CN107635145A - Audio self-adaptation plays and control method and system, set top box and playback terminal - Google Patents
Audio self-adaptation plays and control method and system, set top box and playback terminal Download PDFInfo
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- CN107635145A CN107635145A CN201610567768.6A CN201610567768A CN107635145A CN 107635145 A CN107635145 A CN 107635145A CN 201610567768 A CN201610567768 A CN 201610567768A CN 107635145 A CN107635145 A CN 107635145A
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Abstract
The present invention discloses a kind of audio self-adaptation and played and control method and system, set top box and playback terminal.The system includes set top box and playback terminal, wherein, set top box, for obtaining the audio decoding capabilities of playback terminal；Judge whether the audio decoding capabilities of playback terminal are better than the audio decoding capabilities of set top box；If the audio decoding capabilities of playback terminal are better than the audio decoding capabilities of set top box, transparent transmission mode is switched to, audio signal is passed through into playback terminal；Playback terminal, for being played after the audio signal decoding.The present invention can carry out decoding broadcasting using the playback terminal that set top box selects audio decoding capabilities strong, it is achieved thereby that home audio broadcasting is adaptive, provide the user more preferable audio quality.
Description
Technical field
The present invention relates to wisdom family field, more particularly to a kind of audio self-adaptation plays and control method and system, machine
Top box and playback terminal.
Background technology
In the prior art, the playback terminal such as playback terminal can play the audio being transferred to after set top box decoding in playing and believe
Number.
The audio decoding capabilities of the playback terminals such as existing intelligent playback terminal significantly improve, the audio solution of some playback terminals
Code ability has been better than the audio decoding capabilities of set top box.And according to prior art, playback terminal can only play set top box decoding
Audio afterwards, playback terminal can not be directly to playing, so as to reduce the broadcasting of playback terminal again after the audio decoder of set top box
Quality, reduce customer experience.
The content of the invention
In view of above technical problem, the invention provides a kind of audio self-adaptation to play and control method and system, machine top
Box and playback terminal, more preferable audio quality can be provided the user with the adaptive of home audio broadcasting.
According to an aspect of the present invention, there is provided a kind of audio self-adaptation plays and control method, including：
Obtain the audio decoding capabilities of playback terminal；
Judge whether the audio decoding capabilities of playback terminal are better than the audio decoding capabilities of set top box；
If the audio decoding capabilities of playback terminal are better than the audio decoding capabilities of set top box, transparent transmission mode is switched to, will
Audio signal passes through playback terminal, by playback terminal to being played after audio signal decoding.
In one embodiment of the invention, methods described also includes：
Under transparent transmission mode, the volume button information of user's input is received；
Volume button information is converted into corresponding volume control key value；
The signal volume in the audio signal of playback terminal is passed through by the control of volume control key value.
In one embodiment of the invention, in the case where being switched to transparent transmission mode, by audio signal initial volume
60% transmits playback terminal.
In one embodiment of the invention, methods described also includes：
If the audio decoding capabilities of playback terminal are less than the audio decoding capabilities of set top box, non-transparent transmission mode is switched to,
Audio signal is decoded, and decoded audio signal is sent to playback terminal and played.
In one embodiment of the invention, methods described also includes：
Under non-transparent transmission mode, decoded audio and volume change signal are transferred to playback terminal；
Receive the information volume of user's input；
Pass through volume change signal of the information volume controlling transmission to playback terminal.
According to another aspect of the present invention, there is provided a kind of audio self-adaptation plays and control method, including：
The audio decoding capabilities of playback terminal are sent to set top box, so that set top box is according to the audio decoder of playback terminal
The comparison of the audio decoding capabilities of ability and set top box, it is determined that by audio signal transparent transmission or non-being transparent to playback terminal；
The audio signal of receiving set up box transparent transmission；
The audio signal of transparent transmission is decoded；
Decoded audio signal is played out.
In one embodiment of the invention, methods described also includes：
Under transparent transmission mode, the volume control key value of receiving set up box transmission；
The volume of decoded audio signal is controlled according to volume control key value.
In one embodiment of the invention, methods described also includes：
Under non-transparent transmission mode, decoded audio signal that receiving set up box is sent, wherein the audio signal bags
Include audio and volume change signal；The step of being played out to decoded audio signal is performed afterwards.
