CN105280191A - Network audio mixing method and device - Google Patents
Network audio mixing method and device Download PDFInfo
- Publication number
- CN105280191A CN105280191A CN201510650457.1A CN201510650457A CN105280191A CN 105280191 A CN105280191 A CN 105280191A CN 201510650457 A CN201510650457 A CN 201510650457A CN 105280191 A CN105280191 A CN 105280191A
- Authority
- CN
- China
- Prior art keywords
- audio frequency
- mcu module
- frequency processing
- module
- network
- 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
Landscapes
- Selective Calling Equipment (AREA)
Abstract
The invention discloses a network audio mixing method and device. The method and device can achieve network remote control, and can be integrated in a network environment better. The device comprises an audio processing IC, an MCU module, a network connection module, and at least two sound pickups. The sound pickups are connected with the audio processing IC, and the audio processing IC is connected with the MCU module. The MCU module is connected with a network connection module. The sound pickups collect audio signals, and transmit the audio signals to the audio processing IC. The audio processing IC carries out the overlapping of all received audio signals, obtains a sound mixing signal, and transmits the sound mixing signal to the MCU module. The MCU module transmits the received sound mixing signal to a remote server through the network connection module. The network connection module is also used for receiving a control instruction sent by the remote server, and transmitting the control instruction to the MCU module, so as to enable the MCU module to carry out corresponding configuration of the audio processing IC, and to achieve the control of an output signal of the audio processing IC.
Description
Technical field
The present invention relates to Audio mixing field, be specifically related to a kind of network sound mixing method and mixer.
Background technology
In modern multi-media classroom, for multi-path voice, collection, the mixing of multimedia audio propose more demand.Its demand is wished the voice signal of Faculty and Students, carries out mixing rear unification and delivers to rear end and carry out processing (recording is play), need to power to multiple acoustic pickups of front end simultaneously, reach simplified wiring, reduce power supply to the object of the interference of audio frequency.
The mixer product of current majority mainly builds totalizer computing circuit based on low noise audio frequency amplifier, adds up, reach the effect of Hybrid amplifier to signal.By unified current supply circuit, the multiple acoustic pickup in front end is powered.Accompanying drawing 1 is shown in by specific implementation block diagram.
But similar mixer at present on the market cannot carry out Long-distance Control, generally as the accessory of solution, cannot incorporate network remote and control environment.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of network sound mixing method and mixer, can realize network remote and control, incorporate network environment preferably.
For this purpose, on the one hand, the present invention proposes a kind of network mixer, comprising:
Audio frequency processing IC, MCU module, network connecting module and at least two acoustic pickups; Wherein,
Described acoustic pickup connects described audio frequency processing IC, and described audio frequency processing IC connects described MCU module, and described MCU module connects described network connecting module,
Described acoustic pickup gathers sound signal, and is transferred to described audio frequency processing IC,
Described audio frequency processing IC superposes each road sound signal received, and obtains audio signal, and described audio signal is transferred to described MCU module, by described MCU module, the audio signal received is transferred to remote server through described network connecting module;
Described network connecting module, also for receiving the steering order that described remote server is launched, and described steering order is transferred to described MCU module, to make described MCU module configure accordingly described audio frequency processing IC according to described steering order, realize the control to described audio frequency processing IC output signal.
On the other hand, the present invention proposes a kind of network sound mixing method, comprising:
Sound signals are gathered by least two acoustic pickups, and by the audio signal transmission that collects to audio frequency processing IC,
By described audio frequency processing IC, each road sound signal received is superposed, obtain audio signal, and described audio signal is transferred to MCU module, by described MCU module, the audio signal received is transferred to remote server through network connecting module.
Preferably, described network sound mixing method, also comprises:
The steering order of described remote server transmitting is received by described network connecting module, and described steering order is transferred to described MCU module, to make described MCU module configure accordingly described audio frequency processing IC according to described steering order, realize the control to described audio frequency processing IC output signal.
Network sound mixing method described in the embodiment of the present invention and mixer, audio mixing superposition is being carried out to the multipath audio signal of acoustic pickup collection, and after being transferred to remote server, the steering order that remote server sends can also be received, audio frequency after audio mixing superposition is controlled, thus compared to carrying out the existing mixer of Long-distance Control, the present invention can realize network remote and control, and incorporates network environment preferably.
