CN108419182A - A kind of effect device and adjustment method - Google Patents
A kind of effect device and adjustment method Download PDFInfo
- Publication number
- CN108419182A CN108419182A CN201810209817.8A CN201810209817A CN108419182A CN 108419182 A CN108419182 A CN 108419182A CN 201810209817 A CN201810209817 A CN 201810209817A CN 108419182 A CN108419182 A CN 108419182A
- Authority
- CN
- China
- Prior art keywords
- effect device
- interface
- channel
- debugging
- adjustment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
A kind of effect device of present invention offer and adjustment method, including signal input interface and codec, after different types of audio signal or vision signal being inputted by signal input interface, since codec has integrated audio-frequency signal coding, decoding function, and vision signal coding, decoding function, and processing to different type audio signal and vision signal may be implemented, and then have both the function to HD audio decoders, SD audio decoders and 3D video playings.And digital processing is carried out to the audio signal by DSP treatment technologies, system noise can be reduced.
Description
Technical field
The invention belongs to multimedia technology field more particularly to a kind of effect device and adjustment methods.
Background technology
The effect device used in existing movie theatre, it is single to audio, the processing function of vision signal, cannot have both to it is a variety of not
Same type audio, the processing function of vision signal, and then cannot meet the needs of users.
Invention content
In view of this, the purpose of the present invention is to provide a kind of effect device and adjustment method, to solve in the prior art
Effect device is single to the processing function of signal, cannot meet the problem of user demand.
Technical solution is as follows：
The present invention provides a kind of effect device, including：
Signal input interface is used for input audio signal and vision signal；
Codec, for being encoded to audio signal and vision signal, decoding process, with realize HD audio decoders,
SD audio decoders and 3D video playings；
Wherein, digital processing is carried out to the audio signal using DSP treatment technologies.
Preferably, further include：
Network-control port, for connecting digital cinema theatre management system TMS.
Preferably, further include：
Debugging apparatus, for providing Debugging interface, to be debugged to the effect device.
Preferably, the debugging apparatus further includes：
Storage device and encryption device,
The storage device, for storing tune-up data；
The encryption device, for the tune-up data encipherment protection to being stored in the storage device.
Preferably, further include：
Serial line interface and USB interface, wherein serial line interface includes RS232 interface and RS485 interfaces.
The present invention also provides a kind of adjustment methods, including：
Select channel to be tested；
In the debugging region for showing the channel to be tested, the value of the adjustment parameter in the channel to be tested is adjusted.
Preferably, the value of the adjustment parameter in the adjustment channel to be tested includes：
According to the regulating effect corresponding with the adjustment parameter shown on adjustment interface, the adjustment parameter is adjusted
Value.
Preferably, described in the debugging region for showing the channel to be tested, adjust the tune in the channel to be tested
After the value for saving parameter, further include：
Store the value of the adjustment parameter.
Preferably, before the selection channel to be tested, further include：
Read the value of the adjustment parameter of the effect device.
Preferably, the adjustment parameter includes：
Input setting, room setting, frequency dividing setting, output equipment and system setting.