According to another aspect of the present invention, there is provided a kind of set top box, including audio decoding capabilities acquisition module, judge mould
Block, handover module and transparent transmission module, wherein：
Audio decoding capabilities acquisition module, for obtaining the audio decoding capabilities of playback terminal；
Judge module, for judging whether the audio decoding capabilities of playback terminal are better than the audio decoding capabilities of set top box；
Handover module, for the judged result according to judge module, it is better than machine top in the audio decoding capabilities of playback terminal
In the case of the audio decoding capabilities of box, transparent transmission mode is switched to；
Transparent transmission module, in the case of being switched to transparent transmission mode in handover module, audio signal is passed through into broadcasting eventually
End, by playback terminal to being played after audio signal decoding.
In one embodiment of the invention, the set top box also includes key information receiving module, key assignments modular converter
And volume control module, wherein：
Key information receiving module, under transparent transmission mode, receiving the volume button information of user's input；
Key assignments modular converter, the volume button information for key information receiving module to be received are converted to corresponding volume
Control key；
Volume control module, for passing through the volume in the audio signal of playback terminal by the control of volume control key value
Signal.
In one embodiment of the invention, transparent transmission module is used in the case where being switched to transparent transmission mode, and audio is believed
The 60% of number initial volume transmits playback terminal.
In one embodiment of the invention, the set top box also includes non-transparent transmission module, wherein：
Handover module is additionally operable to the judged result according to judge module, is less than machine top in the audio decoding capabilities of playback terminal
In the case of the audio decoding capabilities of box, non-transparent transmission mode is switched to；
Non- transparent transmission module, in the case of being switched to non-transparent transmission mode in handover module, is decoded to audio signal,
And decoded audio signal is sent to playback terminal and played.
In one embodiment of the invention, non-transparent transmission module is additionally operable under non-transparent transmission mode, by decoded audio
Playback terminal, and the volume that manipulation playback terminal plays are transferred to volume change signal.
According to another aspect of the present invention, there is provided a kind of playback terminal, including audio decoding capabilities sending module, audio letter
Number receiving module, decoder module and playing module, wherein：
Audio decoding capabilities sending module, for the audio decoding capabilities of playback terminal to be sent into set top box, so as to machine
Top box is according to the comparisons of the audio decoding capabilities of playback terminal and the audio decoding capabilities of set top box, it is determined that by audio signal transparent transmission
Or non-it is transparent to playback terminal；
Audio signal reception module, the audio signal for receiving set up box transparent transmission；
Decoder module, for being decoded to the audio signal of transparent transmission；
Playing module, for being played out to the decoded audio signal of decoder module.
In one embodiment of the invention, the playback terminal also includes transparent transmission volume control module, wherein：
Transparent transmission volume control module, for the volume control key value that under transparent transmission mode, receiving set up box is sent；And according to
Volume control key value controls the volume of decoded audio signal.
In one embodiment of the invention, audio signal reception module is additionally operable under non-transparent transmission mode, receiver top
The decoded audio signal that box is sent, wherein the audio signal bags include audio and volume change signal；Instruction is broadcast afterwards
Amplification module performs the operation played out to decoded audio signal.
According to another aspect of the present invention, there is provided a kind of audio self-adaptation plays and control system, it is characterised in that including
Set top box as described in above-mentioned any embodiment, and the playback terminal as described in above-mentioned any embodiment.
In one embodiment of the invention, the system also includes remote control, wherein：
Remote control, for the information volume of user to be inputed into set top box；By controlling set top box to control playback terminal
Audio plays；And directly control other multiple playback terminals.
The present invention can carry out decoding broadcasting using the playback terminal that set top box selects audio decoding capabilities strong, so as to realize
Home audio plays adaptive, provides the user more preferable audio quality.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is audio self-adaptation of the present invention broadcasting and the schematic diagram of control system first embodiment.
Fig. 2 is audio self-adaptation of the present invention broadcasting and the schematic diagram of control system second embodiment.
Fig. 3 is audio self-adaptation of the present invention broadcasting and the schematic diagram of control system 3rd embodiment.
Fig. 4 is audio self-adaptation of the present invention broadcasting and the schematic diagram of control system fourth embodiment.
Fig. 5 is audio self-adaptation of the present invention broadcasting and the schematic diagram of control method first embodiment.
Fig. 6 is audio self-adaptation of the present invention broadcasting and the schematic diagram of control method second embodiment.
