CN101359471B - Audio processing system - Google Patents
Audio processing system Download PDFInfo
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- CN101359471B CN101359471B CN2007101296559A CN200710129655A CN101359471B CN 101359471 B CN101359471 B CN 101359471B CN 2007101296559 A CN2007101296559 A CN 2007101296559A CN 200710129655 A CN200710129655 A CN 200710129655A CN 101359471 B CN101359471 B CN 101359471B
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Abstract
The invention provides an audio signal processing system which comprises a plurality of processing devices and a processing module. The processing devices are used for generating a plurality of output signals. The processing module is used for operating the output signals to generate an output result signal. Each processing device comprises a control module, a time sequence generation module, a storage module and a conversion module. The control module is used for receiving an input control signal, generating a first control signal and a second control signal. The time sequence generation module is used for generating a time sequence signal according to the second control signal. The storage module is used for receiving and storing an audio signal, and generating a storage signal according to the first control signal and the time sequence signal. The conversion module is used for converting the storage signal into the output signal. The audio signal processing system can effectively eliminate the influence of the external environment factors and improve the quality and effect of the generated echo.
Description
Technical field
The present invention provides a kind of disposal system, refer to especially a kind of in order to promote echo (Echo) effect audio frequency processing system.
Background technology
Along with the progress and industrial and commercial flourishing result of science and technology, music is being played the part of important role gradually in people's life.And music appreciating has almost become one of stress-relieving activity of modern.For example, soft music can effectively releive living pressure, improve mood or the like, therefore, different music products and output quality are also different because of people's demand.
The principle of work that the known digital audio process produces echo (Echo) effect is to utilize one group of analog-digital converter (A/D Converter); With the input analog signal conversion become digital signal after; But it is write in the storer of arbitrary access, then read the stored data of this storer and produce a digital signal, convert this digital signal to a simulating signal via a digital analog converter (D/A Converter) and export; So can the simulating signal of input be postponed; To pass through the simulating signal that postpones back output again and feed back on the one hand with after the simulating signal of general input is mixed, and input to aforementioned analog-digital converter again, the simulating signal of then delayed back being exported is on the other hand delivered to output amplifier; This simulating signal is amplified with the promotion loudspeaker, and produce sound with echo effect.
Yet, because the echo effect that digital audio processor produced of single order can't satisfy the influence of external environment; For the consumer who requires the high sound quality now, can not satisfy its demand, therefore; How to promote the quality of the echo effect that sound signal produces; Make its influence that does not receive the external environment factor, produce best echo effect, become a kind of important topic of audio process.
Summary of the invention
Therefore, one of the object of the invention is to provide a kind of audio frequency processing system, and a kind of echo effect that can effectively overcome the external environment factor affecting is provided.
The present invention provides a kind of audio frequency processing system; Comprise: one first treating apparatus; In order to receiving an input signal, and produce one first output signal, wherein this first treating apparatus comprises: one first control module; In order to receive one first input control signal, produce one first control signal and one second control signal respectively; One first sequence generation module is coupled to this first control module, in order to according to this second control signal, produces one first clock signal, and receives a sequential input signal, in order to according to this sequential input signal, produces sequential output signal; One first memory module is coupled to this first control module and this first sequence generation module, in order to receiving and to store a sound signal, and according to this first control signal and this first clock signal, produces one first storage signal; One first modular converter is coupled to this first memory module, in order to this first storage signal is converted into this first output signal; One wave filter is coupled to this first modular converter, and in order to this first output signal is carried out filtering, wherein, the synthetic mutually back of filtered this first output signal and this input signal produces a simulating signal; And an analog-digital converter, be coupled to this first memory module, in order to being this sound signal of digital format with this analog signal conversion; One second treating apparatus, in order to produce one second output signal, wherein this second treating apparatus comprises: one second control module in order to receive one second input control signal, produces one the 3rd control signal and one the 4th control signal respectively; One second sequence generation module is coupled to this second control module and this first sequence generation module, in order to according to the 4th control signal and this sequential output signal, produces one second clock signal; One second memory module; Be coupled to this second control module, this second sequence generation module and this first memory module; In order to receiving and to store this first storage signal, and, produce one second storage signal according to the 3rd control signal and this second clock signal; And one second modular converter, be coupled to this second memory module, in order to this second storage signal is converted into this second output signal; And a processing module, this second output signal that is produced in order to this first output signal that this first treating apparatus is produced and this second treating apparatus carries out computing, to produce an output result signal.
Audio frequency processing system of the present invention, this first sequence generation module comprises a sequential adjustment unit in addition, in order to adjust the size of this first clock signal.
Audio frequency processing system of the present invention, this sequential adjustment unit is a variable resistor, this first sequence generation module produces this first clock signal of different clock pulse sizes through this variable-resistance resistance value of adjustment.
Audio frequency processing system of the present invention, this second sequence generation module comprises a sequential adjustment unit in addition, in order to adjust the size of this second clock signal.
Audio frequency processing system of the present invention, this sequential adjustment unit is a variable resistor, this second sequence generation module produces this second clock signal of different clock pulse sizes through this variable-resistance resistance value of adjustment.
Audio frequency processing system of the present invention; This processing module is a multiplier; This second output signal that is produced in order to this first output signal and this second treating apparatus that this first treating apparatus is produced carries out multiplying, produces this output result signal.
Audio frequency processing system of the present invention, this audio frequency processing system comprises in addition: an amplification module, be coupled to this processing module, in order to amplification that this output result signal is gained, produce an amplifying signal; And a loudspeaker, be coupled to this amplification module, in order to play this amplifying signal.
Audio frequency processing system of the present invention, this first input control signal that this first control module of this first treating apparatus is received is coupled to an earth terminal in order to this first control module with this first treating apparatus.
Audio frequency processing system of the present invention, the logic level of this first input control signal that this first control module of this first treating apparatus is received is a low level.
Audio frequency processing system of the present invention, the logic level of this second input control signal that this second control module of this second treating apparatus is received is a high level.
Audio frequency processing system of the present invention can effectively be eliminated the influence of external environment factor, promotes the quality and the effect of the echo that is produced.
Description of drawings
Fig. 1 is the synoptic diagram of audio frequency processing system of the present invention.
Fig. 2 is the synoptic diagram of treating apparatus included in the audio frequency processing system of the present invention.
Fig. 3 is the synoptic diagram of another specific embodiment of audio frequency processing system of the present invention.
Embodiment
See also Fig. 1, Fig. 1 is the synoptic diagram of audio frequency processing system of the present invention.As shown in Figure 1, audio frequency processing system 10 of the present invention comprises a plurality of treating apparatus 12 and a processing module 14.A plurality of treating apparatus 12 are in order to produce a plurality of output signal S
OUT, 14 a plurality of output signal S of processing module in order to a plurality of treating apparatus 12 are produced
OUTCarry out computing, to produce an output result signal S
ROIn an embodiment, processing module 14 is a multiplier, in order to a plurality of output signal S that a plurality of treating apparatus 12 are produced
OUTCarry out multiplying, produce output result signal S
ROIn addition, audio frequency processing system 10 comprises an amplification module 16 and a loudspeaker 18 in addition.Amplification module 16 is coupled to processing module 14, in order to output result signal S
ROThe amplification that gains produces an amplifying signal S
AMPLoudspeaker 18 is coupled to amplification module 16, in order to play this amplifying signal S
AMP
See also Fig. 1 and Fig. 2, Fig. 2 is the synoptic diagram of treating apparatus included in the audio frequency processing system of the present invention.Like Fig. 1 and shown in Figure 2, each treating apparatus comprises a control module 21, a sequential generation module 23, a memory module 25 and a modular converter 27 in a plurality of treating apparatus 12 that audio frequency processing system 10 of the present invention comprises.Control module 21 is in order to receive an input control signal S
IC, produce one first control signal S respectively
C1And one second control signal S
C2 Sequence generation module 23 is coupled to control module 21, in order to according to the second control signal S
C2, produce a clock signal S
TMemory module 25 is coupled to control module 21 and sequence generation module 23, in order to receive and to store a sound signal S
AU, and according to the first control signal S
C1And clock signal S
T, produce a storage signal S
M Modular converter 27 is coupled to memory module 25, in order to storage signal S
MConvert output signal S into
OUTIn an embodiment, modular converter 27 is a digital analog converter, in order to storage signal S
MConvert the output signal S of analog format into
OUT
Treating apparatus 12 comprises an analog-digital converter 29 in addition, is coupled to memory module 25, and analog-digital converter 29 is in order to a simulating signal S
ANConvert the sound signal S of digital format into
AUWherein, simulating signal S
ANBy an input signal S
INWith output signal S
OUTMix the back and form.Treating apparatus 12 comprises a wave filter 26 in addition, is coupled to modular converter 27 and analog-digital converter 29, and wave filter 26 is in order to output signal S
OUTAfter carrying out filtering, again with filtered output signal S
OUTTransfer to input signal S
INSynthetic mutually back produces simulating signal S
AN
See also Fig. 3, Fig. 3 is the synoptic diagram of another specific embodiment of audio frequency processing system of the present invention.As shown in Figure 3;, present embodiment comprises that one first treating apparatus 30 and one second treating apparatus 50 are example in passing the imperial examinations at the provincial level the included a plurality of treating apparatus of audio frequency processing system 20; Explain the principle of work of audio frequency processing system 20 of the present invention, wherein first treating apparatus 30 comprises one first control module 31, one first sequence generation module 33, one first memory module 35 and one first modular converter 37.First control module 31 is in order to receive one first input control signal S
IC1, produce one the one the first control signal S respectively
C11And one the one the second control signal S
C12First sequence generation module 33 is coupled to first control module 31, in order to according to the one the second control signal S
C12, produce one first clock signal S
T1 First memory module 35 is coupled to first control module 31 and first sequence generation module, 33, the first memory modules 35 in order to receive and to store one first sound signal S
AU1, and according to the one the first control signal S
C11And the first clock signal S
T1, produce one first storage signal S
M1First modular converter 37 is coupled to first memory module 35, in order to the first storage signal S
M1Convert the first output signal S into
OUT1
50 of second treating apparatus comprise one second control module 51, one second sequence generation module 53, one second memory module 55 and one second modular converter 57.Second control module 51 is in order to receive one second input control signal S
IC2, and according to the second input control signal S
IC2Produce one the two the first control signal S respectively
C21And one the two the second control signal S
C22One first sequence generation module, 33, the second sequence generation module 53 that second sequence generation module 53 is coupled to second control module 51 and first treating apparatus 30 are in order to according to the two the second control signal S
C22And the first one first sequential output signal S that produced of sequence generation module 33
TOUT1, produce one second clock signal S
T2 Second memory module 55 is coupled to second control module 51, second sequence generation module 53 and first memory module 35, in order to receive and to store the first storage signal S that first memory module 35 is produced
M1, and according to the two the first control signal S
C21And the second clock signal S
T2, produce one second storage signal S
M2Second modular converter 57 is coupled to second memory module 55, in order to the second storage signal S
M2Convert this second output signal S into
OUT2
In present embodiment, the one first input control signal S that first control module 31 is received
IC1In order to first control module 31 is carried out ground connection, promptly represent the first input control signal S
IC1Logic level be low level " Low ".Opposite, the one second input control signal S that second control module 55 is received
IC2For logic level is the signal of high level " High ".Audio frequency processing system 20 of the present invention produces the first output signal S through first treating apparatus 30 and second treating apparatus 50 respectively according to aforesaid way
OUT1And the second output signal S
OUT2After, processing module 80 is further with the first output signal S
OUT1And the second output signal S
OUT2In conjunction with and produce an output result signal S
RO, follow by amplification module 82 this output result signal S
ROGain after the amplification, produce amplifying signal S
AMP, see through loudspeaker 84 and play, promptly accomplish the action of audio frequency processing system 20 of the present invention, and produce the echo effect that can overcome the external environment factor.
Audio frequency processing system of the present invention; Utilize the mode of folded (Cascade) a plurality of treating apparatus of string, produce a plurality of output signals respectively, again the output signal combination that each treating apparatus produced is become an output result signal at last; After the amplification module amplification; Utilize loudspeaker to export, so can overcome the echo that in the past only used the single audio frequency processor to be produced, the problem of poor effect; Audio frequency processing system of the present invention can effectively be eliminated the influence of external environment factor, promotes the quality and the effect of the echo that is produced.
The above is merely preferred embodiment of the present invention; So it is not in order to limit scope of the present invention; Any personnel that are familiar with this technology; Do not breaking away from the spirit and scope of the present invention, can do further improvement and variation on this basis, so the scope that claims were defined that protection scope of the present invention is worked as with the application is as the criterion.
The simple declaration of symbol is following in the accompanying drawing:
10,20: audio frequency processing system
12,30,50: treating apparatus
24: the sequential adjustment unit
26,36: wave filter
31,51: control module
33,53: sequence generation module
35,55: memory module
37,57: modular converter
82: amplification module
84: loudspeaker
80: processing module
S
T1, S
T2: clock signal
S
AU1: sound signal
S
M1, S
M2: storage signal
S
OUT, S
OUT1, S
OUT1: the output signal
S
RO: output result signal
S
AMP: amplifying signal
S
AN1: simulating signal
V
GND: earth terminal
S
IN: input signal
S
TIN1, S
TIN: the sequential input signal
S
TOUT1, S
TOUT: sequential output signal
Claims (10)
1. an audio frequency processing system is characterized in that, comprising:
One first treating apparatus in order to receiving an input signal, and produces one first output signal, and wherein this first treating apparatus comprises:
One first control module in order to receive one first input control signal, produces one first control signal and one second control signal respectively;
One first sequence generation module is coupled to this first control module, in order to according to this second control signal, produces one first clock signal, and receives a sequential input signal, in order to according to this sequential input signal, produces sequential output signal;
One first memory module is coupled to this first control module and this first sequence generation module, in order to receiving and to store a sound signal, and according to this first control signal and this first clock signal, produces one first storage signal;
One first modular converter is coupled to this first memory module, in order to this first storage signal is converted into this first output signal;
One wave filter is coupled to this first modular converter, and in order to this first output signal is carried out filtering, wherein, the synthetic mutually back of filtered this first output signal and this input signal produces a simulating signal; And
One analog-digital converter is coupled to this first memory module, in order to being this sound signal of digital format with this analog signal conversion;
One second treating apparatus, in order to produce one second output signal, wherein this second treating apparatus comprises:
One second control module in order to receive one second input control signal, produces one the 3rd control signal and one the 4th control signal respectively;
One second sequence generation module is coupled to this second control module and this first sequence generation module, in order to according to the 4th control signal and this sequential output signal, produces one second clock signal;
One second memory module; Be coupled to this second control module, this second sequence generation module and this first memory module; In order to receiving and to store this first storage signal, and, produce one second storage signal according to the 3rd control signal and this second clock signal; And
One second modular converter is coupled to this second memory module, in order to this second storage signal is converted into this second output signal; And
One processing module, this second output signal that is produced in order to this first output signal and this second treating apparatus that this first treating apparatus is produced carries out computing, to produce an output result signal.
2. audio frequency processing system according to claim 1 is characterized in that, this first sequence generation module comprises a sequential adjustment unit in addition, in order to adjust the size of this first clock signal.
3. audio frequency processing system according to claim 2 is characterized in that, this sequential adjustment unit is a variable resistor, and this first sequence generation module produces this first clock signal of different clock pulse sizes through this variable-resistance resistance value of adjustment.
4. audio frequency processing system according to claim 1 is characterized in that, this second sequence generation module comprises a sequential adjustment unit in addition, in order to adjust the size of this second clock signal.
5. audio frequency processing system according to claim 4 is characterized in that, this sequential adjustment unit is a variable resistor, and this second sequence generation module produces this second clock signal of different clock pulse sizes through this variable-resistance resistance value of adjustment.
6. audio frequency processing system according to claim 1; It is characterized in that; This processing module is a multiplier; This second output signal that is produced in order to this first output signal and this second treating apparatus that this first treating apparatus is produced carries out multiplying, produces this output result signal.
7. audio frequency processing system according to claim 1 is characterized in that, this audio frequency processing system comprises in addition:
One amplification module is coupled to this processing module, in order to amplification that this output result signal is gained, produces an amplifying signal; And
One loudspeaker is coupled to this amplification module, in order to play this amplifying signal.
8. audio frequency processing system according to claim 1 is characterized in that, this first input control signal that this first control module of this first treating apparatus is received is coupled to an earth terminal in order to this first control module with this first treating apparatus.
9. audio frequency processing system according to claim 8 is characterized in that, the logic level of this first input control signal that this first control module of this first treating apparatus is received is a low level.
10. audio frequency processing system according to claim 9 is characterized in that, the logic level of this second input control signal that this second control module of this second treating apparatus is received is a high level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101296559A CN101359471B (en) | 2007-08-01 | 2007-08-01 | Audio processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101296559A CN101359471B (en) | 2007-08-01 | 2007-08-01 | Audio processing system |
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| Publication Number | Publication Date |
|---|---|
| CN101359471A CN101359471A (en) | 2009-02-04 |
| CN101359471B true CN101359471B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101296559A Active CN101359471B (en) | 2007-08-01 | 2007-08-01 | Audio processing system |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4237343A (en) * | 1978-02-09 | 1980-12-02 | Kurtin Stephen L | Digital delay/ambience processor |
| US5091951A (en) * | 1989-06-26 | 1992-02-25 | Pioneer Electronic Corporation | Audio signal data processing system |
-
2007
- 2007-08-01 CN CN2007101296559A patent/CN101359471B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4237343A (en) * | 1978-02-09 | 1980-12-02 | Kurtin Stephen L | Digital delay/ambience processor |
| US5091951A (en) * | 1989-06-26 | 1992-02-25 | Pioneer Electronic Corporation | Audio signal data processing system |
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| Publication number | Publication date |
|---|---|
| CN101359471A (en) | 2009-02-04 |
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Application publication date: 20090204 Assignee: Universal technology (Shenzhen) Co., Ltd. Assignor: Pucheng Science and Technology Co., Ltd. Contract record no.: 2013990000901 Denomination of invention: Audio frequency processing system and method Granted publication date: 20121128 License type: Exclusive License Record date: 20131231 |
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Application publication date: 20090204 Assignee: Universal technology (Shenzhen) Co., Ltd. Assignor: Pucheng Science and Technology Co., Ltd. Contract record no.: 2013990000901 Denomination of invention: Audio frequency processing system and method Granted publication date: 20121128 License type: Exclusive License Record date: 20131231 |
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Effective date of registration: 20180703 Address after: No. 1, No. 3, No. 3, West Core Avenue, Chengdu Hi-tech Zone, Sichuan Patentee after: Pucheng Powerise (Chengdu) Technology Co. Ltd. Address before: Taiwan County, Taipei, China Patentee before: Pucheng Science and Technology Co., Ltd. |