Compared with prior art, above-mentioned technical proposal provided by the invention has the following advantages that：
From above-mentioned technical proposal it is found that effect device includes signal input interface and codec in the application, pass through signal
After input interface inputs different types of audio signal or vision signal, since codec has integrated audio-frequency signal coding, solution
Code function and vision signal coding, decoding function, and the place to different type audio signal and vision signal may be implemented
Reason, and then have both the function to HD audio decoders, SD audio decoders and 3D video playings.And by DSP treatment technologies to described
Audio signal carries out digital processing, can reduce system noise.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of effect device provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of the main interface of effect device Debugging interface provided in an embodiment of the present invention；
Fig. 3 is a kind of flow chart of adjustment method provided in an embodiment of the present invention；
Fig. 4 is the signal of Debugging interface corresponding with input setting in effect device Debugging interface provided in an embodiment of the present invention
Figure；
Fig. 5 is the signal of corresponding Debugging interface balanced with room in effect device Debugging interface provided in an embodiment of the present invention
Figure；
Fig. 6 is the signal of Debugging interface corresponding with frequency dividing setting in effect device Debugging interface provided in an embodiment of the present invention
Figure；
Fig. 7 is the signal of Debugging interface corresponding with output setting in effect device Debugging interface provided in an embodiment of the present invention
Figure；
Fig. 8 is the signal that corresponding Debugging interface is arranged in effect device Debugging interface provided in an embodiment of the present invention with system
Figure.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Present embodiment discloses a kind of effect device, the effect device can be applied in movie theatre, and be connect with power amplifier.It is described
The structural schematic diagram of effect device is refering to Figure 1, effect device includes in the present embodiment：
Signal input interface 101 and codec 102；
Signal input interface 101 is used for input audio signal and vision signal；
Specifically, signal input interface includes：Analog audio input interface and digital audio input interface.In practical application
In, analog audio input interface is that 25 needle D patterns intend audio input interface, for inputting analog audio signal；Digital audio is defeated
Incoming interface is 6 railway digital audio input interfaces, for inputting 0.8K, 1.3K and 2K digital audio and video signals respectively.
Signal input interface also provides for the input of the coaxial digital audio and video signals all the way of optical fiber all the way in the present embodiment.
Wherein, analog audio signal input and digital audio and video signals input are all made of ground wire isolation input technology, to reduce
System work noise reduces the requirement of the site surrounding to the application effect device.
Codec 102, for being encoded to audio signal and vision signal, decoding process, to realize HD audio solutions
Code, SD audio decoders and 3D video playings；
Wherein, digital processing is carried out to audio signal using DSP treatment technologies.
Codec can decode 0.8K, 1.3K and 2K film source in the present embodiment, can realize that HD audio decoders, 3D videos are broadcast
It puts and SD audio decoders.
Since digital movie is 2K in most domestic movie theatre, resolution ratio is 2048 × 1080, also part number electricity
Shadow is 1.3K, and resolution ratio is 1280 × 1024, and rural area film is 0.8K, and resolution ratio is 1024 × 768.Therefore, this reality
Applying example, to include the effect device of the codec can meet the needs of medium and small movie theatre and rural area film.
The codec integrates audio decoder and Video Decoder, compared to the prior art sound intermediate frequency solution
Code device and Video Decoder, audio coder and video encoder independently exist, and lead to the problem that occupied space is big, this reality
It applies codec described in example to occupy little space, further simplifies the structure of effect device.And the codec is easily installed,
Surface mount is only needed, supports HDMI and DVI interface.
Effect device carries out digital processing using DSP treatment technologies to the audio signal in the present embodiment.It is specific to use height
Fast dsp chip, 96KHz sample rates, 24bit high-performance low-noises A/D, D/A conversion, to realize the processing to audio signal.
By carrying out digital processing to audio signal in this present embodiment, therefore reduce noise.
In other embodiments, the effect device further includes：
Network-control port 103 manages system Theatre ManagementSystem for connecting digital cinema theatre,
TMS。
TMS is the core of movie theatre management, it directly controls all digital movies of movie theatre by control protocol and plays clothes
Business device realizes automatically controlling for the functions such as Content Management, key management, the projection control of digital movie play server.Number
The appearance of word cinema management system solves the problems, such as cineplex's centralized management.
The TMS used in movie theatre is connected by network with the digital broadcast server of movie theatre.Digital broadcast server
It is connected with theatre network, the information such as content and its mandate, playlist can be sent to digital movie and play clothes by TMS servers
The information such as state, daily record can also be returned to TMS servers by business device, digital movie play server.
The effect device realizes the connection with TMS systems by network-control port 103, wherein network-control port 103
For the TCP/IP network-controls port of 100M, it can realize that quickly connection TMS systems, data transmission bauds are not only quickly but also steady
It is fixed.
In other embodiments, the effect device further includes：
Debugging apparatus 104, for providing Debugging interface, to be debugged to the effect device.
Wherein, commissioning content includes：8 sound channel independence two divided-frequencies lead directly to two kinds of dividing states operating modes；8 29 sections of sound channels
Figure weighing apparatus；The independent high pitch of 8 sound channels, bass delays time to control and circular delays time to control；Sound box parameter is default；Point of main loudspeaker
Frequently, balanced, gain-adjusted；And the concentration debugging of the sound reproducing equipment of multiple movie theatre Playing Offices is managed with control.
The Debugging interface provided by the effect device, the debugging of realization that can be convenient and simple to effect device.
Wherein, debugging apparatus 104 further includes：
Storage device and encryption device,
The storage device, for storing tune-up data；
The encryption device, for the tune-up data encipherment protection to being stored in the storage device.
If desired the content debugged is more, after a content is adjusted during debugging efforts, can directly by with this
The parameter value of the corresponding adjusting parameter of content, is preserved using storage device, to meet the needs of calling at any time.It can certainly adjust
After whole good full content, once the parameter value of the corresponding adjusting parameter of full content is preserved using storage device.
The parameter value of every adjusting parameter after the adjustment preserved to storage device by encryption device, is encrypted place
Reason, to improve the safety of data.
In other embodiments, the effect device further includes：
Serial line interface and USB interface, wherein serial line interface includes RS232 interface and RS485 interfaces.
It is realized by serial line interface and USB interface and is connect with different types of external equipment, to realize different control.Example
Such as, center control is realized by RS232 interface, free drive control is realized by USB interface, long-range control is realized by RS485 interfaces
System.It is, of course, also possible to realize remote control by network-control port 103.
To sum up, effect device disclosed in the present embodiment, including signal input interface and codec, pass through signal input interface
After inputting different types of audio signal or vision signal, since codec has integrated audio-frequency signal coding, decoding function, with
And vision signal coding, decoding function, and the processing to different type audio signal and vision signal may be implemented, and then have both
To the function of HD audio decoders, SD audio decoders and 3D video playings.And the audio signal is carried out by DSP treatment technologies
Digital processing can reduce system noise.
Meanwhile the effect device further includes：Network-control port realizes and is broadcast to each movie theatre to be connect with TMS systems
Put the centralized management in the Room.
The effect device further includes：Debugging apparatus can provide Debugging interface by debugging apparatus, easily realize tune
Trial work is made.
The debugging apparatus includes storage device and encryption device, and tune-up data can be preserved in debugging process, and
Tune-up data encryption to storage, to improve the safety of data.
The effect device further includes a plurality of types of interfaces, such as serial line interface and USB interface, wherein serial line interface includes
RS232 interface and RS485 interfaces.Multiple control modes can be provided, it is user-friendly.
The invention also discloses a kind of adjustment method, applies and on effect device, pass through the effect disclosed in above-described embodiment
The Debugging interface that fruit device provides completes debugging efforts, and the main interface of Debugging interface is shown refering to Fig. 2.
Complicated various parameters setting and management function have been divided into 3 regions and shown by this effect device debugging software
Show.
Region " 1 " is management and is passed directly to switching push button region, by the management function and channel handoff functionality when debugging
It is listed in interface the top, is separated with parameter regulation region, it is simple and clear convenient for management, facilitate switching.
The parameter value currently adjusted can be easily stored in this area, and reads and preserve parameter value from equipment,
Avoid repetitive operation, the parameter value of reading also can intuitively check there are the problem of.It is realized by clicking directly on channel button
Switching channel is tested.
Region " 2 " is debugging region, is divided into：Input setting, room equalization setting, frequency dividing setting, output setting, and be
System setting.
Total volume is adjusted using sliding block in region " 3 ", and the Chinese and English of silent mode and Debugging interface can be set
Switching.
As shown in fig.3, the adjustment method includes the following steps：
S201, selection channel to be tested；
Shown in region 1 referring to 2 Debugging interface of attached drawing, channel to be tested shares 7, respectively 4 digital signal channels,
2 analog signal channels and 1 microphone input channel.