Fig. 7 is the schematic diagram of set top box first embodiment of the present invention.
Fig. 8 is the schematic diagram of set top box second embodiment of the present invention.
Fig. 9 is audio self-adaptation of the present invention broadcasting and the schematic diagram of control method 3rd embodiment.
Figure 10 is the schematic diagram of playback terminal first embodiment of the present invention.
Figure 11 is audio self-adaptation of the present invention broadcasting and the schematic diagram of control method fourth embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Do not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
Fig. 1 is audio self-adaptation of the present invention broadcasting and the schematic diagram of control system first embodiment.It is as shown in figure 1, described
System includes set top box 1 and playback terminal 2, wherein：
Set top box 1 and playback terminal 2 connect.
In one embodiment of the invention, playback terminal 2 can be playback terminal, it is MP3 player, smart mobile phone, individual
People's computer, tablet personal computer etc. possess the terminal device of audio playing function.
Set top box 1, for obtaining the audio decoding capabilities of playback terminal 2；Judging the audio decoding capabilities of playback terminal 2 is
The no audio decoding capabilities better than set top box 1；It is better than the audio decoder energy of set top box 1 in the audio decoding capabilities of playback terminal 2
In the case of power, set top box 1 is switched to transparent transmission mode, audio signal is passed through into playback terminal 2, by playback terminal 2 to audio
Played after signal decoding；And in the case of audio decoding capabilities of the audio decoding capabilities of playback terminal less than set top box,
Then set top box 1 is switched to non-transparent transmission mode, and audio signal is decoded, and decoded audio signal is sent into broadcasting eventually
End plays.
In one particular embodiment of the present invention, under non-transparent transmission audio mode, set top box 1 can be used for after decoding
Audio and volume change pass through TMDS (Transition Minimized Differential signal, transition modulation
Differential signal, also referred to as minimize differential signal transmission), agreement is transferred to playback terminal 2, and set-top box remote controller can manipulate
The volume of playback terminal.
Set top box 1 can be also used for when the decoding capability of playback terminal 2 is better than set top box 1, transparent transmission audio be selected, by machine
The audio signal of top box passes through playback terminal 2 and carries out decoding broadcasting.The initial volume accounting of set top box is 60%, passes through CEC
(consumer electronics control, consumer electronics control) agreement passes to playback terminal 2, ensures playback terminal 2
Volume when being switched to transparent transmission mode is not too large, user manipulate set-top box remote controller volume plus-minus, set top box by
Increase in HDMI (High Definition Multimedia Interface, HDMI) interface protocol
Volume control key assignments, then by the key assignments of change pass to playback terminal 2 reach control playback terminal 2 volume.
The audio self-adaptation broadcasting provided based on the above embodiment of the present invention and control system, before adding hardware equipment
Put, obtain the decoding capability of playback terminal in set top box, the audio selection of set top box is passed through into playback terminal and decoded
During broadcasting, the key assignments controlled by increasing volume in HDMI interface protocol reaches control.Set top box selects audio decoder energy
The strong playback terminal of power carries out decoding broadcasting, it is achieved thereby that home audio broadcasting is adaptive, provides the user more preferable sound
Imitate quality.
Fig. 2 is audio self-adaptation of the present invention broadcasting and the schematic diagram of control system second embodiment.With Fig. 1 embodiment phases
Than, in Fig. 2 embodiments, the system can also include remote control 3, wherein：
Remote control 3, for the information volume of user to be inputed into set top box 1；And by controlling the control of set top box 1 to play
The audio of terminal 2 plays.
In the above embodiment of the present invention, under transparent transmission audio mode, user can be by manipulating the sound of set-top box remote controller
Amount plus-minus, and set top box can pass to the key assignments of change the volume that playback terminal reaches control playback terminal.
In one embodiment of the invention, a remote control 3 can also directly control multiple while set top box is operated
Playback terminal 2.
Thus the above embodiment of the present invention need not increase hardware and realize the multiple playback terminals of remote control control, so as to letter
User's operation is changed.
Fig. 3 is audio self-adaptation of the present invention broadcasting and the schematic diagram of control system 3rd embodiment.Fig. 4 is audio of the present invention
Adaptive identifying and the schematic diagram of control system fourth embodiment.It is described in Fig. 3 or Fig. 4 embodiments compared with Fig. 2 embodiments
System can also include loudspeaker 4, wherein：
In Fig. 3 embodiments of the present invention, loudspeaker 4 can be arranged on playback terminal 2.