Accompanying drawing explanation
Fig. 1 be existing mixer realize block diagram;
Fig. 2 is the structural representation of network mixer one embodiment of the present invention;
Fig. 3 is the process flow diagram of another embodiment of network mixer of the present invention;
Fig. 4 is the schematic flow sheet of network sound mixing method one embodiment of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 2, the present embodiment discloses a kind of network mixer, comprising:
Audio frequency processing IC 2 (audio process), MCU module 3 (microcontroller), network connecting module 4 (can be 100,000,000 network connecting module) and at least two acoustic pickups 1; Wherein,
Described acoustic pickup 1 connects described audio frequency processing IC 2, and described audio frequency processing IC 2 connects described MCU module 3, and described MCU module 3 connects described network connecting module 4,
Described acoustic pickup 1 gathers sound signal, and is transferred to described audio frequency processing IC 2,
Described audio frequency processing IC 2 superposes each road sound signal received, obtain audio signal, and described audio signal is transferred to described MCU module 3, by described MCU module 3, the audio signal received is transferred to remote server through described network connecting module 4;
Described network connecting module 4, also for receiving the steering order that described remote server is launched, and described steering order is transferred to described MCU module 3, to make described MCU module 3 configure accordingly described audio frequency processing IC 2 according to described steering order, realize the control that described audio frequency processing IC 2 is outputed signal.
Network mixer described in the embodiment of the present invention, audio mixing superposition is being carried out to the multipath audio signal of acoustic pickup collection, and after being transferred to remote server, the steering order that remote server sends can also be received, audio frequency after audio mixing superposition is controlled, thus compared to carrying out the existing mixer of Long-distance Control, the present invention can realize network remote and control, and incorporates network environment preferably.
Alternatively, in another embodiment of network mixer of the present invention, described audio frequency processing IC supports as many as 6 road audio frequency input audio mixing, and supports that the audio mixing on as many as 4 tunnel exports.
The way of existing support audio mixing is less, mostly is two-way, and in the embodiment of the present invention, audio frequency processing IC is supported can carry out audio frequency input audio mixing in as many as 6 road freely switching selection, can meet the demand of multi-path voice and multimedia courseware audio mix; Support that the audio mixing on as many as 4 tunnel exports, meet the access demand of multiple rear end equipment.
Alternatively, in another embodiment of network mixer of the present invention, described audio frequency processing IC, also comprises:
AGC automatic gain control circuit, for carrying out automatic gain compensation to each road sound signal received.
The sound mixing function of existing mixer is single, only simply can add up to sound signal, serve as a teacher when walking about in classroom, sound there will be suddenly big or suddenly small phenomenon, and in the embodiment of the present invention, adopt AGC automatic gain control circuit, can the sound pressure level level of each passage of Real-Time Monitoring, and make adequate compensation, avoid the suddenly big or suddenly small of sound.
Alternatively, in another embodiment of network mixer of the present invention, described audio frequency processing IC, also comprises:
Filtering circuit, amplifying circuit (can be PGA Programmable Gain Amplifier Circuit) and analog to digital conversion circuit; Wherein,
Described amplifying circuit connects described filtering circuit and analog to digital conversion circuit,
Described filtering circuit carries out filtering to superposing the audio signal obtained, and gives described amplifying circuit by filtered Signal transmissions,
Described amplifying circuit amplifies the signal that described filtering circuit transmits, and by the Signal transmissions after amplification to analog-digital conversion circuit as described,
Analog-digital conversion circuit as described carries out analog to digital conversion to the signal that described amplifying circuit transmits, obtain digital signal, and give described MCU module by described digital data transmission, by described MCU module, the digital signal received is transferred to remote server through described network connecting module.
Existing mixer can not realize audio defeat, and in the embodiment of the present invention, filtering circuit is adopted to carry out filtering, noise reduction can be carried out to audio signal, ensure the pure of audio frequency, meanwhile, adopt analog to digital conversion circuit can carry out digital mixed files transmission, meet the recording of remote server, monitoring and storage demand.
Alternatively, in another embodiment of network mixer of the present invention, described MCU module, steering order also for transmitting described network connecting module is resolved, obtain the first instruction, send the second instruction according to described first instruction to described amplifying circuit, carry out amplification process to make described amplifying circuit to the received signal according to described second instruction.
Existing mixer can not realize volume and control, and in the embodiment of the present invention, the steering order that MCU module sends according to the remote server received, the enlargement factor of configuration amplifying circuit, thus volume control can be realized, prevent sonic boom.
Alternatively, in another embodiment of network mixer of the present invention, described MCU module, steering order also for transmitting described network connecting module is resolved, obtain the 3rd instruction, send the 4th instruction according to described 3rd instruction to described audio frequency processing IC, switch audio mixing output channel to make described audio frequency processing IC according to described 4th instruction.
In the embodiment of the present invention, the steering order that MCU module can send according to the remote server received, configuration audio frequency processing IC is to carry out audio mixing passage bridge.
Alternatively, in another embodiment of network mixer of the present invention, described audio frequency processing IC, also comprises:
Mute circuit; Wherein,
Described MCU module, steering order also for transmitting described network connecting module is resolved, obtain the five fingers order, the 6th instruction is sent to described mute circuit according to described the five fingers order, silence processing is carried out according to described 6th instruction to superposing the audio signal obtained to make described mute circuit, and give described MCU module by the Signal transmissions after silence processing, by described MCU module, the signal received is transferred to remote server through described network connecting module.
In the embodiment of the present invention, mute circuit can be adopted as required to carry out quiet to the audio signal will carrying out remote transmission.
Alternatively, in another embodiment of network mixer of the present invention, also comprise:
Interactive module; Wherein,
Described MCU module, mutual by with described interactive module, receives the key command of user, and configures accordingly described audio frequency processing IC according to described key command, realize the control to described audio frequency processing IC output signal.
The interactive module adopted in the embodiment of the present invention can realize, according to external key control command, carrying out the object of corresponding control.Such as volume controls, the volume adjusting of existing mixer is more inconvenient, only carry out volume adjustment by hardware knob, because most of mixer is generally all placed on ceiling or furred ceiling, such adjustment volume is very inconvenient, even can only fix a volume value, lose the purposes that volume is adjustable, and the interactive module adopted in the present invention can be set to telepilot pattern, the panel of interactive mode can be arranged " volume increase " button, " volume minimizing " button to realize the control to the volume of audio signal.
Be illustrated in figure 3 the process flow diagram of another embodiment of network mixer of the present invention, before mixer of the present invention is used, need to arrange, comprise: ambient As, network settings and audio frequency processing IC initial configuration (comprising acquiescence to be connected and audio mixing setting), then in the process used, after receiving sound signal, can carry out successively compensating the need of AGC, whether receive control command, it is whether the judgement by key control, and perform operation as shown in Figure 3 according to judged result, audio frame is extracted afterwards from buffer memory, carry out the packing of network frame file, and be transmitted through the network to remote server.
As shown in Figure 4, the present embodiment discloses a kind of network sound mixing method, comprising:
S1, gather sound signals by least two acoustic pickups, and by the audio signal transmission that collects to audio frequency processing IC;
S2, by described audio frequency processing IC, each road sound signal received to be superposed, obtain audio signal, and described audio signal is transferred to MCU module, by described MCU module, the audio signal received is transferred to remote server through network connecting module.
Network sound mixing method described in the embodiment of the present invention, by the transmission of mixed files, can meet the recording listen requirement of remote server.
Alternatively, in another embodiment of network sound mixing method of the present invention, also comprise:
The steering order of described remote server transmitting is received by described network connecting module, and described steering order is transferred to described MCU module, to make described MCU module configure accordingly described audio frequency processing IC according to described steering order, realize the control to described audio frequency processing IC output signal.
Network sound mixing method described in the embodiment of the present invention, audio mixing superposition is being carried out to the multipath audio signal of acoustic pickup collection, and after being transferred to remote server, the steering order that remote server sends can also be received, audio frequency after audio mixing superposition is controlled, thus compared to carrying out the existing mixer of Long-distance Control, the present invention can realize network remote and control, and incorporates network environment preferably.
Although describe embodiments of the present invention by reference to the accompanying drawings, but those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, such amendment and modification all fall into by within claims limited range.
Claims (10)
1. a network mixer, is characterized in that, comprising:
Audio frequency processing IC, MCU module, network connecting module and at least two acoustic pickups; Wherein,
Described acoustic pickup connects described audio frequency processing IC, and described audio frequency processing IC connects described MCU module, and described MCU module connects described network connecting module,
Described acoustic pickup gathers sound signal, and is transferred to described audio frequency processing IC,
Described audio frequency processing IC superposes each road sound signal received, and obtains audio signal, and described audio signal is transferred to described MCU module, by described MCU module, the audio signal received is transferred to remote server through described network connecting module;
Described network connecting module, also for receiving the steering order that described remote server is launched, and described steering order is transferred to described MCU module, to make described MCU module configure accordingly described audio frequency processing IC according to described steering order, realize the control to described audio frequency processing IC output signal.
2. network mixer according to claim 1, is characterized in that, described audio frequency processing IC supports as many as 6 road audio frequency input audio mixing, and supports that the audio mixing on as many as 4 tunnel exports.
3. network mixer according to claim 1, is characterized in that, described audio frequency processing IC, also comprises:
AGC automatic gain control circuit, for carrying out automatic gain compensation to each road sound signal received.
4. network mixer according to claim 1, is characterized in that, described audio frequency processing IC, also comprises:
Filtering circuit, amplifying circuit and analog to digital conversion circuit; Wherein,
Described amplifying circuit connects described filtering circuit and analog to digital conversion circuit,
Described filtering circuit carries out filtering to superposing the audio signal obtained, and gives described amplifying circuit by filtered Signal transmissions,
Described amplifying circuit amplifies the signal that described filtering circuit transmits, and by the Signal transmissions after amplification to analog-digital conversion circuit as described,
Analog-digital conversion circuit as described carries out analog to digital conversion to the signal that described amplifying circuit transmits, obtain digital signal, and give described MCU module by described digital data transmission, by described MCU module, the digital signal received is transferred to remote server through described network connecting module.
5. network mixer according to claim 4, it is characterized in that, described MCU module, steering order also for transmitting described network connecting module is resolved, obtain the first instruction, send the second instruction according to described first instruction to described amplifying circuit, carry out amplification process to make described amplifying circuit to the received signal according to described second instruction.
6. network mixer according to claim 4, it is characterized in that, described MCU module, steering order also for transmitting described network connecting module is resolved, obtain the 3rd instruction, send the 4th instruction according to described 3rd instruction to described audio frequency processing IC, switch audio mixing output channel to make described audio frequency processing IC according to described 4th instruction.
7. network mixer according to claim 1, is characterized in that, described audio frequency processing IC, also comprises:
Mute circuit; Wherein,
Described MCU module, steering order also for transmitting described network connecting module is resolved, obtain the five fingers order, the 6th instruction is sent to described mute circuit according to described the five fingers order, silence processing is carried out according to described 6th instruction to superposing the audio signal obtained to make described mute circuit, and give described MCU module by the Signal transmissions after silence processing, by described MCU module, the signal received is transferred to remote server through described network connecting module.
8. network mixer according to claim 1, is characterized in that, also comprise:
Interactive module; Wherein,
Described MCU module, mutual by with described interactive module, receives the key command of user, and configures accordingly described audio frequency processing IC according to described key command, realize the control to described audio frequency processing IC output signal.
9. a network sound mixing method, is characterized in that, comprising:
Sound signals are gathered by least two acoustic pickups, and by the audio signal transmission that collects to audio frequency processing IC,
By described audio frequency processing IC, each road sound signal received is superposed, obtain audio signal, and described audio signal is transferred to MCU module, by described MCU module, the audio signal received is transferred to remote server through network connecting module.
10. network sound mixing method according to claim 9, is characterized in that, also comprises:
The steering order of described remote server transmitting is received by described network connecting module, and described steering order is transferred to described MCU module, to make described MCU module configure accordingly described audio frequency processing IC according to described steering order, realize the control to described audio frequency processing IC output signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510650457.1A CN105280191A (en) | 2015-10-09 | 2015-10-09 | Network audio mixing method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510650457.1A CN105280191A (en) | 2015-10-09 | 2015-10-09 | Network audio mixing method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105280191A true CN105280191A (en) | 2016-01-27 |
Family
ID=55149082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510650457.1A Pending CN105280191A (en) | 2015-10-09 | 2015-10-09 | Network audio mixing method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105280191A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719653A (en) * | 2016-01-28 | 2016-06-29 | 腾讯科技（深圳）有限公司 | Mixing processing method and device |