Wherein, 4 digital signal channels are respectively：1 channel 4 × AES, 2 coaxial channels and an optical-fibre channel.
2 analog signal channels are respectively：1 analog input channel and 1 asynchronous analog input channel.
Channel to be tested is selected in 7 channels shown in the region of Debugging interface 1.
S202, in the debugging region for showing the channel to be tested, adjust the adjustment parameter in the channel to be tested
Value.
Shown in region 2 referring to 2 Debugging interface of attached drawing, adjustment parameter includes：
Input setting, room setting, frequency dividing setting, output equipment and system setting.
When being debugged for any one channel to be tested, it is required for adjusting separately input setting, room setting, frequency dividing
This 5 adjustment parameters are arranged in setting, output equipment and system.Wherein, different adjustment parameters specifically needs the content adjusted to be
Different.The debugging process of each adjustment parameter is described in detail below：
One, input setting
It show input refering to Fig. 4 and corresponding Debugging interface is set.
The volume of input is adjusted in input setting with intuitive sliding block, is set in switch and surround sound.
The corresponding adjusting in 7 channels is shown simultaneously in Debugging interface corresponding with input setting in the present embodiment
Content, but it is understood that, after having selected channel to be tested, and the input setting for treating TCH test channel is debugged
When, it can only show the corresponding adjusting content in the channel to be tested of selection in Debugging interface corresponding with input setting.
Two, room is balanced
It show the balanced corresponding Debugging interface in room refering to Fig. 5.
The balanced corresponding Debugging interface in room includes debugging channel selecting region, parameter adjustment region and debugging effect
Display area is adjusted in parameter adjustment region using sliding block behind the selection debugging channel in debugging channel selecting region
Parameter value intuitively understands the effect currently adjusted by the debugging effect shown in debugging effect display area.So as to according to tune
The regulating effect corresponding with adjustment parameter shown on whole interface, adjusts the parameter value of the adjustment parameter.
Specifically, if in debugging effect display area show debugging effect and fall flat, can be again
Using sliding block adjustment parameter value, until debugging effect achieves the desired results.
Wherein, debugging channel include L channel, middle sound channel, right channel, it is left around sound channel, right surround sound channel, left back surround
Around sound channel and infra-low frequency sound channel behind sound channel, the right side.By the adjustment of 8 sound channel, 29 sections of figure weighing apparatuses, architectural acoustics can be easily compensated
Defect.
It is additionally provided with straight button in the balanced corresponding Debugging interface in room, can restore to give tacit consent to after pressing straight button
Value.Without operating each sliding block one by one, so that it may whole parameter values be restored default value to realize.
Three, frequency dividing setting
It show frequency dividing refering to Fig. 6 and corresponding Debugging interface is set.
The adjusting of height middle pitch can be directly carried out in frequency dividing setting equally in a manner of sliding block, subtlety uses drop-down
Menu, equally with intuitive chart vision-control effect.
Debugging by dividing setting may be implemented to the independent high pitch of 8 sound channels, bass delays time to control, around delay control
System.
Four, output setting
It show output refering to Fig. 7 and corresponding Debugging interface is set.
It is also adjusted using sliding block mode in output setting.For L channel, middle sound channel, right channel, a left side around sound channel, right ring
Around sound channel, left back circular sound channel, it is right after around sound channel and infra-low frequency sound channel this 8 sound channels, be respectively arranged with independent pink
Noise signal generator can open pink noise for each sound channel, and adjust each frequency range sound.
Meanwhile exporting in the adjustment interface of setting and also having around enhancing and loop test selection, facilitate debugging.
Five, system is arranged
It show system refering to Fig. 8 and corresponding Debugging interface is set.
Related movie theatre information where equipment can be filled in system setting, movie theater information, convenient follow-up centralized management.Also set
It is equipped with the IP address and communication serial port of effect device, to establish a connection with effect device in using effect device.
The adjustment method further includes in other embodiments：
After step S202, step S203 is executed；
The value of S203, the storage adjustment parameter.
