CN106792370B - Volume control method and device - Google Patents
Volume control method and device Download PDFInfo
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- CN106792370B CN106792370B CN201710090633.XA CN201710090633A CN106792370B CN 106792370 B CN106792370 B CN 106792370B CN 201710090633 A CN201710090633 A CN 201710090633A CN 106792370 B CN106792370 B CN 106792370B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
Abstract
The embodiment of the invention discloses a volume control method and a device, wherein the method comprises the following steps: when detecting that a sound source channel changes from a first sound source channel to a second sound source channel, reading a volume parameter corresponding to the second sound source channel, wherein the first sound source channel corresponds to a first volume parameter, and the second sound source channel corresponds to a second volume parameter; loading the second volume parameter to a preset cache region; and controlling sound output equipment to play sound source data received from the second sound source channel according to the second volume parameter. The sound source data volume in each sound source channel is independently controlled, and the problem of large volume change during switching of the sound source channels is solved.
Description
Technical Field
The invention relates to the technical field of multimedia, in particular to a volume control method and device.
Background
The audio and video devices of modern families are gradually increased, the use of the audio and video devices relates to the control of the volume of the audio and video devices, and in some intelligent family control systems, the prior art is to centralize the control of all the audio and video devices for centralized control. The plurality of audio and video devices share one control device, and the volume control keys on the control device are combined with the volume adjusting keys of the audio and video devices to control the corresponding audio and video devices. In the prior art, a plurality of audio and video devices adopt the same set of volume parameters, and when a system is switched among different devices, the volume change is large due to different signal amplitudes output by different devices, so that a user feels very poor when the devices are switched.
Disclosure of Invention
In view of this, embodiments of the present invention provide a volume control method and apparatus, so as to implement individual control of the volume of sound source data in each sound source channel, and solve the problem of large volume change when switching sound source channels.
In a first aspect, an embodiment of the present invention provides a volume control method, where the method includes: when detecting that a sound source channel changes from a first sound source channel to a second sound source channel, reading a volume parameter corresponding to the second sound source channel, wherein the first sound source channel corresponds to a first volume parameter, and the second sound source channel corresponds to a second volume parameter; loading the second volume parameter to a preset cache region; and controlling sound output equipment to play sound source data received from the second sound source channel according to the second volume parameter.
Further, before the step of reading the volume parameter corresponding to the second sound source channel when the sound source channel is detected to change from the first sound source channel to the second sound source channel, the method further includes: pre-storing volume parameters of each sound source channel in a set storage space; when the sound source channel is detected to change from the first sound source channel to the second sound source channel, reading the volume parameter corresponding to the second sound source channel, specifically: and when the sound source channel is detected to be changed from the first sound source channel to the second sound source channel, reading a second volume parameter corresponding to the second sound source channel from the storage space.
Further, the method further comprises: and when a volume adjusting instruction is detected, updating the volume parameter corresponding to the current sound source channel in the storage space according to the volume adjusting instruction.
Further, when the sound source channel is detected to change from the first sound source channel to the second sound source channel, reading a volume parameter corresponding to the second sound source channel, including: when detecting that a sound source channel is accessed during startup, taking the sound source channel accessed before the previous shutdown as a first sound source channel, and reading a first volume parameter corresponding to the first sound source channel; and when a sound source switching instruction is detected, reading a second volume parameter corresponding to a second sound source channel determined according to the sound source switching instruction.
Further, the audio source channel comprises a set top box interface, a high definition multimedia interface, a universal serial bus and a compact disc player interface.
In a second aspect, an embodiment of the present invention provides a volume control apparatus, where the apparatus includes: when detecting that a sound source channel changes from a first sound source channel to a second sound source channel, reading a volume parameter corresponding to the second sound source channel, wherein the first sound source channel corresponds to a first volume parameter, and the second sound source channel corresponds to a second volume parameter; the loading unit is used for loading the second volume parameter to a preset cache region; and the playing unit is used for controlling sound output equipment to play the sound source data received from the second sound source channel according to the second volume parameter.
Further, the apparatus further comprises: the storage unit is used for pre-storing the volume parameters of each sound source channel in a set storage space before reading the volume parameters corresponding to the second sound source channel when the sound source channel is detected to change from the first sound source channel to the second sound source channel; the reading unit is specifically configured to: and when the sound source channel is detected to be changed from the first sound source channel to the second sound source channel, reading a second volume parameter corresponding to the second target sound source channel from the storage space.
Further, the apparatus further comprises: and the updating unit is used for updating the volume parameter corresponding to the current sound source channel in the storage space according to the volume adjusting instruction when the volume adjusting instruction is detected.
Further, the reading unit is further configured to: when detecting that a sound source channel is accessed during startup, taking the sound source channel accessed before previous shutdown as a first volume parameter corresponding to the first sound source channel; and when a sound source switching instruction is detected, reading a second volume parameter corresponding to a second sound source channel determined according to the sound source switching instruction.
Further, the audio source channel comprises a set top box interface, a high definition multimedia interface, a universal serial bus and a compact disc player interface.
In the embodiment of the invention, the sound output equipment is controlled to play the sound source data received from the second sound source channel according to the second volume parameter by reading the second volume parameter corresponding to the second sound source channel after the sound source channel is changed and loading the second volume parameter to the preset buffer area. The sound source data volume in each sound source channel is independently controlled, and the problem of large volume change during switching of the sound source channels is solved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a flow chart of a volume control method according to a first embodiment of the present invention;
fig. 2 is a flowchart of a volume control method according to a second embodiment of the present invention;
fig. 3 is a flowchart of a volume control method according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a volume control device in a fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of a volume control method according to an embodiment of the present invention. The method is suitable for controlling the volume, and the method can be executed by a device with volume control function, and the device can be realized by software and/or hardware. The method specifically comprises the following steps:
s110, when the sound source channel is detected to change from a first sound source channel to a second sound source channel, reading a volume parameter corresponding to the second sound source channel, wherein the first sound source channel corresponds to the first volume parameter, and the second sound source channel corresponds to the second volume parameter.
Specifically, in the process of watching or listening to the multimedia data, the user can switch the multimedia data being played according to the quality and the preference of the multimedia data, and select the multimedia data with better quality or the multimedia data which the user is interested in to play. Alternatively, the multimedia data may be data with sound such as television, movie, and music. The sound of multimedia data is output through the sound source channel, each sound source channel corresponds a sound output device, when detecting that the sound source channel changes, when changing from first sound source channel to second sound source channel, read the volume parameter that the second sound source channel corresponds after changing, exemplarily, regard the second sound source channel as the target sound source channel, the volume parameter that the second sound source channel corresponds is the volume parameter that the target sound source channel corresponds promptly, wherein, first sound source channel corresponds with first parameter, the second sound source channel corresponds with the second parameter. It should be noted that, the first audio source channel and the second audio source channel are used for illustration, but it is only intended to indicate a conversion relationship of the audio source channels, the first audio source channel is converted to the second audio source channel, and the number of the audio source channels and the number of the volume parameters are not limited, the number of the audio source channels is at least two, each audio source channel corresponds to one volume parameter, and the number of the corresponding volume parameters is at least two.
Optionally, the audio source channel includes a set top box interface, a high definition multimedia interface, a universal serial bus, and a compact disc player interface.
The set-top box, also called a digital video conversion box, is a device connecting a television and an external signal source, and can convert a compressed digital signal into television content and display the television content on the television; a High Definition Multimedia Interface (HDMI) is a digital audio/video Interface technology, and is a special digital Interface for transmitting video signals, which can simultaneously transmit audio signals and video signals; universal serial bus, a serial bus standard for connecting external devices, is widely used on computers, but can also be used on set-top boxes and game machines, and the supplementary standard of the universal serial bus enables the universal serial bus to be used for directly exchanging data between portable devices; optical discs, which are short for optical disc storage, are commonly used to play movies of standard television set definition and high-quality music, and can also store data in large capacity. The audio source channel comprises a set top box interface, a high definition multimedia interface, a universal serial bus and a compact disc player interface. The system is connected with each audio and video device through each interface, and optionally, each audio and video device can be a sound output device.
And S120, loading the second volume parameter to a preset buffer area.
Specifically, the system includes a preset buffer, which is a buffer for data exchange, and when a certain hardware needs to read data, the required data is first searched from the buffer. Since cache usually uses volatile storage that is immediately discarded after power-off, the cache area functions only as temporary storage, and after the use of the content is completed, the content is transferred to a memory such as a hard disk and permanently stored. The preset buffer area is preset by the system to store the volume parameter. Optionally, the second volume parameter is loaded to a preset buffer area as a target sound source parameter, wherein only the volume parameter of the second sound source channel is loaded, and the volume parameters of other sound source channels are not processed.