In Fig. 4 embodiments of the present invention, loudspeaker 4 can be arranged on outside playback terminal 2, and loudspeaker 4 is playback terminal 2
External loudspeaker.Such as：Loudspeaker 4 is boom box.
During the playing audio signal of playback terminal 2, playback terminal 2 exports voice signal to loudspeaker 4, Zhi Houbo
Terminal 2 is put after audio signal finishes playing, is returned to set top box 1 and plays success response signal.
By Fig. 5 and Fig. 6 embodiments the audio decoding capabilities of playback terminal are better than with the audio solution of set top box separately below
In the case that the audio decoding capabilities of code ability and playback terminal are less than the audio decoding capabilities of set top box, audio of the present invention
Adaptive identifying is specifically introduced with control method.
Fig. 5 is audio self-adaptation of the present invention broadcasting and the schematic diagram of control method first embodiment.Preferably, the present embodiment
It can be played as the audio self-adaptation described in any embodiment of the present invention and be performed with control system.This method comprises the following steps：
Step 501, set top box 1 obtains the audio decoding capabilities of playback terminal 2.
Step 502, set top box 1 compares the audio decoding capabilities of playback terminal 2 and the audio decoding capabilities of set top box 1.That is,
Judge whether the audio decoding capabilities of playback terminal 2 are better than the audio decoding capabilities of set top box 1.
Step 503, in the case of audio decoding capabilities of the audio decoding capabilities of playback terminal 2 better than set top box 1, machine
Top box 1 is switched to transparent transmission mode, and audio signal is passed through into playback terminal 2.
Step 504, playback terminal 2 is to audio signal decoding.
Step 505, playback terminal 2 exports sound and played out to loudspeaker 4.
Step 506, playback terminal 2 returns to set top box 1 and plays success response signal.
In one embodiment of the invention, methods described can also include：The volume that set top box 1 receives user's input is pressed
Key information, volume button information is converted into corresponding volume control key value；Set top box 1 controls transparent transmission by volume control key value
To the signal volume in the audio signal of playback terminal 2.
The audio self-adaptation broadcasting provided based on the above embodiment of the present invention and control method, are obtained in set top box and played eventually
The decoding capability at end, in the case where the decoding capability of playback terminal is more than set top box decoding capability, the audio of set top box is selected
Select pass through playback terminal carry out decoding play when, by HDMI interface protocol increase volume control key assignments reach control
System.The strong playback terminal of set top box selection audio decoding capabilities carries out decoding broadcasting, it is achieved thereby that home audio play from
Adapt to, provide the user more preferable audio quality.
Fig. 6 is audio self-adaptation of the present invention broadcasting and the schematic diagram of control method second embodiment.Preferably, the present embodiment
It can be played as the audio self-adaptation described in any embodiment of the present invention and be performed with control system.As shown in fig. 6, this method include with
Lower step：
Step 601, set top box 1 obtains the audio decoding capabilities of playback terminal 2.
Step 602, set top box 1 judges whether the audio decoding capabilities of playback terminal 2 are better than the audio decoder energy of set top box 1
Power.
Step 603, in the case of audio decoding capabilities of the audio decoding capabilities of playback terminal 2 less than set top box 1, machine
Top box 1 is switched to non-transparent transmission mode, and audio signal is decoded.
Step 604, decoded audio and volume change are sent to playback terminal 2 by set top box 1 by TMDS agreements.
Set-top box remote controller 3 can manipulate the volume of playback terminal 2.
Step 605, playback terminal 2 exports sound and played out to loudspeaker 4.
Step 606, playback terminal 2 returns to set top box 1 and plays success response signal.
The audio self-adaptation broadcasting provided based on the above embodiment of the present invention and control method, before adding hardware equipment
Put, the decoding capability of playback terminal is obtained in set top box, be less than set top box decoding capability in the decoding capability of playback terminal
In the case of, set top box first decodes audio signal and decoded audio and volume change is sent into broadcasting by TMDS agreements again
Terminal, under non-transparent transmission mode, set-top box remote controller can manipulate the volume of playback terminal.Thus the above embodiment of the present invention is realized
Home audio plays adaptive, has provided the user more preferable audio quality.
