CN109005452A - A kind of serial sound mixing method applied to Intelligent set top box - Google Patents
A kind of serial sound mixing method applied to Intelligent set top box Download PDFInfo
- Publication number
- CN109005452A CN109005452A CN201811170548.5A CN201811170548A CN109005452A CN 109005452 A CN109005452 A CN 109005452A CN 201811170548 A CN201811170548 A CN 201811170548A CN 109005452 A CN109005452 A CN 109005452A
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- China
- Prior art keywords
- sound
- processor
- top box
- midi
- audio
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
- H04N5/602—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for digital sound signals
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The present invention provides a kind of serial sound mixing method applied to Intelligent set top box, includes the following steps S1: preparation has CPU processor, MIDI processor, adder, the Intelligent set top box equipment of operational amplifier, MIC sound hole, AV and HDMI delivery outlet；S2: external audio information is received using the MIC sound hole of set-top box device, and the external audio information that this is received is transmitted to MIDI processor position；S3: director data is sent to MIDI processor by the UART serial ports of CPU processor, drive control is carried out to MIDI processor, manage the audio output and sound size situation of the audio-frequency information from MIC sound hole, in actual application, techniqueflow of the invention, preferably resolve the stereo process problem of home media center multiple sound, avoid multiple sound, the problems such as being not from the same audio output bring sound separation and step of different sizes, can be solved this problem using this serial audio mixing scheme.
Description
[technical field]
It is high that the present invention relates to audio mixing of set-top box method and technology field more particularly to a kind of intelligence degrees, and Experience Degree is strong
Serial sound mixing method applied to Intelligent set top box.
[background technique]
Science and technology is developing, and the epoch increasingly have been favored by people in progress, smart media equipment, and as home media
Core --- Intelligent set top box, role is more and more important in people's daily life, between especially mutual equipment
Connection and shared intervention so that Intelligent set top box energy band is more rich and varied to the experience of people.Traditional set-top box, all
It is to be designed based on satellite digital broadcast television, network flow and its local media, in function and experience, can no longer meet
The demand of present people, such as family's Karaoke, family's 3D/4D movie theatre, body-sensing interact, if it is desired to experience these in family
New technology requires multiple specific installations to realize, in order to solve the problems, such as that these are related to muli-sounds input, reaches sound view
The mixed effect of the media such as frequency and human body input sound, is that those skilled in the art often consider the problems of.
With regard to current, the technology of many audio mixings is had already appeared in PC computer end, but these technologies are on the set-top box
It is often difficult to realize, even if realizing the input for being also required to multiple audio equipment, implements very greatly, in order to realize set-top box
Sound mixing function, those skilled in the art have carried out a large amount of research and development and experiment, and achieve preferable achievement.
[summary of the invention]
To overcome the problems of prior art, the present invention provides a kind of intelligence degree height, the strong application of Experience Degree
In the serial sound mixing method of Intelligent set top box.
The scheme that the present invention solves technical problem is to provide a kind of serial sound mixing method applied to Intelligent set top box, including
Following steps,
S1: preparation has CPU processor, MIDI processor, adder, operational amplifier, MIC sound hole, AV and HDMI defeated
The Intelligent set top box equipment portalled；
S2: external audio information, and the external audio information that this is received are received using the MIC sound hole of set-top box device
It is transmitted to MIDI processor position；
S3: director data is sent to MIDI processor by the UART serial ports of CPU processor, MIDI processor is driven
Dynamic control, manages the audio output and sound size situation of the audio-frequency information from MIC sound hole；
S4: will by MIDI processor, treated that audio-frequency information is sent to adder position, meanwhile, by matchmaker built in system
Body sound also communicates to adder position, carries out stereo process to source of sound at two；
S5: the enhanced processing of operational amplifier is carried out to the remixed audio information that step S4 is obtained, and passes through AV and HDMI
Delivery outlet exports audio；
S6: serial stereo process is completed.
