CN107635145B - Audio self-adaptive playing and control method and system, set top box and playing terminal - Google Patents
Audio self-adaptive playing and control method and system, set top box and playing terminal Download PDFInfo
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- CN107635145B CN107635145B CN201610567768.6A CN201610567768A CN107635145B CN 107635145 B CN107635145 B CN 107635145B CN 201610567768 A CN201610567768 A CN 201610567768A CN 107635145 B CN107635145 B CN 107635145B
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Abstract
The invention discloses an audio self-adaptive playing and control method and system, a set top box and a playing terminal. The system comprises a set top box and a playing terminal, wherein the set top box is used for acquiring the audio decoding capability of the playing terminal; judging whether the audio decoding capability of the playing terminal is superior to that of the set-top box or not; if the audio decoding capability of the playing terminal is better than that of the set-top box, switching to a transparent transmission mode, and transmitting the audio signal to the playing terminal; and the playing terminal is used for decoding the audio signal and then playing the audio signal. The invention can utilize the set-top box to select the playing terminal with strong audio decoding capability for decoding and playing, thereby realizing the self-adaption of the family audio playing and providing better sound effect quality for users.
Description
Technical Field
The invention relates to the field of smart homes, in particular to an audio self-adaptive playing and control method and system, a set top box and a playing terminal.
Background
In the prior art, a playing terminal such as a playing terminal can play an audio signal which is decoded by a set top box and then transmitted to a player.
The audio decoding capability of the existing intelligent playing terminal and other playing terminals is obviously improved, and the audio decoding capability of some playing terminals is superior to that of the set-top box. According to the prior art, the playing terminal can only play the audio decoded by the set top box, and the playing terminal cannot directly decode and play the audio of the set top box, so that the playing quality of the playing terminal is reduced, and the customer experience is reduced.
Disclosure of Invention
In view of the above technical problems, the present invention provides an audio adaptive playing and control method and system, a set top box and a playing terminal, which can adapt to the home audio playing and provide better sound quality for users.
According to an aspect of the present invention, there is provided an audio adaptive playing and control method, including:
acquiring the audio decoding capability of a playing terminal;
judging whether the audio decoding capability of the playing terminal is superior to that of the set-top box or not;
if the audio decoding capability of the playing terminal is better than that of the set-top box, the playing terminal switches to a transparent transmission mode, transmits the audio signal to the playing terminal, and plays the audio signal after decoding by the playing terminal.
In one embodiment of the invention, the method further comprises:
receiving volume key information input by a user in a transparent transmission mode;
converting the volume key information into a corresponding volume control key value;
and controlling the volume signal in the audio signal transmitted to the playing terminal through the volume control key value.
In one embodiment of the invention, in the case of switching to the transparent transmission mode, 60% of the initial volume of the audio signal is transmitted to the play terminal.
In one embodiment of the invention, the method further comprises:
and if the audio decoding capability of the playing terminal is lower than that of the set-top box, switching to a non-transparent transmission mode, decoding the audio signal, and sending the decoded audio signal to the playing terminal for playing.
In one embodiment of the invention, the method further comprises:
transmitting the decoded audio and volume change signals to a playing terminal in a non-transparent transmission mode;
receiving volume information input by a user;
and controlling the volume change signal transmitted to the playing terminal through the volume information.
According to another aspect of the present invention, there is provided an audio adaptive playing and control method, including:
the audio decoding capability of the playing terminal is sent to the set-top box, so that the set-top box determines whether to transmit or not transmit the audio signal to the playing terminal according to the comparison between the audio decoding capability of the playing terminal and the audio decoding capability of the set-top box;
receiving audio signals transmitted by a set top box;
decoding the transparently transmitted audio signal;
and playing the decoded audio signal.
In one embodiment of the invention, the method further comprises:
receiving a volume control key value sent by a set top box in a transparent transmission mode;
and controlling the volume of the decoded audio signal according to the volume control key value.