Fig. 7 is the schematic diagram of set top box first embodiment of the present invention.As shown in fig. 7, the machine in Fig. 1-Fig. 4 any embodiments
Top box 1 can include audio decoding capabilities acquisition module 11, judge module 12, handover module 13 and transparent transmission module 14, wherein：
Audio decoding capabilities acquisition module 11, for obtaining the audio decoding capabilities of playback terminal 2.
Judge module 12, for judging whether the audio decoding capabilities of playback terminal 2 are better than the audio decoder energy of set top box 1
Power.
Handover module 13, for the judged result according to judge module 12, it is better than in the audio decoding capabilities of playback terminal 2
In the case of the audio decoding capabilities of set top box 1, transparent transmission mode is switched to.
Transparent transmission module 14, in the case of being switched to transparent transmission mode in handover module 13, audio signal is passed through and broadcast
Terminal 2 is put, by playback terminal 2 to being played after audio signal decoding.
Fig. 8 is the schematic diagram of set top box second embodiment of the present invention.It is described in Fig. 8 embodiments compared with Fig. 7 embodiments
Set top box 1 can also include key information receiving module 15, key assignments modular converter 16 and volume control module 17, wherein：
Key information receiving module 15, under transparent transmission mode, receiving the volume button information of user's input.
Key assignments modular converter 16, the volume button information for key information receiving module 15 to be received are converted to corresponding
Volume control key value.
Volume control module 17, for being passed through by the control of volume control key value in the audio signal of playback terminal 2
Signal volume.
In one embodiment of the invention, transparent transmission module 14 specifically can be used for being switched to the situation of transparent transmission mode
Under, transmit playback terminal 2 by the 60% of audio signal initial volume.
The set top box provided based on the above embodiment of the present invention, when the decoding capability of playback terminal 2 is better than set top box 1,
Transparent transmission audio is selected, the audio signal of set top box is passed through into playback terminal 2 and carries out decoding broadcasting.The initial volume of set top box accounts for
Than for 60%, playback terminal 2 is passed to by CEC agreements, thereby guarantee that volume when playback terminal 2 is switched to transparent transmission mode not
Can be too big.User manipulates the volume plus-minus of set-top box remote controller, and set top box in HDMI interface protocol by increasing volume control
The key assignments of system.Then by the key assignments of change pass to playback terminal 2 reach control playback terminal 2 volume.The above-mentioned reality of the present invention
The playback terminal that the set top box for applying example selects audio decoding capabilities strong carries out decoding broadcasting, it is achieved thereby that what home audio played
Adaptively, more preferable audio quality has been provided the user.
In one embodiment of the invention, as shown in figure 8, the set top box 1 can also include non-transparent transmission module 18, its
In：
Handover module 13 can be also used for the judged result according to judge module 12, in the audio decoder energy of playback terminal 2
In the case of audio decoding capabilities of the power less than set top box 1, non-transparent transmission mode is switched to.
Non- transparent transmission module 18, in the case of being switched to non-transparent transmission mode in handover module 13, audio signal is carried out
Decoding, and decoded audio signal is sent to playback terminal 2 and played.
In one embodiment of the invention, non-transparent transmission module 18 can be also used under non-transparent transmission mode, after decoding
Audio and volume change signal be transferred to playback terminal 2, and the volume that manipulation playback terminal 2 plays.
The set top box of the above embodiment of the present invention, audio signal is carried out thoroughly for audio decoding capabilities strong playback terminal
Pass, decoding broadcasting is carried out by the strong playback terminal of audio decoding capabilities；The playback terminal weak to audio decoding capabilities, then be switched to
Non- transparent transmission mode, after decoding audio signal by set top box, it is sent to the weak playback terminal of audio decoding capabilities and plays out.By
This, the above embodiment of the present invention realizes the adaptive of home audio broadcasting, has provided the user more preferable audio quality.
Fig. 9 is audio self-adaptation of the present invention broadcasting and the schematic diagram of control method 3rd embodiment.Preferably, the present embodiment
It can be performed as the set top box described in any embodiment of the present invention.As shown in figure 9, this method comprises the following steps：
Step 901, the audio decoding capabilities of playback terminal 2 are obtained.