In debugging process, a parameter value regulated is stored after adjusting what a parameter value.It is, of course, also possible to
After regulating whole parameter values, whole parameter values after stored adjustment is good.
The adjustment method further includes in other embodiments：
Before step S201, the step of executing the value for the adjustment parameter for reading the effect device.
By reading the parameter value of adapted good adjustment parameter, can be debugged to avoid repetition.
To sum up, it in adjustment method disclosed in the present embodiment, by providing Debugging interface, may be implemented to different TCH test channels
Different adjustment parameter parameter value adjusting, and can be by the debugging effect that is shown in adjustment interface, to adjustment parameter
Parameter value be adjusted.Realize the purpose for facilitating debugging.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.The device provided for embodiment
For, since it is corresponding with the method that embodiment provides, so description is fairly simple, related place is said referring to method part
It is bright.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment including a series of elements includes not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including institute
State in the process, method, article or equipment of element that there is also other identical elements.
The foregoing description of the disclosed embodiments enables those skilled in the art to realize or use the present invention.To this
A variety of modifications of a little embodiments will be apparent for a person skilled in the art, and the general principles defined herein can
Without departing from the spirit or scope of the present invention, to realize in other embodiments.Therefore, the present invention will not be limited
It is formed on the embodiments shown herein, and is to fit to consistent with the principles and novel features disclosed in this article widest
Range.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of effect device, which is characterized in that including：
Signal input interface is used for input audio signal and vision signal；
Codec, for being encoded to audio signal and vision signal, decoding process, to realize HD audio decoders, SD sounds
Frequency decoding and 3D video playings；
Wherein, digital processing is carried out to the audio signal using DSP treatment technologies.
2. effect device according to claim 1, which is characterized in that further include：
Network-control port, for connecting digital cinema theatre management system TMS.
3. effect device according to claim 1, which is characterized in that further include：
Debugging apparatus, for providing Debugging interface, to be debugged to the effect device.
4. effect device according to claim 3, which is characterized in that the debugging apparatus further includes：
Storage device and encryption device,
The storage device, for storing tune-up data；
The encryption device, for the tune-up data encipherment protection to being stored in the storage device.
5. effect device according to claim 1, which is characterized in that further include：
Serial line interface and USB interface, wherein serial line interface includes RS232 interface and RS485 interfaces.
6. a kind of adjustment method, which is characterized in that apply in debugging as described in any one of claim 1 to claim 5
Effect device on, including：
Select channel to be tested；
In the debugging region for showing the channel to be tested, the value of the adjustment parameter in the channel to be tested is adjusted.
7. adjustment method according to claim 6, which is characterized in that the adjustment parameter in the adjustment channel to be tested
Value include：
According to the regulating effect corresponding with the adjustment parameter shown on adjustment interface, the value of the adjustment parameter is adjusted.
8. the adjustment method described according to claim 6 or 7, which is characterized in that described to show the channel to be tested
It debugs in region, after the value for adjusting the adjustment parameter in the channel to be tested, further includes：
Store the value of the adjustment parameter.
9. the adjustment method described according to claim 6 or 7, which is characterized in that before the selection channel to be tested, also wrap
It includes：
Read the value of the adjustment parameter of the effect device.
10. the adjustment method described according to claim 6 or 7, which is characterized in that the adjustment parameter includes：
Input setting, room setting, frequency dividing setting, output equipment and system setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810209817.8A CN108419182A (en) | 2018-03-14 | 2018-03-14 | A kind of effect device and adjustment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810209817.8A CN108419182A (en) | 2018-03-14 | 2018-03-14 | A kind of effect device and adjustment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108419182A true CN108419182A (en) | 2018-08-17 |
Family
ID=63131329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810209817.8A Pending CN108419182A (en) | 2018-03-14 | 2018-03-14 | A kind of effect device and adjustment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108419182A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112055285A (en) * | 2020-09-16 | 2020-12-08 | 广州市锐舞灯光音响器材有限公司 | Multi-channel full-automatic decoding preamplifier |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661588A (en) * | 2004-07-30 | 2005-08-31 | 李雪超 | Digitized multimedia video/audio system |
| CN101174256A (en) * | 2007-11-01 | 2008-05-07 | 王文林 | Solid-state computer |
| CN101365115A (en) * | 2008-09-03 | 2009-02-11 | 华中科技大学 | Embedded real-time network video monitoring system |
| CN101404718A (en) * | 2008-11-10 | 2009-04-08 | 云南大学 | Modularized multifunctional embedded audio/video encoding/decoding device |
| US9538087B2 (en) * | 2014-02-19 | 2017-01-03 | Samsung Electronics Co., Ltd. | Image processing device with multiple image signal processors and image processing method |
| CN106292431A (en) * | 2016-08-17 | 2017-01-04 | 广州市迪声音响有限公司 | A kind of digital signal processing device and method |
-
2018
- 2018-03-14 CN CN201810209817.8A patent/CN108419182A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661588A (en) * | 2004-07-30 | 2005-08-31 | 李雪超 | Digitized multimedia video/audio system |
| CN101174256A (en) * | 2007-11-01 | 2008-05-07 | 王文林 | Solid-state computer |
| CN101365115A (en) * | 2008-09-03 | 2009-02-11 | 华中科技大学 | Embedded real-time network video monitoring system |
| CN101404718A (en) * | 2008-11-10 | 2009-04-08 | 云南大学 | Modularized multifunctional embedded audio/video encoding/decoding device |
| US9538087B2 (en) * | 2014-02-19 | 2017-01-03 | Samsung Electronics Co., Ltd. | Image processing device with multiple image signal processors and image processing method |
| CN106292431A (en) * | 2016-08-17 | 2017-01-04 | 广州市迪声音响有限公司 | A kind of digital signal processing device and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112055285A (en) * | 2020-09-16 | 2020-12-08 | 广州市锐舞灯光音响器材有限公司 | Multi-channel full-automatic decoding preamplifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6371416B2 (en) | Data processing apparatus and transport of user control data for audio decoder and renderer | |
| CN104091423B (en) | A kind of method for transmitting signals and family's order programme | |
| US20090187950A1 (en) | Audible menu system | |
| AU2019201701A1 (en) | Metadata for ducking control | |
| Füg et al. | Design, coding and processing of metadata for object-based interactive audio | |
| CN106140527B (en) | A kind of control method of music fountain tele-control system | |
| CN101131816B (en) | Audio file generation method, device and digital player | |
| KR20100095609A (en) | Method and apparatus for providing access to and control of multimedia content information across multimedia processing devices | |
| CN103037265A (en) | Method and system for first terminal to control second terminal and intelligent terminal | |
| JP6280215B2 (en) | Video conference terminal, secondary stream data access method, and computer storage medium | |
| CN101820520B (en) | Integrated digital TV capable of adjusting volume automatically and implementing method thereof | |
| JP2011518353A (en) | Audio signal processing method and apparatus | |
| JP6131053B2 (en) | Information playback terminal | |
| US9560389B2 (en) | Network-based content storage | |
| CN204906533U (en) | Video acquisition equipment | |
| CN102724522B (en) | Method and system for realizing 4D digital film based on DCI standard | |
| CN108419182A (en) | A kind of effect device and adjustment method | |
| Kuech et al. | Dynamic range and loudness control in MPEG-H 3D Audio | |
| CN101458951A (en) | Video and audio program signal processing system having multiple functions | |
| CN101959034A (en) | Method for switching theme mode in digital television and digital television system | |
| CA3200632A1 (en) | Audio encoding and decoding method and apparatus | |
| CN115550705A (en) | Audio playing method and device | |
| CN109818979A (en) | A kind of method, apparatus that realizing audio return, equipment and storage medium | |
| TWI631853B (en) | Audiovisual control apparatus, and associated method | |
| CN207443054U (en) | Big data television system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180817 |