In one embodiment of the invention, the method further comprises:
receiving a decoded audio signal sent by a set top box in a non-transparent transmission mode, wherein the audio signal comprises audio and an audio variable signal; then, the step of playing the decoded audio signal is performed.
According to another aspect of the present invention, there is provided a set top box, including an audio decoding capability obtaining module, a determining module, a switching module, and a transparent transmission module, wherein:
the audio decoding capability acquisition module is used for acquiring the audio decoding capability of the playing terminal;
the judging module is used for judging whether the audio decoding capability of the playing terminal is better than that of the set-top box;
the switching module is used for switching to a transparent transmission mode under the condition that the audio decoding capability of the playing terminal is superior to that of the set-top box according to the judgment result of the judging module;
and the transparent transmission module is used for transmitting the audio signal to the playing terminal under the condition that the switching module is switched to the transparent transmission mode, and the playing terminal decodes the audio signal and plays the decoded audio signal.
In an embodiment of the present invention, the set top box further includes a key information receiving module, a key value conversion module, and a volume control module, wherein:
the key information receiving module is used for receiving volume key information input by a user in a transparent transmission mode;
the key value conversion module is used for converting the volume key information received by the key information receiving module into a corresponding volume control key value;
and the volume control module is used for controlling the volume signal in the audio signal transmitted to the playing terminal through the volume control key value.
In an embodiment of the present invention, the pass-through module is configured to transmit 60% of an initial volume of the audio signal to the play terminal when the mode is switched to the pass-through mode.
In one embodiment of the present invention, the set-top box further comprises a non-transparent transmission module, wherein:
the switching module is also used for switching to a non-transparent transmission mode under the condition that the audio decoding capability of the playing terminal is lower than that of the set-top box according to the judgment result of the judgment module;
and the non-transparent transmission module is used for decoding the audio signal under the condition that the switching module is switched to the non-transparent transmission mode, and sending the decoded audio signal to the playing terminal for playing.
In an embodiment of the present invention, the non-transparent transmission module is further configured to transmit the decoded audio and volume change signal to the play terminal in a non-transparent transmission mode, and control the volume played by the play terminal.
According to another aspect of the present invention, there is provided a broadcast terminal including an audio decoding capability transmitting module, an audio signal receiving module, a decoding module, and a broadcast module, wherein:
the audio decoding capability sending module is used for sending the audio decoding capability of the playing terminal to the set-top box so that the set-top box can determine whether to transmit or not transmit the audio signal to the playing terminal according to the comparison between the audio decoding capability of the playing terminal and the audio decoding capability of the set-top box;
the audio signal receiving module is used for receiving the audio signal transmitted by the set top box;
the decoding module is used for decoding the audio signal transmitted through;
and the playing module is used for playing the audio signal decoded by the decoding module.
In an embodiment of the present invention, the playback terminal further includes a transparent volume control module, where:
the transparent transmission volume control module is used for receiving a volume control key value sent by the set top box in a transparent transmission mode; and controlling the volume of the decoded audio signal according to the volume control key value.
In an embodiment of the present invention, the audio signal receiving module is further configured to receive a decoded audio signal sent by the set top box in a non-transparent transmission mode, where the audio signal includes an audio signal and an audio volume change signal; and then, instructing the playing module to execute the operation of playing the decoded audio signal.
According to another aspect of the present invention, an audio adaptive playing and control system is provided, which is characterized by comprising a set-top box as described in any of the above embodiments, and a playing terminal as described in any of the above embodiments.
In one embodiment of the invention, the system further comprises a remote control, wherein:
the remote controller is used for inputting the volume information of the user to the set-top box; controlling the audio playing of the playing terminal through the control set-top box; and directly control other multiple cast terminals.
The invention can utilize the set-top box to select the playing terminal with strong audio decoding capability for decoding and playing, thereby realizing the self-adaption of the family audio playing and providing better sound effect quality for users.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of an audio adaptive playing and control system according to a first embodiment of the present invention.
FIG. 2 is a diagram of an audio adaptive playing and control system according to a second embodiment of the present invention.
FIG. 3 is a diagram of an audio adaptive playing and control system according to a third embodiment of the present invention.
FIG. 4 is a diagram of an audio adaptive playing and control system according to a fourth embodiment of the present invention.
FIG. 5 is a diagram of a first embodiment of an audio adaptive playing and control method according to the present invention.
FIG. 6 is a diagram illustrating an audio adaptive playing and control method according to a second embodiment of the present invention.
Fig. 7 is a schematic diagram of a set-top box according to a first embodiment of the present invention.
Fig. 8 is a schematic diagram of a set-top box according to a second embodiment of the present invention.
FIG. 9 is a diagram of a third embodiment of an audio adaptive playing and control method according to the present invention.
Fig. 10 is a schematic diagram of a first embodiment of a broadcast terminal according to the present invention.
FIG. 11 is a diagram illustrating an audio adaptive playing and control method according to a fourth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a schematic diagram of an audio adaptive playing and control system according to a first embodiment of the present invention. As shown in fig. 1, the system includes a set-top box 1 and a play terminal 2, wherein:
the set-top box 1 is connected with the playing terminal 2.
In an embodiment of the present invention, the playback terminal 2 may be a playback terminal, an MP3 player, a smart phone, a personal computer, a tablet computer, or other terminal devices with an audio playback function.
The set-top box 1 is used for acquiring the audio decoding capability of the playing terminal 2; judging whether the audio decoding capability of the playing terminal 2 is better than that of the set-top box 1; under the condition that the audio decoding capability of the playing terminal 2 is superior to that of the set top box 1, the set top box 1 is switched to a transparent transmission mode, the audio signal is transmitted to the playing terminal 2, and the playing terminal 2 decodes the audio signal and then plays the audio signal; and under the condition that the audio decoding capability of the playing terminal is lower than that of the set-top box, the set-top box 1 is switched to a non-transparent transmission mode to decode the audio signal and send the decoded audio signal to the playing terminal for playing.
In an embodiment of the present invention, in the non-transparent transmission audio mode, the set-top box 1 may be configured to transmit the decoded audio and the volume change to the playing terminal 2 through a TMDS (Transition Minimized Differential signal, also referred to as a Transition Minimized Differential signal) protocol, and the set-top box remote controller may control the volume of the playing terminal.
The set-top box 1 can also be used for selecting the transparent transmission audio when the decoding capability of the playing terminal 2 is better than that of the set-top box 1, and transmitting the audio signal of the set-top box to the playing terminal 2 for decoding and playing. The initial volume of the set-top box is 60%, and the volume is transmitted to the playing terminal 2 through a CEC (consumer electronics control) protocol, so that the volume when the playing terminal 2 is switched to a transparent transmission mode is not too large, a user controls the volume of a remote controller of the set-top box to be increased or decreased, the set-top box increases a key value for controlling the volume through an Interface protocol of an HDMI (High Definition Multimedia Interface), and then transmits the changed key value to the playing terminal 2 to control the volume of the playing terminal 2.
Based on the audio self-adaptive playing and control system provided by the embodiment of the invention, on the premise of adding a new hardware device, the set top box acquires the decoding capability of the playing terminal, and when the audio selection of the set top box is transmitted to the playing terminal for decoding and playing, the control is achieved by adding the key value of volume control in the interface protocol of the HDMI. The set top box selects the playing terminal with strong audio decoding capability to perform decoding playing, thereby realizing the self-adaption of home audio playing and providing better sound effect quality for users.
FIG. 2 is a diagram of an audio adaptive playing and control system according to a second embodiment of the present invention. Compared to the embodiment of fig. 1, in the embodiment of fig. 2, the system may further include a remote controller 3, where:
the remote controller 3 is used for inputting the volume information of the user to the set-top box 1; and controlling the audio playing of the playing terminal 2 by controlling the set-top box 1.
In the above embodiment of the present invention, in the transparent transmission audio mode, the user can increase or decrease the volume by operating the remote controller of the set-top box, and the set-top box can transmit the changed key value to the playing terminal to control the volume of the playing terminal.
In one embodiment of the present invention, one remote controller 3 can directly control a plurality of broadcasting terminals 2 while operating the set-top box.
Therefore, the embodiment of the invention realizes that one remote controller controls a plurality of playing terminals without adding hardware, thereby simplifying user operation.
FIG. 3 is a diagram of an audio adaptive playing and control system according to a third embodiment of the present invention. FIG. 4 is a diagram of an audio adaptive playing and control system according to a fourth embodiment of the present invention. Compared to the embodiment of fig. 2, in the embodiment of fig. 3 or 4, the system may further include a speaker 4, wherein:
in the fig. 3 embodiment of the present invention, the speaker 4 may be disposed on the cast terminal 2.
In the embodiment of fig. 4 of the present invention, the speaker 4 may be disposed outside the playing terminal 2, and the speaker 4 is an external speaker of the playing terminal 2. For example: the loudspeaker 4 is an external sound box.
In the process of playing the audio signal by the playing terminal 2, the playing terminal 2 outputs the sound signal to the speaker 4, and then the playing terminal 2 returns a response signal of successful playing to the set-top box 1 after the audio signal playing is completed.
The following respectively describes the embodiments of fig. 5 and fig. 6 with respect to the case that the audio decoding capability of the playing terminal is better than that of the set-top box, and the case that the audio decoding capability of the playing terminal is smaller than that of the set-top box, the audio adaptive playing and controlling method of the present invention is specifically described.
FIG. 5 is a diagram of a first embodiment of an audio adaptive playing and control method according to the present invention. Preferably, this embodiment can be executed by the audio adaptive playing and control system according to any embodiment of the present invention. The method comprises the following steps:
step 501, the set-top box 1 obtains the audio decoding capability of the playing terminal 2.
Step 502, the set-top box 1 compares the audio decoding capability of the playing terminal 2 with the audio decoding capability of the set-top box 1. That is, it is determined whether the audio decoding capability of the play terminal 2 is better than that of the set-top box 1.
Step 503, under the condition that the audio decoding capability of the playing terminal 2 is better than that of the set-top box 1, the set-top box 1 switches to a transparent transmission mode, and transmits the audio signal to the playing terminal 2.
In step 504, the audio signal is decoded by the play terminal 2.
In step 505, the playing terminal 2 outputs the sound to the speaker 4 for playing.
In step 506, the playing terminal 2 returns a response signal of successful playing to the set-top box 1.
In one embodiment of the present invention, the method may further include: the set top box 1 receives volume key information input by a user and converts the volume key information into a corresponding volume control key value; the set top box 1 controls the volume signal in the audio signal transmitted to the playing terminal 2 through the volume control key value.
Based on the audio self-adaptive playing and control method provided by the embodiment of the invention, when the set-top box acquires the decoding capability of the playing terminal and transmits the audio selection of the set-top box to the playing terminal for decoding and playing under the condition that the decoding capability of the playing terminal is greater than the decoding capability of the set-top box, the control is achieved by increasing the key value of volume control in the HDMI interface protocol. The set top box selects the playing terminal with strong audio decoding capability to perform decoding playing, thereby realizing the self-adaption of home audio playing and providing better sound effect quality for users.
FIG. 6 is a diagram illustrating an audio adaptive playing and control method according to a second embodiment of the present invention. Preferably, this embodiment can be executed by the audio adaptive playing and control system according to any embodiment of the present invention. As shown in fig. 6, the method comprises the steps of:
step 601, the set-top box 1 obtains the audio decoding capability of the playing terminal 2.
Step 602, the set-top box 1 determines whether the audio decoding capability of the playing terminal 2 is better than the audio decoding capability of the set-top box 1.
Step 603, under the condition that the audio decoding capability of the playing terminal 2 is lower than that of the set-top box 1, the set-top box 1 is switched to a non-transparent transmission mode to decode the audio signal.
In step 604, the set-top box 1 sends the decoded audio and volume change to the playing terminal 2 through the TMDS protocol. The set-top box remote control 3 can control the volume of the playing terminal 2.
