict simultaneously audio data transmission being occurred during to same mobile terminal for fear of multiple television devices, mobile terminal is before receiving the voice data sending from television devices, need user to manually boot the application program of pre-installation, also need user to select the TV programme that need to listen to, therefore, in the time that same mobile terminal is linked into two television devices, can select the TV programme that need to listen to according to user's demand, the problem of the audio data transmission conflict of having avoided multiple television devices simultaneously to transmit and to cause.Also can adopt the mode of running background to start the application program of pre-installation in television devices, thereby make television devices Sampling network connection automatically, therefore, the embodiment of the present invention does not need user to carry out any setting operation to television devices, only need to the application program of specifying be installed at mobile terminal.
It should be noted that, the television devices in the embodiment of the present invention adopts PCM form to sample to voice data, does not need voice data compress or encode, and has saved time delay when voice data is encoded and compressed; On the other hand, mobile terminal can not carry out buffer memory after receiving voice data, but directly uses player plays voice data, thereby has ensured the synchronism of the voice data of television devices and mobile terminal playing, reduce the time delay of audio data transmission, and then improved user's experience.
Visible, the embodiment of the present invention is particularly useful for television devices plays the scene of the voice data of TV programme described in the video data, mobile terminal playing of TV programme, under this scene, after television devices receives the audio data transmission request of mobile terminal transmission, keep the broadcasting of the video data of the TV programme to playing simultaneously, on the other hand, described television devices is to the processing of sampling and encode of the voice data of the described TV programme of playing, described television devices sends to described mobile terminal to play voice data after treatment by network access equipment, like this, television devices in the embodiment of the present invention can only be play the video data of TV programme, simultaneously, mobile terminal can be play the voice data of TV programme, further, because mobile terminal accesses television devices by network access equipment, can ensure that the video data that television devices is play keeps synchronizeing with the voice data of mobile terminal playing, on the other hand, television devices in the embodiment of the present invention and mobile terminal access same network access equipment, this network access equipment can provide wireless network or cable network, expand the coverage of network, thereby solve limited transmission distance, the problem that ability through walls is weak, meanwhile, the television devices in the embodiment of the present invention does not need other devices to be directly connected with network access equipment with mobile terminal, without increasing the extra expense of user, has reduced the hardware complexity while listening to TV programme at a distance.
Based on identical technical conceive, the embodiment of the present invention also provides a kind of television devices that can be applicable to above-mentioned flow process, is applicable to television devices and plays the scene of the voice data of TV programme described in the video data, mobile terminal playing of TV programme.Fig. 4 shows the structural representation of the television devices that the embodiment of the present invention provides, and as shown in Figure 4, this equipment comprises:
Described Transmit-Receive Unit 42, for sending to described mobile terminal by voice data after treatment;
Wherein, described television devices is connected with described network access equipment respectively with described mobile terminal;
Preferably, described processor 41 is further used for, according to the sample frequency that the voice data of the described TV programme of playing is sampled, sampling resolution and number of channels, determine the size of buffer area, and voice data after treatment is cached in the buffer area of memory cell; This equipment also comprises: memory cell, for preserving voice data after treatment; Described processor 41 specifically for, when the space of described buffer area is completely time, send to described mobile terminal to play all audio frequency data in described buffer area by network access equipment.
Preferably, described processor 41 is further used for, and starts silent mode or amount of bass pattern.
Preferably, described processor 41 is further used for, and obtains the audio quality levels information of carrying in described audio data transmission request, according to described audio quality levels information, determines the sample frequency of sampling and the coded format of encoding; According to the sample frequency of determining, the voice data of playing is sampled, and voice data sampling being obtained according to the coded format of determining is encoded.
Based on identical technical conceive, the embodiment of the present invention also provides a kind of mobile terminal that can be applicable to above-mentioned flow process, is applicable to television devices and plays the scene of the voice data of TV programme described in the video data, mobile terminal playing of TV programme.Fig. 5 shows the structural representation of the mobile terminal that the embodiment of the present invention provides, and as shown in Figure 5, this terminal comprises:
Transmitting element 51, for sending audio data transmission request to described television devices, to indicate described television devices after receiving described audio data transmission request, keeps the broadcasting of the video data to the TV programme of playing;
Receiving element 52, for receiving the voice data of described television devices transmission and playing, described voice data is after to be described television devices sample, encode and process the described voice data of playing TV programme, sends to described mobile terminal by network access equipment;
Wherein, described television devices is connected with described network access equipment respectively with described mobile terminal.
Preferably, described receiving element 52 specifically for, receive the voice data after treatment that described television devices sends, described voice data is that described television devices is according to the sample frequency that the voice data of the described TV programme of playing is sampled, sampling resolution and number of channels, determine the buffer size of described television devices, and voice data after treatment is cached in the buffer area of determining, in the time that has expired in the space of described buffer area, described television devices sends to described mobile terminal by network access equipment by all audio frequency data in described buffer area.
Preferably, described transmitting element 51 specifically for, in the audio data transmission request sending to described television devices, carry audio quality levels information, described audio quality levels information is used to indicate described television devices and according to the sample frequency of specifying, voice data is sampled and/or according to the coded format of specifying, described voice data encoded.
Based on identical technical conceive, the embodiment of the present invention also provides a kind of TV programme Play System that can be applicable to above-mentioned flow process, is applicable to television devices and plays the scene of the voice data of TV programme described in the video data, mobile terminal playing of TV programme.Fig. 6 shows the structural representation of the TV programme Play System that the embodiment of the present invention provides, and as shown in Figure 6, this system comprises:
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or the combination of square frame.The processor of these computer program instructions to all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device can be provided, make the function of specifying in a flow process in can realization flow figure of instruction that the processor by this computer or other programmable data processing device carries out or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of flow chart or multiple flow process and/or square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of flow chart or a square frame of multiple flow process and/or block diagram or multiple square frame on computer or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and amendment to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (15)
1. a television program playing method, is characterized in that, the method comprises:
The audio data transmission request that television devices mobile terminal receive sends, the broadcasting that keeps the video data to the TV programme of playing;
Described television devices is to the processing of sampling and encode of the voice data of the described TV programme of playing;
Described television devices sends to described mobile terminal to play voice data after treatment by network access equipment;
Wherein, described television devices is connected with described network access equipment respectively with described mobile terminal.
2. the method for claim 1, it is characterized in that, described television devices is sampled and is encoded the voice data of the described TV programme of playing after processing, described television devices further comprises before voice data after treatment being sent to described mobile terminal by network access equipment:
Sample frequency, sampling resolution and the number of channels of the voice data of the described TV programme of playing being sampled according to described television devices, determine the size of the buffer area of described television devices, and voice data after treatment is cached in the buffer area of determining;
Described television devices sends to described mobile terminal to play voice data after treatment by network access equipment, comprising:
In the time that has expired in the space of described buffer area, described television devices sends to described mobile terminal to play all audio frequency data in described buffer area by network access equipment.
3. the method for claim 1, is characterized in that, before described television devices is sampled and encoded the voice data of the described TV programme of playing, further comprises:
Described television devices starts silent mode or amount of bass pattern.
4. the method for claim 1, is characterized in that, described television devices also comprises before the voice data of playing is sampled and encoded:
Described television devices is obtained the audio quality levels information of carrying in described audio data transmission request, according to described audio quality levels information, determines the sample frequency of sampling and the coded format of encoding;
Described television devices is sampled and is encoded the voice data of playing, and specifically comprises:
Described television devices is sampled to the voice data of playing according to the sample frequency of determining, and voice data sampling being obtained according to the coded format of determining is encoded.
5. a television program playing method, is characterized in that, the method comprises:
Mobile terminal sends audio data transmission request to described television devices, to indicate described television devices after receiving described audio data transmission request, keeps the broadcasting of the video data to the TV programme of playing;
Described mobile terminal receives the voice data of described television devices transmission and plays, described voice data is after to be described television devices sample, encode and process the described voice data of playing TV programme, sends to described mobile terminal by network access equipment;
Wherein, described television devices is connected with described network access equipment respectively with described mobile terminal.
6. method as claimed in claim 5, is characterized in that, described television set is sampled, encoded after processing the described voice data of playing TV programme, before sending to described mobile terminal, further comprises by network access equipment:
Described television devices is according to sample frequency, sampling resolution and number of channels that the voice data of the described TV programme of playing is sampled, determine the buffer size of described television devices, and voice data after treatment is cached in the buffer area of determining;
Described television devices is given described mobile terminal by network access equipment by voice data after treatment, comprising:
In the time that has expired in the space of described buffer area, described television devices sends to described mobile terminal by network access equipment by all audio frequency data in described buffer area.
7. method as claimed in claim 5, is characterized in that, described mobile terminal sends audio data transmission request to described television devices, specifically comprises:
In the audio data transmission request that described mobile terminal sends to described television devices, carry audio quality levels information, described audio quality levels information is used to indicate described television devices and according to the sample frequency of specifying, voice data is sampled and/or according to the coded format of specifying, described voice data encoded.
8. a television devices, is characterized in that, this equipment comprises:
Processor, the audio data transmission request sending for mobile terminal receive, the broadcasting that keeps the video data to the TV programme of playing; To the processing of sampling and encode of the voice data of the described TV programme of playing; Instruction Transmit-Receive Unit sends to described mobile terminal to play voice data after treatment by network access equipment;
Described Transmit-Receive Unit, for sending to described mobile terminal by voice data after treatment;
Wherein, described television devices is connected with described network access equipment respectively with described mobile terminal.
9. equipment as claimed in claim 8, is characterized in that, described processor is further used for,
According to the sample frequency that the voice data of the described TV programme of playing is sampled, sampling resolution and number of channels, determine the size of buffer area, and voice data after treatment is cached in the buffer area of memory cell;
This equipment also comprises:
Memory cell, for preserving voice data after treatment;
Described processor specifically for, when the space of described buffer area is completely time, send to described mobile terminal to play all audio frequency data in described buffer area by network access equipment.
10. equipment as claimed in claim 8, is characterized in that, described processor is further used for, and starts silent mode or amount of bass pattern.
11. equipment as claimed in claim 8, is characterized in that, described processor is further used for,
Obtain the audio quality levels information of carrying in described audio data transmission request, according to described audio quality levels information, determine the sample frequency of sampling and the coded format of encoding; According to the sample frequency of determining, the voice data of playing is sampled, and voice data sampling being obtained according to the coded format of determining is encoded.
12. 1 kinds of mobile terminals, is characterized in that, this terminal comprises:
Transmitting element, for sending audio data transmission request to described television devices, to indicate described television devices after receiving described audio data transmission request, keeps the broadcasting of the video data to the TV programme of playing;
Receiving element, for receiving the voice data of described television devices transmission and playing, described voice data is after to be described television devices sample, encode and process the described voice data of playing TV programme, sends to described mobile terminal by network access equipment;
Broadcast unit, the voice data receiving for playing described receiving element;
Wherein, described television devices is connected with described network access equipment respectively with described mobile terminal.
13. terminals as claimed in claim 12, is characterized in that, described receiving element specifically for,
Receive the voice data after treatment that described television devices sends, described voice data is that described television devices is according to sample frequency, sampling resolution and number of channels that the voice data of the described TV programme of playing is sampled, determine the buffer size of described television devices, and voice data after treatment is cached in the buffer area of determining, when the space of described buffer area is completely time, described television devices sends to described mobile terminal by network access equipment by all audio frequency data in described buffer area.
14. terminals as claimed in claim 12, is characterized in that, described transmitting element specifically for,
In the audio data transmission request sending to described television devices, carry audio quality levels information, described audio quality levels information is used to indicate described television devices and according to the sample frequency of specifying, voice data is sampled and/or according to the coded format of specifying, described voice data encoded.
15. 1 kinds of TV programme Play Systems, is characterized in that, this system comprises:
Television devices, is connected with network access equipment, the audio data transmission request sending for mobile terminal receive, the broadcasting that keeps the video data to the TV programme of playing; To the processing of sampling and encode of the voice data of the described TV programme of playing; Instruction Transmit-Receive Unit sends to described mobile terminal to play voice data after treatment by network access equipment;
Mobile terminal, be connected with described network access equipment, for sending audio data transmission request to described television devices, to indicate described television devices after receiving described audio data transmission request, keep the broadcasting of the video data to the TV programme of playing; Receive the voice data of described television devices transmission and play, described voice data is that described television devices is to the described TV programme of playing.
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Video Technology Co.,Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: HISENSE ELECTRIC Co.,Ltd. |