Step 902, judge whether the audio decoding capabilities of playback terminal 2 are better than the audio decoding capabilities of set top box 1.If broadcast
The audio decoding capabilities for putting terminal 2 are better than the audio decoding capabilities of set top box 1, then perform step 903；Otherwise, if playback terminal
Audio decoding capabilities be less than set top box audio decoding capabilities, then perform step 904.
Step 903, transparent transmission mode is switched to, audio signal is passed through into playback terminal 2, audio is believed by playback terminal 2
Number decoding after play.
In one embodiment of the invention, methods described can also include：Under transparent transmission mode, user's input is received
Volume button information；Volume button information is converted into corresponding volume control key value；Transparent transmission is controlled by volume control key value
To the signal volume in the audio signal of playback terminal 2.
In one embodiment of the invention, the volume control key value is transmitted by HDMI agreement, i.e. this
Invention above-described embodiment can increase audio control signal with HDMI.
In one embodiment of the invention, methods described can also include：, will in the case where being switched to transparent transmission mode
The 60% of audio signal initial volume transmits playback terminal 2.
Step 904, non-transparent transmission mode is switched to, audio signal is decoded, and decoded audio signal is sent
Played to playback terminal.
In one embodiment of the invention, methods described can also include：Under non-transparent transmission mode, by decoded sound
Frequency and volume change signal are transferred to playback terminal 2；Receive the information volume of user's input；Given by information volume controlling transmission
The volume change signal of playback terminal 2.
The audio self-adaptation broadcasting provided based on the above embodiment of the present invention and control method, can be obtained in set top box and broadcast
The decoding capability of terminal is put, audio signal is subjected to transparent transmission for audio decoding capabilities strong playback terminal, by audio decoder energy
The strong playback terminal of power carries out decoding broadcasting；The playback terminal weak to audio decoding capabilities, then be switched to non-transparent transmission mode, by machine
After top box decoding audio signal, it is sent to the weak playback terminal of audio decoding capabilities and plays out.Thus, the above-mentioned implementation of the present invention
Example realizes the adaptive of home audio broadcasting, can provide the user more preferable audio quality.
Figure 10 is the schematic diagram of playback terminal first embodiment of the present invention.As shown in Figure 10, in Fig. 1-Fig. 4 any embodiments
Playback terminal 2 can include audio decoding capabilities sending module 21, audio signal reception module 22, decoder module 23 and play
Module 24, wherein：
Audio decoding capabilities sending module 21, for the audio decoding capabilities of playback terminal 2 to be sent into set top box 1, with
Just set top box 1 is according to the comparisons of the audio decoding capabilities of playback terminal 2 and the audio decoding capabilities of set top box 1, it is determined that by audio
Signal transparent transmission non-is transparent to playback terminal 2.
Audio signal reception module 22, the audio signal for the transparent transmission of receiving set up box 1.
Decoder module 23, for being decoded to the audio signal of transparent transmission.
Playing module 24, for being played out to 23 decoded audio signal of decoder module.
In one embodiment of the invention, as shown in Figure 10, the playback terminal 2 can also include the control of transparent transmission volume
Module 25, wherein：
Transparent transmission volume control module 25, for the volume control key value that under transparent transmission mode, receiving set up box 1 is sent；And
The volume of decoded audio signal is controlled according to volume control key value.
In one embodiment of the invention, audio signal reception module 22 can be also used under non-transparent transmission mode, connect
The decoded audio signal that set top box 1 is sent is received, wherein the audio signal bags include audio and volume change signal；Afterwards
Instruction playing module 24 performs the operation played out to decoded audio signal.
The playback terminal provided based on the above embodiment of the present invention, can send the audio decoder energy of itself to set top box
Power；The above embodiment of the present invention can both play again to the audio signal of transparent transmission after decoding；Non- transparent transmission can also directly be played
Audio signal.Simultaneously under transparent transmission mode, the above embodiment of the present invention can be with the volume control key of the transmission of receiving set up box 1
Value；And the volume of decoded audio signal is controlled according to volume control key value.Thus, the above embodiment of the present invention realizes house
Front yard audio plays adaptive, can provide the user more preferable audio quality.