In step 605, the playback terminal 2 outputs the sound to the speaker 4 for playback.
In step 606, the playing terminal 2 returns a response signal of successful playing to the set-top box 1.
Based on the audio self-adaptive playing and control method provided by the embodiment of the invention, on the premise of adding a new hardware device, the set top box acquires the decoding capability of the playing terminal, and under the condition that the decoding capability of the playing terminal is lower than that of the set top box, the set top box firstly decodes the audio signal and then sends the decoded audio and the volume change to the playing terminal through a TMDS protocol, and under a non-transparent transmission mode, a set top box remote controller can control the volume of the playing terminal. Therefore, the embodiment of the invention realizes the self-adaptation of the family audio playing and provides better sound effect quality for users.
Fig. 7 is a schematic diagram of a set-top box according to a first embodiment of the present invention. As shown in fig. 7, the set-top box 1 in any embodiment of fig. 1 to 4 may include an audio decoding capability obtaining module 11, a determining module 12, a switching module 13, and a transparent transmission module 14, where:
and the audio decoding capability obtaining module 11 is configured to obtain the audio decoding capability of the playback terminal 2.
The judging module 12 is configured to judge whether the audio decoding capability of the playing terminal 2 is better than the audio decoding capability of the set-top box 1.
And the switching module 13 is configured to switch to the transparent transmission mode according to the judgment result of the judging module 12 when the audio decoding capability of the playing terminal 2 is better than the audio decoding capability of the set-top box 1.
And the transparent transmission module 14 is configured to transmit the audio signal to the playing terminal 2 in a transparent transmission mode switched by the switching module 13, and the playing terminal 2 decodes the audio signal and plays the decoded audio signal.
Fig. 8 is a schematic diagram of a set-top box according to a second embodiment of the present invention. Compared with the embodiment of fig. 7, in the embodiment of fig. 8, the set top box 1 may further include a key information receiving module 15, a key value converting module 16, and a volume control module 17, where:
and the key information receiving module 15 is configured to receive volume key information input by a user in the transparent transmission mode.
And a key value conversion module 16, configured to convert the volume key information received by the key information receiving module 15 into a corresponding volume control key value.
And the volume control module 17 is configured to control a volume signal in the audio signal transmitted to the play terminal 2 through a volume control key value.
In an embodiment of the present invention, the transparent transmission module 14 may be specifically configured to transmit 60% of the initial volume of the audio signal to the play terminal 2 when the transparent transmission mode is switched.
Based on the set-top box provided by the above embodiment of the invention, when the decoding capability of the playing terminal 2 is better than that of the set-top box 1, the transparent transmission audio is selected, and the audio signal of the set-top box is transmitted to the playing terminal 2 for decoding and playing. The initial volume of the set-top box accounts for 60%, and the volume is transmitted to the playing terminal 2 through the CEC protocol, so that the volume when the playing terminal 2 is switched to the transparent transmission mode is not too large. The user controls the volume of the set-top box remote controller to increase or decrease, and the set-top box increases the key value of volume control in the HDMI interface protocol. And then the changed key value is transmitted to the playing terminal 2 to control the volume of the playing terminal 2. The set top box of the embodiment of the invention selects the playing terminal with strong audio decoding capability to perform decoding playing, thereby realizing the self-adaption of the family audio playing and providing better sound effect quality for users.
In an embodiment of the present invention, as shown in fig. 8, the set-top box 1 may further include a non-transparent transmission module 18, where:
the switching module 13 may also be configured to switch to the non-transparent transmission mode according to the determination result of the determining module 12, when the audio decoding capability of the playing terminal 2 is lower than the audio decoding capability of the set-top box 1.
And the non-transparent transmission module 18 is configured to decode the audio signal and send the decoded audio signal to the playing terminal 2 for playing under the condition that the switching module 13 is switched to the non-transparent transmission mode.
In an embodiment of the present invention, the non-transparent transmission module 18 may be further configured to transmit the decoded audio and volume change signal to the play terminal 2 in the non-transparent transmission mode, and control the volume played by the play terminal 2.