Preferably, the Intelligent set top box equipment includes box body and is set to the power supply of the tray interior, at CPU
Manage device, MIDI processor, adder, operational amplifier, wireless communication transmission unit, data storage, Temperature Humidity Sensor, report
Alert device and the radiator for reducing equipment internal temperature；The CPU processor, MIDI processor, adder, operation amplifier
Device, wireless communication transmission unit, data storage, Temperature Humidity Sensor, alarm and radiator and controller are electrically connected；
The signal display for display program list is provided on the outside of the box body front；The signal display and control are pressed
Button and controller are electrically connected；Further include be set to the sounding device of tray interior, and the box body front offer with
The corresponding vocal hole in sounding device position；Several thermal windows are offered in the left and right side portion position of the box body；Radiator
It is arranged close to thermal window；The sounding device and controller are electrically connected.
Compared with prior art, a kind of serial sound mixing method applied to Intelligent set top box of the present invention has by preparation
CPU processor, MIDI processor, adder, operational amplifier, MIC sound hole, AV and HDMI delivery outlet Intelligent set top box set
It is standby, external audio information is received using the MIC sound hole of set-top box device, and the external audio information that this is received is transmitted to
MIDI processor position sends director data to MIDI processor by the UART serial ports of CPU processor, to MIDI processor into
Row drive control manages the audio output and sound size situation of the audio-frequency information from MIC sound hole, will handle by MIDI
Treated that audio-frequency information is sent to adder position for device, meanwhile, system built in media sound is also communicated into adder position,
Stereo process carried out to source of sound at two, in actual application, techniqueflow of the invention is preferably resolved in home media
The stereo process problem of heart multiple sound, avoids multiple sound, be not from the separation of same audio output bring sound and
This problem can be solved using this serial audio mixing scheme in the problems such as step of different sizes.
[Detailed description of the invention]
Fig. 1 is a kind of flow diagram of the serial sound mixing method applied to Intelligent set top box of the present invention.
[specific embodiment]
To make the purpose of the present invention, technical solution and advantage are more clearly understood, with reference to the accompanying drawings and embodiments, to this
Invention is further elaborated.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, not
For limiting the invention.
Referring to Fig. 1, a kind of serial sound mixing method 1 applied to Intelligent set top box of the present invention includes the following steps,
S1: preparation has CPU processor, MIDI processor, adder, operational amplifier, MIC sound hole, AV and HDMI defeated
The Intelligent set top box equipment portalled；
S2: external audio information, and the external audio information that this is received are received using the MIC sound hole of set-top box device
It is transmitted to MIDI processor position；
S3: director data is sent to MIDI processor by the UART serial ports of CPU processor, MIDI processor is driven
Dynamic control, manages the audio output and sound size situation of the audio-frequency information from MIC sound hole；
S4: will by MIDI processor, treated that audio-frequency information is sent to adder position, meanwhile, by matchmaker built in system
Body sound also communicates to adder position, carries out stereo process to source of sound at two；
S5: the enhanced processing of operational amplifier is carried out to the remixed audio information that step S4 is obtained, and passes through AV and HDMI
Delivery outlet exports audio；
S6: serial stereo process is completed.
The application by preparation have CPU processor, MIDI processor, adder, operational amplifier, MIC sound hole, AV and
The Intelligent set top box equipment of HDMI delivery outlet receives external audio information using the MIC sound hole of set-top box device, and by the reception
To external audio information be transmitted to MIDI processor position, sent by the UART serial ports of CPU processor to MIDI processor
Director data carries out drive control to MIDI processor, manages the audio output and sound of the audio-frequency information from MIC sound hole
Size situation, will by MIDI processor, treated that audio-frequency information is sent to adder position, meanwhile, by system built in media
Sound also communicates to adder position, carries out stereo process to source of sound at two, in actual application, technical flow of the invention
Journey preferably resolves the stereo process problem of home media center multiple sound, avoids multiple sound, is not from same
The problems such as separation of audio output bring sound and step of different sizes, this problem can be solved using this serial audio mixing scheme.
Preferably, the Intelligent set top box equipment includes box body and is set to the power supply of the tray interior, at CPU
Manage device, MIDI processor, adder, operational amplifier, wireless communication transmission unit, data storage, Temperature Humidity Sensor, report
Alert device and the radiator for reducing equipment internal temperature；The CPU processor, MIDI processor, adder, operation amplifier
Device, wireless communication transmission unit, data storage, Temperature Humidity Sensor, alarm and radiator and controller are electrically connected；
The signal display for display program list is provided on the outside of the box body front；The signal display and control are pressed
Button and controller are electrically connected；Further include be set to the sounding device of tray interior, and the box body front offer with
The corresponding vocal hole in sounding device position；Several thermal windows are offered in the left and right side portion position of the box body；Radiator
It is arranged close to thermal window；The sounding device and controller are electrically connected.
For home media system, multiple device sound can not realize audio mixing effect very well, lead to not well to people
Bring the experience of sound effect, a kind of serial audio mixing scheme has been herein proposed, so that our Intelligent set top box, in sound
It is really intelligent on sound, then allow people that can experience beautiful sound grand banquet at home.
For whole system, voice input come from two parts: one be system media sound, one is that MIC is inputted
Sound is both that the directly output and MIC after CPU is handled of system media sound inputs the sound after MIDI processor.
The acoustic processing part of MIDI then sends director data to MIDI processor by the UART serial ports of CPU, has reached to MIDI's
Drive control, to guarantee the output of MIC sound, then the audio mixing of the adder of sound is passed through in the control etc. of sound size,
And its amplifier processing, it is then given to the output of AV and HDMI, to realize the audio mixing effect of multiple sound.
Compared with prior art, a kind of serial sound mixing method 1 applied to Intelligent set top box of the present invention has by preparation
CPU processor, MIDI processor, adder, operational amplifier, MIC sound hole, AV and HDMI delivery outlet Intelligent set top box set
It is standby, external audio information is received using the MIC sound hole of set-top box device, and the external audio information that this is received is transmitted to
MIDI processor position sends director data to MIDI processor by the UART serial ports of CPU processor, to MIDI processor into
Row drive control manages the audio output and sound size situation of the audio-frequency information from MIC sound hole, will handle by MIDI
Treated that audio-frequency information is sent to adder position for device, meanwhile, system built in media sound is also communicated into adder position,
Stereo process carried out to source of sound at two, in actual application, techniqueflow of the invention is preferably resolved in home media
The stereo process problem of heart multiple sound, avoids multiple sound, be not from the separation of same audio output bring sound and
This problem can be solved using this serial audio mixing scheme in the problems such as step of different sizes.
The embodiments of the present invention described above are not intended to limit the scope of the present invention.It is any in the present invention
Spirit and principle within made modifications, equivalent substitutions and improvements etc., should be included in claim protection model of the invention
Within enclosing.
Claims (2)
1. a kind of serial sound mixing method applied to Intelligent set top box, it is characterised in that: include the following steps,
S1: preparation has CPU processor, MIDI processor, adder, operational amplifier, MIC sound hole, AV and HDMI delivery outlet
Intelligent set top box equipment；
S2: external audio information is received using the MIC sound hole of set-top box device, and the external audio information received is transmitted
To MIDI processor position；
S3: director data is sent to MIDI processor by the UART serial ports of CPU processor, driving control is carried out to MIDI processor
System manages the audio output and sound size situation of the audio-frequency information from MIC sound hole；
S4: will by MIDI processor, treated that audio-frequency information is sent to adder position, meanwhile, by system built in media sound
Sound also communicates to adder position, carries out stereo process to source of sound at two；
S5: the enhanced processing of operational amplifier is carried out to the remixed audio information that step S4 is obtained, and is exported by AV and HDMI
Hole exports audio；
S6: serial stereo process is completed.
2. a kind of serial sound mixing method applied to Intelligent set top box as described in claim 1, it is characterised in that: the intelligence
Set-top box device include box body and the power supply for being set to the tray interior, CPU processor, MIDI processor, adder,
Operational amplifier, wireless communication transmission unit, data storage, Temperature Humidity Sensor, alarm and for reducing in equipment
The radiator of portion's temperature；The CPU processor, MIDI processor, adder, operational amplifier, wireless communication transmission unit, data
Memory, Temperature Humidity Sensor, alarm and radiator and controller are electrically connected；It is provided on the outside of the box body front
Signal display for display program list；The signal display and control button and controller are electrically connected；Also wrap
The sounding device for being set to tray interior is included, and offers sounding corresponding with sounding device position in the box body front
Hole；Several thermal windows are offered in the left and right side portion position of the box body；Radiator is arranged close to thermal window；The hair
Acoustic device and controller are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811170548.5A CN109005452A (en) | 2018-10-09 | 2018-10-09 | A kind of serial sound mixing method applied to Intelligent set top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811170548.5A CN109005452A (en) | 2018-10-09 | 2018-10-09 | A kind of serial sound mixing method applied to Intelligent set top box |
Publications (1)
| Publication Number | Publication Date |
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| CN109005452A true CN109005452A (en) | 2018-12-14 |
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| CN201811170548.5A Pending CN109005452A (en) | 2018-10-09 | 2018-10-09 | A kind of serial sound mixing method applied to Intelligent set top box |
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Citations (7)
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| WO2010053728A1 (en) * | 2008-10-29 | 2010-05-14 | Dolby Laboratories Licensing Corporation | Signal clipping protection using pre-existing audio gain metadata |
| CN101867691A (en) * | 2009-04-16 | 2010-10-20 | 鸿富锦精密工业（深圳）有限公司 | Set top box |
| CN204559866U (en) * | 2015-05-20 | 2015-08-12 | 徐文波 | Audio frequency apparatus |
| CN105516752A (en) * | 2014-09-25 | 2016-04-20 | 中兴通讯股份有限公司 | Set top box, and switching device and method thereof |
| CN106331558A (en) * | 2016-08-26 | 2017-01-11 | 福建星网视易信息***有限公司 | Audio/video device |
| CN206293156U (en) * | 2016-12-12 | 2017-06-30 | 珠海市杰理科技股份有限公司 | MIDI instrument devices |
| CN207218953U (en) * | 2017-09-26 | 2018-04-10 | 深圳市亿联智能有限公司 | A kind of set top box with mobile phone viewing function |
-
2018
- 2018-10-09 CN CN201811170548.5A patent/CN109005452A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010053728A1 (en) * | 2008-10-29 | 2010-05-14 | Dolby Laboratories Licensing Corporation | Signal clipping protection using pre-existing audio gain metadata |
| CN101867691A (en) * | 2009-04-16 | 2010-10-20 | 鸿富锦精密工业（深圳）有限公司 | Set top box |
| CN105516752A (en) * | 2014-09-25 | 2016-04-20 | 中兴通讯股份有限公司 | Set top box, and switching device and method thereof |
| CN204559866U (en) * | 2015-05-20 | 2015-08-12 | 徐文波 | Audio frequency apparatus |
| CN106331558A (en) * | 2016-08-26 | 2017-01-11 | 福建星网视易信息***有限公司 | Audio/video device |
| CN206293156U (en) * | 2016-12-12 | 2017-06-30 | 珠海市杰理科技股份有限公司 | MIDI instrument devices |
| CN207218953U (en) * | 2017-09-26 | 2018-04-10 | 深圳市亿联智能有限公司 | A kind of set top box with mobile phone viewing function |
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Application publication date: 20181214 |