Figure 11 is audio self-adaptation of the present invention broadcasting and the schematic diagram of control method fourth embodiment.Preferably, this implementation
Example can be performed as the playback terminal described in any embodiment of the present invention.As shown in figure 11, this method comprises the following steps：
Step 1101, the audio decoding capabilities of playback terminal are sent to set top box, so that set top box is according to playback terminal
Audio decoding capabilities and set top box audio decoding capabilities comparison, it is determined that by audio signal transparent transmission or it is non-be transparent to broadcasting eventually
End.
Step 1102, the audio signal of receiving set up box transparent transmission.
Step 1103, the audio signal of transparent transmission is decoded.
Step 1104, decoded audio signal is played out.
In one embodiment of the invention, methods described can also include：Under transparent transmission mode, receiving set up box is sent
Volume control key value；The volume of decoded audio signal is controlled according to volume control key value.
In one embodiment of the invention, methods described also includes：Under non-transparent transmission mode, receiving set up box is sent
Decoded audio signal, wherein the audio signal bags include audio and volume change signal；Figure 11 embodiments are performed afterwards
Step 1104.
The audio self-adaptation broadcasting provided based on the above embodiment of the present invention and control method, can be sent certainly to set top box
The audio decoding capabilities of body；The above embodiment of the present invention can both play again to the audio signal of transparent transmission after decoding；Can also be straight
Connect the audio signal for playing non-transparent transmission.Simultaneously under transparent transmission mode, the above embodiment of the present invention can be sent with receiving set up box 1
Volume control key value；And the volume of decoded audio signal is controlled according to volume control key value.Thus, the above-mentioned reality of the present invention
Applying example realizes the adaptive of home audio broadcasting, can provide the user more preferable audio quality.
Audio decoding capabilities acquisition module 11 described above, judge module 12, handover module 13, transparent transmission module
14th, key information receiving module 15, key assignments modular converter 16, volume control module 17, non-transparent transmission module 18, audio decoding capabilities
The functions such as sending module 21, audio signal reception module 22, decoder module 23, playing module 24, transparent transmission volume control module 25
Unit can be implemented as the general processor, programmable logic controller (PLC) (PLC), numeral for performing function described herein
Signal processor (DSP), application specific integrated circuit (ASIC), field programmable gate array (FPGA) or other programmable logic devices
Part, discrete gate either transistor logic, discrete hardware components or it is any appropriately combined.
So far, the present invention is described in detail.In order to avoid the design of the masking present invention, it is public that this area institute is not described
Some details known.Those skilled in the art as described above, can be appreciated how to implement technology disclosed herein completely
Scheme.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
Description of the invention provides for the sake of example and description, and is not exhaustively or by the present invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Select and retouch
State embodiment and be to more preferably illustrate the principle and practical application of the present invention, and one of ordinary skill in the art is managed
The present invention is solved so as to design the various embodiments with various modifications suitable for special-purpose.
Claims (18)
1. a kind of audio self-adaptation plays and control method, it is characterised in that including：
Obtain the audio decoding capabilities of playback terminal；
Judge whether the audio decoding capabilities of playback terminal are better than the audio decoding capabilities of set top box；
If the audio decoding capabilities of playback terminal are better than the audio decoding capabilities of set top box, transparent transmission mode is switched to, by audio
Signal passes through playback terminal, by playback terminal to being played after audio signal decoding.
2. according to the method for claim 1, it is characterised in that also include：
Under transparent transmission mode, the volume button information of user's input is received；
Volume button information is converted into corresponding volume control key value；
The signal volume in the audio signal of playback terminal is passed through by the control of volume control key value.
3. method according to claim 1 or 2, it is characterised in that
In the case where being switched to transparent transmission mode, playback terminal is transmitted by the 60% of audio signal initial volume.
4. method according to claim 1 or 2, it is characterised in that also include：
If the audio decoding capabilities of playback terminal are less than the audio decoding capabilities of set top box, non-transparent transmission mode is switched to, to sound
Frequency signal is decoded, and decoded audio signal is sent into playback terminal and played.
5. according to the method for claim 4, it is characterised in that also include：
Under non-transparent transmission mode, decoded audio and volume change signal are transferred to playback terminal；
Receive the information volume of user's input；
Pass through volume change signal of the information volume controlling transmission to playback terminal.
6. a kind of audio self-adaptation plays and control method, it is characterised in that including：
The audio decoding capabilities of playback terminal are sent to set top box, so that set top box is according to the audio decoding capabilities of playback terminal
With the comparison of the audio decoding capabilities of set top box, it is determined that by audio signal transparent transmission or non-being transparent to playback terminal；
The audio signal of receiving set up box transparent transmission；
The audio signal of transparent transmission is decoded；
Decoded audio signal is played out.
7. according to the method for claim 6, it is characterised in that also include：
Under transparent transmission mode, the volume control key value of receiving set up box transmission；
The volume of decoded audio signal is controlled according to volume control key value.
8. the method according to claim 6 or 7, it is characterised in that also include：
Under non-transparent transmission mode, decoded audio signal that receiving set up box is sent, wherein the audio signal bags include sound
Frequency and volume change signal；The step of being played out to decoded audio signal is performed afterwards.
9. a kind of set top box, it is characterised in that including audio decoding capabilities acquisition module, judge module, handover module and transparent transmission
Module, wherein：
Audio decoding capabilities acquisition module, for obtaining the audio decoding capabilities of playback terminal；
Judge module, for judging whether the audio decoding capabilities of playback terminal are better than the audio decoding capabilities of set top box；
Handover module, for the judged result according to judge module, it is better than set top box in the audio decoding capabilities of playback terminal
In the case of audio decoding capabilities, transparent transmission mode is switched to；
Transparent transmission module, in the case of being switched to transparent transmission mode in handover module, audio signal is passed through into playback terminal, by
Playback terminal after audio signal decoding to playing.
10. set top box according to claim 9, it is characterised in that also including key information receiving module, key assignments modulus of conversion
Block and volume control module, wherein：
Key information receiving module, under transparent transmission mode, receiving the volume button information of user's input；
Key assignments modular converter, the volume button information for key information receiving module to be received are converted to corresponding volume control
Key assignments；
Volume control module, believe for passing through the volume in the audio signal of playback terminal by the control of volume control key value
Number.
11. the set top box according to claim 9 or 10, it is characterised in that
Transparent transmission module is used in the case where being switched to transparent transmission mode, and the 60% of audio signal initial volume is transmitted and is played eventually
End.
12. the set top box according to claim 9 or 10, it is characterised in that also including non-transparent transmission module, wherein：
Handover module is additionally operable to the judged result according to judge module, is less than set top box in the audio decoding capabilities of playback terminal
In the case of audio decoding capabilities, non-transparent transmission mode is switched to；
Non- transparent transmission module, in the case of being switched to non-transparent transmission mode in handover module, is decoded to audio signal, and will
Decoded audio signal is sent to playback terminal broadcasting.
13. set top box according to claim 12, it is characterised in that
Non- transparent transmission module is additionally operable under non-transparent transmission mode, and decoded audio and volume change signal are transferred into broadcasting eventually
End, and the volume that manipulation playback terminal plays.
14. a kind of playback terminal, it is characterised in that including audio decoding capabilities sending module, audio signal reception module, decoding
Module and playing module, wherein：
Audio decoding capabilities sending module, for the audio decoding capabilities of playback terminal to be sent into set top box, so as to set top box
According to the comparison of the audio decoding capabilities of playback terminal and the audio decoding capabilities of set top box, it is determined that by audio signal transparent transmission or non-
It is transparent to playback terminal；
Audio signal reception module, the audio signal for receiving set up box transparent transmission；
Decoder module, for being decoded to the audio signal of transparent transmission；
Playing module, for being played out to the decoded audio signal of decoder module.
15. playback terminal according to claim 14, it is characterised in that also including transparent transmission volume control module, wherein：
Transparent transmission volume control module, for the volume control key value that under transparent transmission mode, receiving set up box is sent；And according to volume
Control key controls the volume of decoded audio signal.
16. the playback terminal according to claims 14 or 15, it is characterised in that
Audio signal reception module is additionally operable under non-transparent transmission mode, the decoded audio signal that receiving set up box is sent,
Wherein described audio signal bags include audio and volume change signal；Indicate that playing module is performed to decoded audio signal afterwards
The operation played out.
17. a kind of audio self-adaptation plays and control system, it is characterised in that including as any one of claim 9-13
Set top box, and the playback terminal as any one of claim 14-16.
18. system according to claim 17, it is characterised in that also including remote control, wherein：
Remote control, for the information volume of user to be inputed into set top box；By controlling set top box to control the audio of playback terminal
Play；And directly control other multiple playback terminals.
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| CN107635145B (en) | 2020-02-14 |
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