In the set-top box of the embodiment of the invention, the audio signal is transmitted to the playing terminal with strong audio decoding capability, and the playing terminal with strong audio decoding capability performs decoding playing; and switching the playing terminal with weak audio decoding capability to a non-transparent transmission mode, and sending the audio signal decoded by the set top box to the playing terminal with weak audio decoding capability for playing. Therefore, the embodiment of the invention realizes the self-adaptation of the family audio playing and provides better sound effect quality for users.
FIG. 9 is a diagram of a third embodiment of an audio adaptive playing and control method according to the present invention. Preferably, this embodiment can be executed by the set-top box according to any embodiment of the present invention. As shown in fig. 9, the method includes the steps of:
In one embodiment of the present invention, the method may further include: receiving volume key information input by a user in a transparent transmission mode; converting the volume key information into a corresponding volume control key value; and controlling the volume signal in the audio signal transmitted to the playing terminal 2 through the volume control key value.
In an embodiment of the present invention, the volume control key is transmitted through an HDMI protocol, that is, the above embodiment of the present invention can add an audio control signal to the HDMI.
In one embodiment of the present invention, the method may further include: in the case of switching to the transparent transmission mode, 60% of the initial volume of the audio signal is transmitted to the play terminal 2.
And 904, switching to a non-transparent transmission mode, decoding the audio signal, and sending the decoded audio signal to a playing terminal for playing.
In one embodiment of the present invention, the method may further include: transmitting the decoded audio and volume change signal to the playing terminal 2 in a non-transparent transmission mode; receiving volume information input by a user; the volume change signal transmitted to the cast terminal 2 is controlled by the volume information.
Based on the audio self-adaptive playing and control method provided by the embodiment of the invention, the decoding capability of the playing terminal can be obtained at the set top box, the playing terminal with strong audio decoding capability transparently transmits the audio signal, and the playing terminal with strong audio decoding capability performs decoding playing; and switching the playing terminal with weak audio decoding capability to a non-transparent transmission mode, and sending the audio signal decoded by the set top box to the playing terminal with weak audio decoding capability for playing. Therefore, the embodiment of the invention realizes the self-adaptation of the family audio playing and can provide better sound effect quality for the user.
Fig. 10 is a schematic diagram of a first embodiment of a broadcast terminal according to the present invention. As shown in fig. 10, the playing terminal 2 in any embodiment of fig. 1-4 may include an audio decoding capability sending module 21, an audio signal receiving module 22, a decoding module 23, and a playing module 24, where:
the audio decoding capability sending module 21 is configured to send the audio decoding capability of the playing terminal 2 to the set top box 1, so that the set top box 1 determines whether to transparently transmit or not to transparently transmit the audio signal to the playing terminal 2 according to a comparison between the audio decoding capability of the playing terminal 2 and the audio decoding capability of the set top box 1.
And the audio signal receiving module 22 is configured to receive the audio signal transparently transmitted by the set top box 1.
And the decoding module 23 is configured to decode the unvarnished transmission audio signal.
And the playing module 24 is configured to play the audio signal decoded by the decoding module 23.
In an embodiment of the present invention, as shown in fig. 10, the playing terminal 2 may further include a transparent volume control module 25, where:
a transparent transmission volume control module 25, configured to receive a volume control key value sent by the set-top box 1 in a transparent transmission mode; and controlling the volume of the decoded audio signal according to the volume control key value.
In an embodiment of the present invention, the audio signal receiving module 22 may be further configured to receive, in a non-transparent transmission mode, a decoded audio signal sent by the set top box 1, where the audio signal includes an audio signal and an audio volume change signal; and then instructs the play module 24 to perform an operation of playing the decoded audio signal.
Based on the playing terminal provided by the embodiment of the invention, the audio decoding capability of the playing terminal can be sent to the set-top box; the embodiment of the invention can decode the audio signal transmitted through and then play the audio signal; the non-transparent audio signal can also be directly played. Meanwhile, in the transparent transmission mode, the embodiment of the invention can also receive the volume control key value sent by the set top box 1; and controlling the volume of the decoded audio signal according to the volume control key value. Therefore, the embodiment of the invention realizes the self-adaptation of the family audio playing and can provide better sound effect quality for the user.
FIG. 11 is a diagram illustrating an audio adaptive playing and control method according to a fourth embodiment of the present invention. Preferably, this embodiment can be executed by the playback terminal according to any embodiment of the present invention. As shown in fig. 11, the method comprises the steps of:
And step 1104, playing the decoded audio signal.
In one embodiment of the present invention, the method may further include: receiving a volume control key value sent by a set top box in a transparent transmission mode; and controlling the volume of the decoded audio signal according to the volume control key value.
In one embodiment of the invention, the method further comprises: receiving a decoded audio signal sent by a set top box in a non-transparent transmission mode, wherein the audio signal comprises audio and an audio variable signal; step 1104 of the fig. 11 embodiment is then performed.
Based on the audio self-adaptive playing and control method provided by the embodiment of the invention, the self audio decoding capability can be sent to the set-top box; the embodiment of the invention can decode the audio signal transmitted through and then play the audio signal; the non-transparent audio signal can also be directly played. Meanwhile, in the transparent transmission mode, the embodiment of the invention can also receive the volume control key value sent by the set top box 1; and controlling the volume of the decoded audio signal according to the volume control key value. Therefore, the embodiment of the invention realizes the self-adaptation of the family audio playing and can provide better sound effect quality for the user.
The functional units of the audio decoding capability obtaining module 11, the judging module 12, the switching module 13, the transparent transmission module 14, the key information receiving module 15, the key value conversion module 16, the volume control module 17, the non-transparent transmission module 18, the audio decoding capability sending module 21, the audio signal receiving module 22, the decoding module 23, the playing module 24, the transparent transmission volume control module 25, etc. described above may be implemented as a general processor, a Programmable Logic Controller (PLC), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, or any suitable combination thereof for performing the functions described herein.
Thus far, the present invention has been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (14)
1. An audio adaptive playing and control method is characterized by comprising the following steps:
the set top box acquires the audio decoding capability of the playing terminal;
the set-top box judges whether the audio decoding capability of the playing terminal is superior to that of the set-top box;
if the audio decoding capability of the playing terminal is superior to that of the set-top box, the set-top box is switched to a transparent transmission mode, the audio signal is transmitted to the playing terminal, and the playing terminal plays the audio signal after decoding the audio signal;
and if the audio decoding capability of the playing terminal is lower than that of the set-top box, the set-top box is switched to a non-transparent transmission mode to decode the audio signal and send the decoded audio signal to the playing terminal for playing.
2. The method of claim 1, further comprising:
in the transparent transmission mode, the set top box receives volume key information input by a user;
the set top box converts the volume key information into a corresponding volume control key value;
the set top box controls the volume signal in the audio signal transmitted to the playing terminal through the volume control key value.
3. The method according to claim 1 or 2,
and under the condition of switching to the transparent transmission mode, the set top box transmits 60% of the initial volume of the audio signal to the playing terminal.
4. The method of claim 1 or 2, further comprising:
in the non-transparent transmission mode, the set top box transmits the decoded audio and volume change signals to a playing terminal;
the set top box receives volume information input by a user;
the set-top box controls the volume change signal transmitted to the playing terminal through the volume information.
5. An audio adaptive playing and control method is characterized by comprising the following steps:
the playing terminal sends the audio decoding capability of the playing terminal to the set-top box, so that the set-top box determines whether to transmit or not transmit the audio signal to the playing terminal according to the comparison between the audio decoding capability of the playing terminal and the audio decoding capability of the set-top box;
the playing terminal receives the audio signal transmitted by the set-top box;
the playing terminal decodes the transparently transmitted audio signal;
the playing terminal plays the decoded audio signal;
the audio self-adaptive playing and controlling method further comprises the following steps:
in a non-transparent transmission mode, a playing terminal receives a decoded audio signal sent by a set top box, wherein the audio signal comprises audio and audio variable signals; then, the step of playing the decoded audio signal is performed.
6. The method of claim 5, further comprising:
in the transparent transmission mode, the playing terminal receives a volume control key value sent by the set top box;
and the playing terminal controls the volume of the decoded audio signal according to the volume control key value.
7. The set top box is characterized by comprising an audio decoding capability acquisition module, a judgment module, a switching module and a transparent transmission module, wherein:
the audio decoding capability acquisition module is used for acquiring the audio decoding capability of the playing terminal;
the judging module is used for judging whether the audio decoding capability of the playing terminal is better than that of the set-top box;
the switching module is used for switching to a transparent transmission mode under the condition that the audio decoding capability of the playing terminal is superior to that of the set-top box according to the judgment result of the judging module;
the transparent transmission module is used for transmitting the audio signal to the playing terminal under the condition that the switching module is switched to the transparent transmission mode, and the playing terminal decodes the audio signal and plays the decoded audio signal;
wherein, the set-top box further comprises a non-transparent transmission module, wherein:
the switching module is also used for switching to a non-transparent transmission mode under the condition that the audio decoding capability of the playing terminal is lower than that of the set-top box according to the judgment result of the judgment module;
and the non-transparent transmission module is used for decoding the audio signal under the condition that the switching module is switched to the non-transparent transmission mode, and sending the decoded audio signal to the playing terminal for playing.
8. The set top box of claim 7, further comprising a key information receiving module, a key value conversion module, and a volume control module, wherein:
the key information receiving module is used for receiving volume key information input by a user in a transparent transmission mode;
the key value conversion module is used for converting the volume key information received by the key information receiving module into a corresponding volume control key value;
and the volume control module is used for controlling the volume signal in the audio signal transmitted to the playing terminal through the volume control key value.
9. The set-top box according to claim 7 or 8,
the transparent transmission module is used for transmitting 60% of the initial volume of the audio signal to the playing terminal under the condition of switching to the transparent transmission mode.
10. The set-top box according to claim 7 or 8,
the non-transparent transmission module is also used for transmitting the decoded audio and volume change signals to the playing terminal in a non-transparent transmission mode and controlling the volume played by the playing terminal.
11. A playing terminal is characterized by comprising an audio decoding capability sending module, an audio signal receiving module, a decoding module and a playing module, wherein:
the audio decoding capability sending module is used for sending the audio decoding capability of the playing terminal to the set-top box so that the set-top box can determine whether to transmit or not transmit the audio signal to the playing terminal according to the comparison between the audio decoding capability of the playing terminal and the audio decoding capability of the set-top box;
the audio signal receiving module is used for receiving the audio signal transmitted by the set top box;
the decoding module is used for decoding the audio signal transmitted through;
the playing module is used for playing the audio signal decoded by the decoding module;
the audio signal receiving module is further used for receiving the decoded audio signal sent by the set-top box in a non-transparent transmission mode, wherein the audio signal comprises an audio signal and an audio variable signal; and then, instructing the playing module to execute the operation of playing the decoded audio signal.
12. The cast terminal of claim 11, further comprising a transparent volume control module, wherein:
the transparent transmission volume control module is used for receiving a volume control key value sent by the set top box in a transparent transmission mode; and controlling the volume of the decoded audio signal according to the volume control key value.
13. An audio adaptive playing and control system, characterized in that it comprises a set-top box according to any one of claims 7-10 and a playing terminal according to claim 11 or 12.
14. The system of claim 13, further comprising a remote control, wherein:
the remote controller is used for inputting the volume information of the user to the set-top box; controlling the audio playing of the playing terminal through the control set-top box; and directly control other multiple cast terminals.
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| WO2020056710A1 (en) * | 2018-09-21 | 2020-03-26 | Technicolor (China) Technology Co., Ltd. | Method and device for configuring hdmi audio setting |
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| CN104053047B (en) * | 2014-06-24 | 2018-04-10 | 深圳市九洲电器有限公司 | A kind of audio output adjusting apparatus and method of adjustment |
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