And S130, controlling sound output equipment to play sound source data received from the second sound source channel according to the second volume parameter.
Specifically, the sound output device receives sound source data from the second sound source channel, where the sound source data may be data corresponding to sound source information in the multimedia data, and optionally, the sound source data includes: audio source information in movies, television, drama, and music. And controlling the sound output equipment to play the sound source data of the second sound source channel according to the setting of the volume parameter.
In the embodiment of the invention, the volume parameter corresponding to the second sound source channel after the sound source channel is changed is read, the second volume parameter is loaded to the preset cache region, and the sound output equipment is controlled to play the sound source data received from the second sound source channel according to the volume parameter. The problem of the volume change greatly when the channel is switched is solved, and the independent control of each sound source channel on the volume in the sound source data of the channel is realized.
Example two
Fig. 2 is a flowchart of a volume control method according to a second embodiment of the present invention. On the basis of the foregoing embodiment, before the detecting that the audio channel changes from the first audio channel to the second audio channel, and reading a volume parameter corresponding to the second audio channel, the method further includes: pre-storing volume parameters of each sound source channel in a set storage space; and optimizing the reading of the volume parameter corresponding to the second sound source channel when the sound source channel is detected to be changed from the first sound source channel to the second sound source channel. The method specifically comprises the following steps:
s210, pre-storing the volume parameters of each sound source channel in the set storage space.
Specifically, a part of the storage space in the system storage space is set, and the set storage space is specially used for prestoring the volume parameters of each sound source channel. Optionally, the setting manner may be to perform operations such as marking or renaming on the set storage space, for example, the set storage space is renamed to a volume parameter storage space (i), a volume parameter storage space (ii), a volume parameter storage space (iii) …, and the like. The sound source channels are numbered sequentially, and the sequence is as follows: the sound source channels comprise a sound source channel 1, a sound source channel 2, a sound source channel 3, …, a sound source channel n and the like, wherein n represents the number of the sound source channels, and each parameter storage space prestores the volume parameters of the sound source channels with corresponding numbers. Optionally, after the sound source parameters of each channel are prestored in the set storage space, the volume parameters cannot be adjusted, authorization needs to be performed before adjustment, and the volume parameters are adjusted after the adjustment authority is obtained. Each adjustment of the sound requires first an adjustment of the volume parameter.
S220, when the sound source channel is detected to be changed from the first sound source channel to the second sound source channel, the volume parameter corresponding to the second sound source channel is read from the storage space.
Specifically, in the process of watching multimedia data by a user, the sound source channel is changed according to personal requirements. And when the sound source channel is detected to be changed, reading the volume parameter corresponding to the second sound source channel from the storage space corresponding to the changed second sound source channel. Illustratively, when the sound source channel changes, the second sound source channel is the sound source channel 3, and the volume parameter of the sound source channel 3 is read from the volume parameter storage space.
And S230, loading the second volume parameter to a preset buffer area.
And S240, controlling sound output equipment to play sound source data received from the second sound source channel according to the second volume parameter.
In the embodiment of the invention, the volume parameters of each sound source channel are stored in the corresponding preset storage space, and when the change of the sound source channel is detected, the changed volume parameters corresponding to the second sound source channel are read from the storage space, so that the volume parameters of each sound source channel are independently stored and read, and the volume is independently controlled.
On the basis of the foregoing technical solution, optionally, the volume control method in this embodiment further includes: and when a volume adjusting instruction is detected, updating the volume parameter corresponding to the current sound source channel in the storage space according to the volume adjusting instruction.
In the process that a user watches multimedia data, volume adjustment is carried out according to personal requirements, and a volume adjustment instruction is sent out through a volume adjustment button. The volume can be adjusted according to personal requirements, namely the volume needs to be reduced when people sleep around the sound output device; if the surrounding environment is noisy, the volume needs to be increased. And receiving a volume adjusting instruction of a user, and updating the volume parameter corresponding to the current sound source channel in the storage space according to the volume adjusting instruction. The volume parameters of the corresponding channels can be adjusted in real time by the user according to the volume adjusting instructions.
EXAMPLE III
Fig. 3 is a flowchart of a volume control method according to a third embodiment of the present invention. The present embodiment is optimized on the basis of the above embodiment, and the optimization of "reading the volume parameter corresponding to the second sound source channel when the sound source channel is detected to change from the first sound source channel to the second sound source channel" specifically includes the following steps:
s310, when detecting that a sound source channel is accessed during startup, taking the sound source channel accessed before the previous shutdown as a first sound source channel, and reading a first volume parameter corresponding to the first sound source channel.
Specifically, each time the system is turned off, the volume parameter setting of the current sound source channel is kept in the system. When the system is started next time, the state that the sound source channel is accessed is detected, the accessed sound source channel is the sound source channel accessed before the previous power-off, the sound source channel accessed before the previous power-off is used as the first sound source channel, and the volume parameter corresponding to the first sound source channel is read. Optionally, if the optical disc player is powered off at a certain time, the accessed sound source channel is an interface of the optical disc player, and the volume parameter of the sound source channel before the power off is recorded as the volume parameter of the interface of the optical disc player. When the optical disk player is started again, the volume parameter corresponding to the interface of the optical disk player is read when the accessed sound source channel is detected to be still the interface of the optical disk player.
And S320, when the sound source switching instruction is detected, reading a second volume parameter corresponding to a second sound source channel determined according to the sound source switching instruction.
Specifically, the sound source switching instruction is an instruction for controlling switching from one sound source channel to another sound source switching channel, and in this embodiment, the instruction is an instruction for switching from a first sound source channel to a second sound source channel. And when the sound source switching instruction is detected, reading a second volume parameter corresponding to a second sound source channel determined by the sound source switching instruction. Optionally, if the current sound source channel is the set-top box interface and the sound source switching instruction is to switch from the current sound source channel interface to the universal serial bus interface, the volume parameter of the universal serial bus interface is read according to the sound source switching instruction.
S330, loading the second volume parameter to a preset buffer area.
And S340, controlling sound output equipment to play the sound source data received from the target sound source channel according to the second volume parameter.
In the embodiment of the invention, the sound source channel accessed during startup is detected, the volume parameter corresponding to the sound source channel accessed before the previous startup is read, and the volume parameter of the second sound source channel determined according to the sound source switching instruction is read. The processing of the sound source channel parameters and the reading of the volume parameters of the second sound source channel are realized when the computer is just started.
Example four
Fig. 4 is a schematic structural diagram of a volume control device according to a fourth embodiment of the present invention. The apparatus is suitable for executing a volume control method provided in the first to third embodiments of the present invention, and the apparatus specifically includes:
a reading unit 410, configured to read a volume parameter corresponding to a second sound source channel when the sound source channel is detected to change from a first sound source channel to the second sound source channel, where the first sound source channel corresponds to a first volume parameter, and the second sound source channel corresponds to a second volume parameter;
a loading unit 420, configured to load the second volume parameter into a preset buffer area;
the playing unit 430 is configured to control the sound output device to play the sound source data received from the second sound source channel according to the second volume parameter.
Further, the apparatus further comprises:
the storage unit is used for pre-storing the volume parameters of each sound source channel in a set storage space before reading the volume parameters corresponding to the second sound source channel when the sound source channel is detected to change from the first sound source channel to the second sound source channel;
the reading unit 410 is specifically configured to:
and when the sound source channel is detected to be changed from the first sound source channel to the second sound source channel, reading a second volume parameter corresponding to the second sound source channel from the storage space.
Further, the apparatus further comprises:
and the updating unit is used for updating the volume parameter corresponding to the current sound source channel in the storage space according to the volume adjusting instruction when the volume adjusting instruction is detected.
Further, the reading unit 410 is further configured to:
when detecting that a sound source channel is accessed during startup, taking the sound source channel accessed before the previous shutdown as a first sound source channel, and reading a first volume parameter corresponding to the first sound source channel;
and when a sound source switching instruction is detected, reading a second volume parameter corresponding to a second sound source channel determined according to the sound source switching instruction.
Further, the audio source channel comprises a set top box interface, a high definition multimedia interface, a universal serial bus and a compact disc player interface.
The volume control device provided by the embodiment of the invention can execute the volume control method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
Those skilled in the art will appreciate that all or part of the steps in the method for implementing the above embodiments may be implemented by a program instructing the relevant hardware. The program may be stored in a computer-readable storage medium. Which when executed comprises the steps of the method described above. The storage medium includes: ROM/RAM, magnetic disk, optical disk, etc.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (8)
1. A method of volume control, comprising:
when detecting that a sound source channel changes from a first sound source channel to a second sound source channel, reading a volume parameter corresponding to the second sound source channel, wherein the first sound source channel corresponds to a first volume parameter, and the second sound source channel corresponds to a second volume parameter;
loading the second volume parameter to a preset cache region;
controlling sound output equipment to play sound source data received from the second sound source channel according to the second volume parameter;
before reading a volume parameter corresponding to a second audio source channel when the audio source channel is detected to change from a first audio source channel to the second audio source channel, the method further includes:
pre-storing volume parameters of each sound source channel in a set storage space;
the preset storage space is specially used for prestoring volume parameters of each sound source channel, the preset storage space is renamed into volume parameter storage spaces, and each parameter storage space prestores volume parameters of the sound source channel with corresponding numbers;
the sound source channels comprise a set top box interface, a high-definition multimedia interface, a universal serial bus and a compact disc player interface, and each sound source channel corresponds to one sound output device.
2. The method of claim 1,
when the sound source channel is detected to change from the first sound source channel to the second sound source channel, reading the volume parameter corresponding to the second sound source channel, specifically:
and when the sound source channel is detected to be changed from the first sound source channel to the second sound source channel, reading a second volume parameter corresponding to the second sound source channel from the storage space.
3. The method of claim 2, further comprising:
and when a volume adjusting instruction is detected, updating the volume parameter corresponding to the current sound source channel in the storage space according to the volume adjusting instruction.
4. The method of claim 1, wherein reading the volume parameter corresponding to a second audio channel when detecting that the audio channel changes from a first audio channel to the second audio channel comprises:
when detecting that a sound source channel is accessed during startup, taking the sound source channel accessed before the previous shutdown as a first sound source channel, and reading a first volume parameter corresponding to the first sound source channel;
and when a sound source switching instruction is detected, reading a second volume parameter corresponding to a second sound source channel determined according to the sound source switching instruction.
5. A volume control device, comprising:
the device comprises a reading unit, a processing unit and a processing unit, wherein the reading unit is used for reading a volume parameter corresponding to a second sound source channel when the sound source channel is detected to change from a first sound source channel to the second sound source channel, the first sound source channel corresponds to a first volume parameter, and the second sound source channel corresponds to a second volume parameter;
the loading unit is used for loading the second volume parameter to a preset cache region;
the playing unit is used for controlling sound output equipment to play the sound source data received from the second sound source channel according to the second volume parameter;
the storage unit is used for pre-storing the volume parameters of each sound source channel in a set storage space before reading the volume parameters corresponding to the second sound source channel when the sound source channel is detected to change from the first sound source channel to the second sound source channel;
the preset storage space is specially used for prestoring volume parameters of each sound source channel, the preset storage space is renamed into volume parameter storage spaces, and each parameter storage space prestores volume parameters of the sound source channel with corresponding numbers;
the sound source channels comprise a set top box interface, a high-definition multimedia interface, a universal serial bus and a compact disc player interface, and each sound source channel corresponds to one sound output device.
6. The apparatus of claim 5, further comprising:
the reading unit is specifically configured to:
and when the sound source channel is detected to be changed from the first sound source channel to the second sound source channel, reading a second volume parameter corresponding to the second sound source channel from the storage space.
7. The apparatus of claim 6, further comprising:
and the updating unit is used for updating the volume parameter corresponding to the current sound source channel in the storage space according to the volume adjusting instruction when the volume adjusting instruction is detected.
8. The apparatus of claim 5, wherein the reading unit is further configured to:
when detecting that a sound source channel is accessed during startup, taking the sound source channel accessed before the previous shutdown as a first sound source channel, and reading a first volume parameter corresponding to the first sound source channel;
and when a sound source switching instruction is detected, reading a second volume parameter corresponding to a second sound source channel determined according to the sound source switching instruction.
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| CN107318068B (en) * | 2017-07-05 | 2020-12-22 | 广州视源电子科技股份有限公司 | Audio output method, device, equipment and storage medium |
| CN114138225A (en) * | 2021-11-03 | 2022-03-04 | 东风汽车集团股份有限公司 | Vehicle-mounted entertainment system volume self-adaption method |
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