| CN108062218B (en) * | 2018-01-16 | 2023-12-05 | 北京唱吧科技股份有限公司 | Sound card device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100303260A1 (en) * | 2009-05-29 | 2010-12-02 | Stieler Von Heydekampf Mathias | Decentralized audio mixing and recording |
| CN201699952U (en) * | 2010-02-04 | 2011-01-05 | 天津市华音宇科工贸有限公司 | Intelligent automatic sound mixer with network interface |
| CN102724009A (en) * | 2011-03-28 | 2012-10-10 | 雅马哈株式会社 | System for controlling a mixer via external controller |
| CN203278971U (en) * | 2013-05-02 | 2013-11-06 | 广州融和网络科技有限公司 | Remote multimedia fusion communication conference terminal |
| CN103414988A (en) * | 2013-05-21 | 2013-11-27 | 杭州联汇数字科技有限公司 | Indoor sound reinforcement recording device and voice tracking adjustment method |
| CN203368759U (en) * | 2013-06-13 | 2013-12-25 | 杭州联汇数字科技有限公司 | Indoor sound amplifying and recording device |
| CN103714847A (en) * | 2013-12-31 | 2014-04-09 | 广州市花都区中山大学国光电子与通信研究院 | DSP (digital signal processing)-based multi-channel digital audio processor |
| CN103905958A (en) * | 2014-04-21 | 2014-07-02 | 杭州百控科技有限公司 | Audio processing device and method |
| CN104066036A (en) * | 2014-06-19 | 2014-09-24 | 华为技术有限公司 | Pick-up device and method |
-
2015
- 2015-10-09 CN CN201510650457.1A patent/CN105280191A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100303260A1 (en) * | 2009-05-29 | 2010-12-02 | Stieler Von Heydekampf Mathias | Decentralized audio mixing and recording |
| CN201699952U (en) * | 2010-02-04 | 2011-01-05 | 天津市华音宇科工贸有限公司 | Intelligent automatic sound mixer with network interface |
| CN102724009A (en) * | 2011-03-28 | 2012-10-10 | 雅马哈株式会社 | System for controlling a mixer via external controller |
| CN203278971U (en) * | 2013-05-02 | 2013-11-06 | 广州融和网络科技有限公司 | Remote multimedia fusion communication conference terminal |
| CN103414988A (en) * | 2013-05-21 | 2013-11-27 | 杭州联汇数字科技有限公司 | Indoor sound reinforcement recording device and voice tracking adjustment method |
| CN203368759U (en) * | 2013-06-13 | 2013-12-25 | 杭州联汇数字科技有限公司 | Indoor sound amplifying and recording device |
| CN103714847A (en) * | 2013-12-31 | 2014-04-09 | 广州市花都区中山大学国光电子与通信研究院 | DSP (digital signal processing)-based multi-channel digital audio processor |
| CN103905958A (en) * | 2014-04-21 | 2014-07-02 | 杭州百控科技有限公司 | Audio processing device and method |
| CN104066036A (en) * | 2014-06-19 | 2014-09-24 | 华为技术有限公司 | Pick-up device and method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719653A (en) * | 2016-01-28 | 2016-06-29 | 腾讯科技（深圳）有限公司 | Mixing processing method and device |
| US10348264B2 (en) | 2016-01-28 | 2019-07-09 | Tencent Technology (Shenzhen) Company Limited | Method and apparatus for audio mixing |
| CN105719653B (en) * | 2016-01-28 | 2020-04-24 | 腾讯科技（深圳）有限公司 | Mixed sound processing method and device |
| CN108062218B (en) * | 2018-01-16 | 2023-12-05 | 北京唱吧科技股份有限公司 | Sound card device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE543341T1 (en) | AUDIO AMPLIFIER WITH LOCAL INTERFACE | |
| US20190289391A1 (en) | Audio signal processing device and sound box | |
| CN204795576U (en) | Audio system | |
| CN105280191A (en) | Network audio mixing method and device | |
| CN103826174B (en) | A kind of radio digital mic system | |
| CN110809129A (en) | Centralized control type conference room sound system | |
| CN203984620U (en) | A kind of singing device that can automatic regulating volume | |
| CN109600703A (en) | Sound reinforcement system and its public address method and computer readable storage medium | |
| CN201805538U (en) | Circuit for improving play sound articulation according to ambient sound, and device thereof | |
| CN211792010U (en) | Self-adaptive pickup all-in-one machine control system | |
| CN101853560B (en) | RF (radio frequency) remote-controller with an earphone and control method thereof | |
| CN106658246B (en) | Wireless microphone system | |
| CN204614438U (en) | Multifunctional intellectual sound equipment guitar | |
| CN209120446U (en) | A kind of U sections of wireless addressing power amplifier | |
| CN206135895U (en) | Intercom terminal's switching device , intercom terminal and intercom system | |
| CN203788431U (en) | Multifunctional microphone | |
| CN203289623U (en) | Active loudspeaker based on multiple-DSP (digital signal processor) system | |
| CN206260063U (en) | A kind of microphone system | |
| CN201752132U (en) | Domestic directional sound propagation system | |
| CN203397546U (en) | Interactive teaching audio system | |
| CN205454016U (en) | Multifunctional microphone | |
| CN114143669B (en) | Voice control system and audio equipment | |
| CN220896834U (en) | Digital conference system based on digital audio serial superposition transmission | |
| CN203386457U (en) | System of voice guide to visitors of exhibition hall | |
| CN213213844U (en) | DSP audio processing combined power amplifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination |