CN206024079U - Four enter eight goes out FIR sound box processors - Google Patents
Four enter eight goes out FIR sound box processors Download PDFInfo
- Publication number
- CN206024079U CN206024079U CN201621051032.5U CN201621051032U CN206024079U CN 206024079 U CN206024079 U CN 206024079U CN 201621051032 U CN201621051032 U CN 201621051032U CN 206024079 U CN206024079 U CN 206024079U
- Authority
- CN
- China
- Prior art keywords
- input
- output
- signal processing
- blender
- processing unit
- 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.)
- Active
Links
Abstract
The utility model discloses one kind four is entered eight and goes out FIR sound box processors, including 4 input channels, 4 input signal processing units, 4 first via by blender, 4 FIR filters, 4 secondary route blenders, 8 output signal processing units and 8 output channels；Each input signal processing unit connects a first via by blender, it is connected with 4 FIR filters by blender per the first via of road input signal processing unit connection, each FIR filter connects a secondary route blender, the secondary route blender is used for arbitrary input channel through the signal input after FIR filter process to output signal processing unit, each secondary route blender is connected with 8 output signal processing units, and each output signal processing unit is connected respectively output channel all the way.Sound box processor of the present utility model can with network selection network go forward side by side line phase correction, while compatible third-party testing software.
Description
Technical field
The utility model is related to the research field of sound box processor, and more particularly to a kind of four enter eight goes out FIR sound box processors.
Background technology
As the various daily equipment such as the development of science and technology, television set have also obtained quick development, by taking television set as an example, it is in
Reveal bigger, the thinner, development trend of more high definition, great visual enjoyment is brought to us, in order to coordinate visual experience, people
Also have higher requirement for the sound of output, propose a kind of audio amplifier by multiple sound channels in prior art, power amplifier is integrated
Strip audio amplifier in a casing, such audio amplifier typically are provided with 5.1 sound channels and 7.1 sound channels, constitute family with flat panel TV
Movie theatre, realizes the immersion audio frequency result of broadcast of high-power, multichannel width sound field.But due to each loudspeaker in this kind of audio amplifier
The audio signal of output is all that the audio signal after curing process carries specific orientative feature through curing process,
So the position of each loudspeaker must be fixed in audio amplifier, the result of broadcast of multichannel width sound field can be just presented；Simultaneously this kind of
The audio process of audio amplifier can not match somebody with somebody network selection network, it is impossible to carry out phase place is corrected, it is impossible to fully meet people to the audio output sense of hearing
On requirement.
Utility model content
Main purpose of the present utility model is to overcome the shortcoming of prior art and deficiency, there is provided a kind of four enter eight goes out FIR
Sound box processor.
In order to achieve the above object, the utility model is employed the following technical solutions：
The utility model enters eight there is provided a kind of four and goes out FIR sound box processors, including 4 input channels, 4 input letters
Number processing unit, 4 first via are processed single by blender, 4 FIR filters, 4 secondary route blenders, 8 output signals
Unit and 8 output channels；Each input channel connects an input signal processing unit, each input signal processing unit
One first via of connection is used for giving the signal input of either input signal processing unit by blender by blender, the first via
FIR filter, is connected with 4 FIR filters by blender per the first via of road input signal processing unit connection, each
FIR filter connects a secondary route blender, and the secondary route blender is used for arbitrary input channel to filter through FIR
To output signal processing unit, each secondary route blender processes single signal input after device process with 8 output signals
Unit's connection, each output signal processing unit are connected respectively output channel all the way.
Used as preferred technical scheme, each input signal processing unit includes that the Noise gate being sequentially connected electrically, input increase
Beneficial controller, input time delay controller, input phase controller, 30 sections of parameter filters and input RMS compressors.
As preferred technical scheme, in input RMS compressors and the first router of each input signal processing unit
Between be provided with input silence switch, the input silence switch is used for opening or closing for control input passage.
Used as preferred technical scheme, each output signal processing unit includes the high LPF of signal connection successively
Device, 8 sections of parameter filters, output delay controller, output phase controller, output RMS compressors, output gain controller,
And limiter.
Used as preferred technical scheme, each output signal processing unit is connected with one the 3rd route blender, described
Input signal processing unit, the 3rd route blender, and corresponding output channel is divided into four groups for two one group in order,
Per group of inside, the 3rd path control deivce is used for for the output signal of signal processing unit being input to all output channels of the group
On.
As preferred technical scheme, in compressor and the corresponding 3rd route mixing of each output signal processing unit
Output mute switch is provided between device, and the output mute switchs opening or closing for controlled output signal processing unit.
Used as preferred technical scheme, to each signal input processing unit, the pressure limit of the input RMS compressors opens control
Threshold range：- 10dBu arrives+20dBu；RMS pressure limit flex points：0%～100%；RMS opens the control time：5ms～200ms.
As preferred technical scheme, output channel level can be set to each output channel, scope from -18dB to+
12dB；
To signal input processing unit, the pressure limit of the output RMS compressors opens control threshold range：- 10dBu to+
20dBu；RMS pressure limit flex points：0%～100%；RMS opens the control time：5ms～200ms；
Control threshold range is opened in the limiter pressure limit restriction：- 10dBu to+20dBu, pressure limit limit release time scope：
0.1sec-5sec, arranges pressure limit with PM3 encoders and opens control time range：1ms-900ms.
The utility model compared with prior art, has the advantage that and beneficial effect：
1st, sound box processor of the present utility model has the frequent rate of the sampling of the additional 96kHz of 24 high-side conversion devices, with Zhuo
Tonequality performance more.
2nd, FIR filter is provided with sound box processor of the present utility model：Taps scopes can between 256 to 1024
Choosing, most low energy decays to -120dB, and has form types.
3rd, the multi-level route blender of sound box processor of the present utility model, forms 4 tunnels and is input into the output of+8 tunnels perfectly
Hybrid matrix sound box processor.
4th, sound box processor of the present utility model contains 30 sections of parameter filters:BELL, snow not, high pass, low pass, band logical,
Trap and all-pass filter.
Description of the drawings
Fig. 1 is that the utility model four enters eight schematic diagrams for going out sound box processor.
Specific embodiment
The utility model is described in further detail with reference to embodiment and accompanying drawing, but enforcement of the present utility model
Mode not limited to this.
Embodiment
As shown in figure 1, the present embodiment one kind four enters eight goes out FIR sound box processors, including 4 input channels, 4 input letters
Number processing unit, 4 first via are processed single by blender, 4 FIR filters, 4 secondary route blenders, 8 output signals
Unit and 8 output channels；Each input channel connects an input signal processing unit；The input signal processing unit
For Noise gate by system, gain control, delays time to control, phase controlling, the regulation of 30 sections of parameter filters, the control of RMS compressors
And quiet control process, each input signal processing unit one first via of connection by blender, used by blender by the first via
In by the signal input of arbitrary input input signal processing unit, to FIR filter, the FIR filter is 4, is input into per road
The first via of signal processing unit connection be connected with 4 FIR filters by blender, and each FIR filter connects one the
Two route blenders, the secondary route blender are used for the signal input arbitrary input after through FIR filter process
Output signal processing unit is arrived, and the output signal processing unit is 8, for high/low bandpass filter being carried out to output signal
Regulation, the regulation of 8 sections of parameter filters, delays time to control, phase controlling, the control of RMS compressors, gain control, pressure limit limit
Device control and quiet control process, each secondary route blender are connected with 8 output signal processing units, each output
Signal processing unit is connected respectively output channel all the way.
Noise gate that each input signal processing unit includes being sequentially connected electrically, input gain controller, input time delay control
Device processed, input phase controller, 30 sections of parameter filters and input RMS compressors.In each input signal processing unit
Input silence switch is provided between input RMS compressors and the first router, and the input silence switch is logical for control input
Road is opened or closed.
Each output signal processing unit includes the high-pass and low-pass filter of signal connection, 8 sections of parameter filters, outputs successively
Delay controller, output phase controller, output RMS compressors, output gain controller and limiter.Each output letter
Number processing unit is connected with one the 3rd route blender, the input signal processing unit, the 3rd route blender, and right
The output channel that answers is divided into four groups for two one group in order, and per group of inside, the 3rd path control deivce is used at signal
The output signal of reason unit is input in all output channels of the group.
The FIR filter is used for realizing that the automatic straightening to phase place, the method for entering line phase automatic straightening are：By one
Individual built-in Wizard FIR Software Testing Tools, to calculate FIR filter, by the external sound card of band ASIO communications protocol,
The input channel and the output channel being connected on equipment of MIC is connected, is then measured, calculate a FIR filtering
Device is with the asymmetry FIR filter of correcting system phase place 1024taps, or imports resource from third party software to generate FIR
Filter factor, carries out phase place is corrected；Due to phase place is corrected FIR be non-symmetric that is, it is possible to adjust or
Person reduces FIR and postpones, therefore, even in the case of performing at the scene, even phase place is corrected FIR is run simultaneously with by final
The FIR tandems for calculating are applied to frequency dividing, and without a doubt.
The method for realizing compatible third party software is：By built-in Wizard FIR Software Testing Tools, user can be with
It is stored in equipment measured FIR filter coefficient is surveyed, or FIR filter coefficient is saved in PC, system is saved in
There are 2 name identical documents inside PC, but which extends name difference：One is " .Mfi ", and another is " txt ", and FIR is filtered
Ripple device can be imported in 4 input channels with the form of .txt according to user preferences, but realizes compatible third party software.
In the present embodiment, set between the compressor and corresponding 3rd route blender of each output signal processing unit
There is output mute to switch, the output mute switchs opening or closing for controlled output signal processing unit.
Sound box processor of the present utility model has following advantages：
1：DSP process：2x MARANI M716,24x32 positions filter process, 54 accumulator registers, in 96 precision
Between data operation result；
2：Automatic phase corrects FIR process parts：Asymmetry, 1024Taps, perfect compatibility third-party application software；
3：4 input channels have the asymmetry FIR dividing filter of up to 1024Taps for correcting phase place, wherein
FIR factors can be generated by machine oneself, it is also possible to imported from third-party application；
4:The process of input channel DSP：30 sections of equalization parameter wave filters, noise gate function, gain control, adjustable delay and phases
Position, RMS pressure limits, pink/white noise generator etc.；
5:The process of output channel DSP：8 sections of equalization parameter wave filters, high/low bandpass filter, adjustable delay and phase place, gain
Control, peak value and RMS pressure limit etc.；
6:Route：Support complete matrix audio mixing pattern
7:User preset：Highest can store 8 user presets
8:FIR can be imported in 4 input channels with the form of .txt according to user preferences
Lower mask body is further described in detail to each part：
Noise gate：Two kinds of noise generators of white noise and pink noise are provided to each input channel；
Input-gain control circuit：Input channel level can be arranged to each input channel, scope is from -18dB to+12dB；
Input time delay control circuit：The delay time can arranged by each input channel from 000.0000mS to
480.9984mS；
Input phase control circuit：Positive " Normal " and reverse " Invert " shape is may be configured as to each input channel
State；
30 sections of parameter filters：To each input channel, there are 30 sections of parameter filters select respectively, each parameter is equal
Weighing apparatus wave filter can select BELL, snow not, high pass, low pass, band logical, trap and all-pass filter.The class of equalization parameter wave filter
Type includes optional with Types Below：Peaking_Eq/Hi-Shelv 1/Hi-Shelv 2/Hi-Shelv Q/Lo-Shelv 1/Lo-
Shelv 2/Lo-Shelv Q/Low-Pass 1/Low-Pass 2/Low-Pass Q/High-Pass1/High-Pass2/
High-Pass Q/Band-Pass/Notch Filt/All Pass 1/All Pass 2；
Input RMS compressors：To each input channel, RMS pressure limits open control threshold range：- 10dBu arrives+20dBu；RMS is pressed
Limit flex point：0%～100%；RMS opens the control time：5ms～200ms；
Input silence switch：To each input channel, input signal " opening " or " closing " may be selected；
The first via is by blender：Four input channels can be given the signal of arbitrary input channel；
FIR filter：Asymmetry, 1024Taps can perfect compatibility third-party application software；
Secondary route blender：Eight output channels can be given arbitrary input channel through the signal after FIR process；
High/low bandpass filter：To each output channel, the selection and setting of high/low bandpass filter can be carried out.High/low logical
The frequency range of wave filter is from 20Hz to 20kHz；Band filter type is as follows：Bypass/BW-6dB/Oct/BW-12dB/Oct/
LR-12dB/Oct/BS-12dB/Oct/BW-18dB/Oct/BW-24dB/Oct/LR-24dB/Oct/BS-24dB/Oct/BW-
36dB/Oct/LR-36dB/Oct/BW-48dB/Oct/LR-48dB/Oct/；
8 sections of parameter filters：To each output channel, there are 8 sections of parameter filters select respectively, each equalization parameter
Wave filter can select BELL, snow not, high pass, low pass, band logical, trap and all-pass filter.The type of equalization parameter wave filter
Including optional with Types Below：Peaking_Eq/Hi-Shelv 1/Hi-Shelv 2/Hi-Shelv Q/Lo-Shelv 1/Lo-
Shelv 2/Lo-Shelv Q/Low-Pass 1/Low-Pass 2/Low-Pass Q/High-Pass1/High-Pass2/
High-Pass Q/Band-Pass/Notch Filt/All Pass 1/All Pass 2；
Output delay controller：Delay time can be set to each output channel from 000.0000mS to 270.9984mS；
Output phase controller：Positive " Normal " and reverse " Invert " state is may be configured as to each output channel；
Output RMS compressors：To each output channel, RMS pressure limits open control threshold range：- 10dBu arrives+20dBu；RMS is pressed
Limit flex point：0%～100%；RMS opens the control time：5ms～200ms；
Output gain controller：Output channel level can be arranged to each output channel, scope is from -18dB to+12dB；
Limiter：The pressure limit that output channel can be arranged to each output channel is limited, and control threshold range is opened in pressure limit restriction：-
10dBu to+20dBu.Pressure limit limits release time scope：0.1sec-5sec, arranges pressure limit with PM3 encoders and opens control time model
Enclose：1ms-900ms；
Output mute is switched：To each output channel, output signal " opening " or " closing " may be selected；
3rd route blender：Can the signal of 1/ output channel 2 of output channel to output channel 1, output channel 2 or
Simultaneously to output channel 1 and output channel 2；Can be the signal of 3/ output channel 4 of output channel to output channel 3, output channel 4
Or simultaneously to output channel 3 and output channel 4；Can be the signal of 5/ output channel 6 of output channel to output channel 5, output
Passage 6 gives output channel 5 and output channel 6 simultaneously；Can the signal of 7/ output channel 8 of output channel to output channel 7,
Output channel 8 gives output channel 7 and output channel 8 simultaneously；
Eight output channels：Four enter eight goes out FIR sound box processors and has eight output channels.
In the present embodiment, the FIR series of audio processor of integration is with simulation or AES3 inputs, FIR phase place is correcteds, mesh
Mark EQ, the asymmetry FIR Taps for carrying out phase place is corrected is up to 1024, while highly compatible third party's FIR test softwares.
Above-described embodiment is the utility model preferably embodiment, but embodiment of the present utility model is not by upper
State the restriction of embodiment, other any without departing from the change that is made under Spirit Essence of the present utility model and principle, modify, replace
Generation, combination, simplification, should be equivalent substitute mode, are included within protection domain of the present utility model.
Claims (8)
1. one kind four is entered eight and goes out FIR sound box processors, it is characterised in that process list including 4 input channels, 4 input signals
Unit, 4 first via are by blender, 4 FIR filters, 4 secondary route blenders, 8 output signal processing units and 8
Individual output channel；Each input channel connects an input signal processing unit, and each input signal processing unit connects one
The first via is used for the signal input of either input signal processing unit to FIR filter by blender by blender, the first via,
It is connected with 4 FIR filters by blender per the first via of road input signal processing unit connection, each FIR filter connects
A secondary route blender is connect, after the secondary route blender is used for arbitrary input channel to process through FIR filter
To output signal processing unit, each secondary route blender is connected signal input with 8 output signal processing units, each
Output signal processing unit is connected respectively output channel all the way.
2. according to claim 1 four enter eight and go out FIR sound box processors, it is characterised in that each input signal processes single
First Noise gate for including being sequentially connected electrically, input gain controller, input time delay controller, input phase controller, 30 sections of ginsengs
Wavenumber filter and input RMS compressors.
3. according to claim 2 four enter eight and go out FIR sound box processors, it is characterised in that process in each input signal
Input silence switch is provided between the input RMS compressors of unit and the first router, and the input silence switch is used for controlling
Input channel is opened or closed.
4. according to claim 1 four enter eight and go out FIR sound box processors, it is characterised in that each output signal processes single
Unit include successively the high-pass and low-pass filter of signal connection, 8 sections of parameter filters, output delay controller, output phase controller,
Output RMS compressors, output gain controller and limiter.
5. according to claim 4 four enter eight and go out FIR sound box processors, it is characterised in that each output signal processes single
Unit is connected with one the 3rd route blender, the input signal processing unit, the 3rd route blender, and corresponding output
Passage is divided into four groups for two one group in order, and per group of inside, the 3rd path control deivce is used for signal processing unit
Output signal is input in all output channels of the group.
6. according to claim 5 four enter eight and go out FIR sound box processors, it is characterised in that process in each output signal
Output mute switch is provided between the compressor of unit and corresponding 3rd route blender, the output mute is switched for controlling
Output signal processing unit processed is opened or closed.
7. according to claim 2 four enter eight and go out FIR sound box processors, it is characterised in that each signal input is processed
Unit, the pressure limit of the input RMS compressors open control threshold range：- 10dBu arrives+20dBu；RMS pressure limit flex points：0%～
100%；RMS opens the control time：5ms～200ms.
8. according to claim 4 four enter eight and go out FIR sound box processors, it is characterised in that each output channel can be set
Output channel level is put, scope is from -18dB to+12dB；
To signal input processing unit, the pressure limit of the output RMS compressors opens control threshold range：- 10dBu arrives+20dBu；RMS
Pressure limit flex point：0%～100%；RMS opens the control time：5ms～200ms；
Control threshold range is opened in the limiter pressure limit restriction：- 10dBu to+20dBu, pressure limit limit release time scope：
0.1sec-5sec, arranges pressure limit with PM3 encoders and opens control time range：1ms-900ms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621051032.5U CN206024079U (en) | 2016-09-12 | 2016-09-12 | Four enter eight goes out FIR sound box processors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621051032.5U CN206024079U (en) | 2016-09-12 | 2016-09-12 | Four enter eight goes out FIR sound box processors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206024079U true CN206024079U (en) | 2017-03-15 |
Family
ID=58258280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621051032.5U Active CN206024079U (en) | 2016-09-12 | 2016-09-12 | Four enter eight goes out FIR sound box processors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206024079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303799A (en) * | 2016-09-12 | 2017-01-04 | 广州声德电子有限公司 | Four enter eight goes out FIR sound box processor and control method thereof |
-
2016
- 2016-09-12 CN CN201621051032.5U patent/CN206024079U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303799A (en) * | 2016-09-12 | 2017-01-04 | 广州声德电子有限公司 | Four enter eight goes out FIR sound box processor and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Välimäki et al. | All about audio equalization: Solutions and frontiers | |
| CN104620602B (en) | System and method for the stereo field domain enhancing in two-channel audio system | |
| CN101884227B (en) | Audio signal processing | |
| CN106572419B (en) | A kind of stereo audio enhancing system | |
| US20190362733A1 (en) | Multichannel echo cancellation circuit and method and smart device | |
| CN1863416B (en) | Audio device and method for generating surround sound | |
| WO2009102750A1 (en) | Stereophonic widening | |
| CN106412765B (en) | Audio power amplifier device | |
| WO2010127283A1 (en) | Spectral management system | |
| CN105959874A (en) | Mobile terminal and method of reducing audio frequency noise | |
| WO2002009474A2 (en) | Stereo audio processing device | |
| EP2466914A1 (en) | Speaker array for virtual surround sound rendering | |
| CN106535062A (en) | Dante digital audio processing method, system and device based on DSP | |
| CN103812462B (en) | Volume control method and device | |
| CN103796136A (en) | Equipment and method for ensuring output loudness and tone quality of different sound effect modes | |
| CN105120398B (en) | A kind of speaker and sound box system | |
| US20160119709A1 (en) | Sound reproduction system with a tactile interface for equalization selection and setting | |
| CN100539741C (en) | Strengthen the audio-frequency processing method of 3-D audio | |
| KR20200143516A (en) | Subband spatial processing and crosstalk cancellation system for conferencing | |
| CN206024079U (en) | Four enter eight goes out FIR sound box processors | |
| JPH06112743A (en) | Correction device of acoustic signal distortion by making use of audible frequency band division | |
| CN206024078U (en) | Four enter four goes out FIR sound box processors | |
| CN206061099U (en) | Two enter six goes out FIR sound box processors | |
| CN102860047B (en) | The control method of hearing aids and hearing aids | |
| CN106303799A (en) | Four enter eight goes out FIR sound box processor and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |