CN1968473A - Audi0 signal processing method by receive signal strength indicator, and the mobile terminal therefor - Google Patents
Audi0 signal processing method by receive signal strength indicator, and the mobile terminal therefor Download PDFInfo
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- CN1968473A CN1968473A CNA2006101406963A CN200610140696A CN1968473A CN 1968473 A CN1968473 A CN 1968473A CN A2006101406963 A CNA2006101406963 A CN A2006101406963A CN 200610140696 A CN200610140696 A CN 200610140696A CN 1968473 A CN1968473 A CN 1968473A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
- H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
Abstract
The present invention discloses an audio signal processing method on the basis of signal strength and the mobile terminal thereof, comprising the following parts: a memorizer used for storing amplification gain tables which exhibits different amplification gains to received signals with different strengths; a radio-frequency part used for receiving radio signals from base stations; an audio signal processing part used for amplifying and dealing with audio signals according to amplification gains received; a control part used for searching said amplification gain tables for amplification gains corresponding to signal strength received from said base stations through said radio-frequency part and transferring it to said audio signal processing part. According to the present invention mentioned above, a mobile terminal is provided with an amplification gain table exhibiting different amplification gains to received signals with different strengths, then the effect of TDMA noise is effectively reduced by changing amplification gains during the audio signal processing on the basis of signal strength received.
Description
Technical field
The voice signal that the present invention relates to mobile communication terminal is handled relevant technology, regulate the gain amplifier that is used for processes voice signals according to the electric wave environment in the more detailed mobile communication terminals such as relating to a kind of GSM of making (Global System for Mobile communication-global system for mobile communications) terminal of saying so, thereby make tonequality optimized method of speech processing and mobile communication terminal based on received signal intensity.
Background technology
GSM is Europe and other regional widely used digital mobile telephone system, GSM is the mutation of TDMA (Timedivision multiple access-time division multiple access), its be with together the most widely used 3 the digital radiotelephonies of TDMA, CDMA in one.In the GSM technology, after data are carried out digitlization and compress, itself and two other user data are together transmitted by a channel, each data will transmit in the intrinsic time period respectively, and GSM can use in 900MHz and 1800MHz frequency band.
GSM has in fact become wireless telephonic standard in Europe, GSM has the user more than 100,000,000 2,000 ten thousand and is used in 120 countries in the whole world, because a lot of GSM Virtual network operators have roaming agreement with external operator's signing, also can continue to use the mobile phone of oneself when the user travels abroad.
In addition, in the GSM terminal, under the situation of the communication mode of use TDMA, a communication interval that only distributes is carried out a data communication in the GSM terminal, with the base station transceiver data time, come and go the line data of going forward side by side in will deliver letters interval and the collection of letters interval and receive and dispatch.
At this moment, the consumed power used of the interval of GSM terminal beyond the communication interval that distributes, and the deliver letters interval of base station when carrying out data transmit-receive in have than big-difference between the consumed power used in the consumed power used and the collection of letters interval.That is, the consumed power of using in the interval of delivering letters is more much bigger than the consumed power of using in interval beyond the communication interval and the collection of letters interval, thereby will produce the TDMA noise of certain frequency.
And when the electric wave environment that is positioned at weak electric field in the GSM terminal increased the power of delivering letters, the TDMA noise was with even more serious and cause reducing speech quality.
In addition, GSM terminal of the prior art is used fixing gain amplifier when processes voice signals, the gain amplifier of said fixing is to be in the value that normal electrical ripple environment is the benchmark setting with the GSM terminal, thereby can't tackle the situation that speech quality reduces under the electric wave environment of weak electric field neatly.
Summary of the invention
It is a kind of in mobile communication terminals such as GSM terminal during processes voice signals that technical problem to be solved by this invention is to provide, carry out the speech processes operation corresponding, thereby can obtain to broadcast the audio signal processing method and the mobile communication terminal of optimization voice with the variation of electric wave environment.
In order to achieve the above object, mobile communication terminal among the present invention, it is characterized in that, comprise following components: be used to store the memory that has the gain amplifier table of different gain amplifiers by different received signal intensity (RSSI:Receive Signal Strengthindicator); Be used for receiving the radio-frequency part of wireless signal from the base station; According to the gain amplifier that inserts voice signal is amplified the also speech processes portion of processes voice signals; From above-mentioned gain amplifier table retrieval with by the received signal intensity corresponding gain amplifier of above-mentioned radio-frequency part from the wireless signal of above-mentioned base station reception, and send it control part of above-mentioned speech processes portion to.
And the present invention is characterized in that: above-mentioned gain amplifier comprises PGA (Programmable GainAmplifier-programmable gain amplifier) gain and volume ride gain (volume control gain).
And the present invention is characterized in that: above-mentioned gain amplifier has the value that is directly proportional with received signal intensity.
And the present invention is characterized in that, comprises in the above-mentioned control part: be used to detect by the RSSI test section of above-mentioned radio-frequency part from the received signal intensity of the wireless signal of above-mentioned base station reception; Be used for from above-mentioned memory search with by the corresponding gain amplifier of the detected received signal intensity of above-mentioned RSSI test section, and send it gain amplifier control part of above-mentioned speech processes portion to.
And, in order to achieve the above object, the method of speech processing of the mobile communication terminal among the present invention, it is characterized in that, comprise and draw together following step: structure has the 1st step of the gain amplifier table of different gain amplifiers by different received signal intensity (RSSI:ReceiveSignal Strength indicator); From the received signal intensity corresponding gain amplifier of above-mentioned gain amplifier table search, and utilize corresponding gain amplifier to carry out the 2nd step that voice signal is handled with the wireless signal that receives from the base station.
And the present invention is characterized in that, comprises in above-mentioned the 2nd step: the step that detects the received signal intensity of the wireless signal that receives from above-mentioned base station; From above-mentioned gain amplifier table search and the corresponding gain amplifier of above-mentioned detected received signal intensity, and utilize corresponding gain amplifier to carry out the step that voice signal is handled.
And the present invention is characterized in that: above-mentioned gain amplifier has the value that is directly proportional with received signal intensity.
Adopt mobile communication terminal of the present invention, it is provided with the gain amplifier table that has different gain amplifiers by different received signal intensity, make according to received signal intensity to change the gain amplifier that uses in the voice signal processing, thereby can effectively reduce the influence of TDMA noise.
Description of drawings
Fig. 1 is the structured flowchart of the mobile communication terminal in one embodiment of the invention;
Fig. 2 is the chart of the characteristic of the gain amplifier table that uses in the mobile communication terminal of expression one embodiment of the invention;
Fig. 3 is the action flow chart of processes voice signals in the mobile communication terminal of one embodiment of the invention.
The symbol description of accompanying drawing major part
100: mobile communication terminal 110: memory
120: control part 121: the mobile communication handling part
122: received signal intensity (RSSI) test section 123: gain amplifier control part
130: radio-frequency part 140: speech processes portion
150: raise one's voice 160: microphone
170: key input part 180: display part
190: subscriber identification module
Embodiment
With reference to the accompanying drawings the embodiment among the present invention is described in detail.
Fig. 1 is the structured flowchart of the mobile communication terminal in one embodiment of the invention.
With reference to accompanying drawing 1, mobile communication terminal in one embodiment of the invention is the GSM terminal, and it comprises following several sections: be used to store the memory 110 that has the gain amplifier table of different gain amplifiers by different received signal intensity (RSSI:Receive Signal Strengthindicator); The gain amplifier of storage in the memory 110 is set in the control part 120 of speech processes portion 140 according to received signal intensity; Radio-frequency part 130; Amplify the also speech processes portion 140 of processes voice signals according to the gain amplifier of setting by control part 120; Loud speaker 150; Microphone 160; The key input part 170 that constitutes by button; The display part 180 that shows the menu item of selecting by control part 120 by the picture window; Subscriber identification module 190.
Wherein, store the gain amplifier table (table) that has the different gain amplifiers that is used for processes voice signals by different received signal intensity in the above-mentioned memory 110, the gain amplifier of storing in the gain amplifier table of above-mentioned memory 110 comprises PGA (Programmable GainAmplifier-programmable gain amplifier) gain and the volume ride gain (volume control gain) based on received signal intensity.
And, program that interim storage control part 120 is carried out in the above-mentioned memory 110 or the data of handling by said procedure, and, the also short message that receives of storage and telephonedirectory etc. in the above-mentioned memory 110, above-mentioned memory 110 is by the read-only memory at random (ROM) of storage action program, erasable random-access memory (EEPROM) and the random-access memory formations such as (RAM) removed that can carry out the electricity programming.
In the gain amplifier table of above-mentioned memory 110 stored, consider to determine PGA gain and volume ride gain according to received signal intensity and the aspect that reduces the TDMA noise.For example, in the stronger zone of received signal intensity because TDMA noise composition shared ratio in whole voice signal is small, so the time will determine to increase PGA gain and volume ride gain so that the volume increase of voice signal.
In addition, in the more weak zone of received signal intensity, because TDMA noise composition shared ratio in whole voice signal is not little, when increasing PGA gain and volume ride gain, the TDMA noise will become big relatively and cause reducing tonequality.
Therefore, in the more weak zone of received signal intensity, will reduce PGA gain and volume ride gain so that reduce the ratio that TDMA noise composition is exaggerated.
Fig. 2 is the schematic diagram with the characteristic of the gain amplifier table of storage in the chart display-memory 110.Only illustrate the proportional relation between RSSI and PGA gain and the volume ride gain in the above-mentioned chart rather than illustrate experiment value accurately.
In the chart of Fig. 2, RSSI is the closer to the very poor state of its expression electric wave reception environment of-85dBm, RSSI the closer to-its expression received signal intensity of 155dBm is very strong and be the good state of electric wave reception environment.
PGA gain has+6dB and-value between the 6dB, wherein ,+6dB is the minimum state of PGA gain, and-6dB is the maximum state of PGA gain.
In the volume ride gain ,-24dB is the volume control hierarchy (level) of the degree that almost is eliminated of volume, and 0dB is the volume control hierarchy when maximum with the volume furnishing.
Thus, when observing chart, when RSSI close-85dBm makes under the more weak state of received signal intensity, the PGA gain is with close+6dB and have the lower value of PGA gain, the volume ride gain is also close-24dB and have the lower value of volume ride gain.
Promptly, when RSSI close-85dBm receives under the state of difficulty the relatively poor and voice signal of electric wave reception environment, PGA gain and volume ride gain are set at lower value, make the TDMA noise also have lower gain amplifier and amplify, thereby can reduce the influence of TDMA noise.
In addition, when observing chart, when RSSI close-the stronger state of 105dBm received signal intensity under, the PGA gain is with close-6dB and have the higher value of PGA gain, the volume ride gain is also close-0dB and have the higher value of volume ride gain.
Promptly, when RSSI close-105dBm makes the electric wave reception environment better and under the state of voice signal reception good, PGA gain and volume ride gain are set at higher value, even if make the TDMA noise obtain simultaneously amplifying, the amplification ratio of TDMA noise and voice signal than the time general very small and can ignore.
As an example that makes up the gain amplifier table of storage in the memory 110, when RSSI during for-85dBm with the PGA gain setting for the situation that is worth 3dB arbitrarily under (numerically not being to be consistent example shown in the chart of Fig. 2), above-mentioned 3dB is being appointed as under the state of integer i, when RSSI be-i is-1 (dB) during 90dBm; When RSSI be-during 95dBm i for-2 (dB) when RSSI during for-100dBm i for-3 (dB) when RSSI during for-105dBm i be-4 (dB)
Identical with it, when RSSI have-85dBm is during to the value the between-105dBm, the volume ride gain will have variable value at 0dB with the unit (scale) of-6dB in the scope of-24dB.That is, according to the received signal intensity of RSSI with the volume ride gain from the stronger environment of RSSI to more weak environment with 0dB ,-6dB ,-12dB ,-18dB ,-order of 24dB sets.
To be not 0dB in the volume ride gain work in the scope of-24dB some mobile communication terminal, but may have-6dB to the value the between-24dB or-0dB is to the value the between-18dB.At this moment, have-6dB under the situation of the value the between-24dB, with make be set at have-6dB ,-12dB ,-18dB ,-some values among the 24dB; Have-0dB under the situation of the value the between-18dB, with make be set at have-0dB ,-6dB ,-12dB ,-some values among the 18dB.
Comprise mobile communication handling part 121, RSSI test section 122 and gain amplifier control part 123 in the above-mentioned control part 120.
Wherein, mobile communication handling part 121 is to be used for utilizing Radio Resource to carry out the module of mobile communication service at mobile communication terminal, and it uses known mobile communication technology to constitute the work of taking action of going forward side by side, so will save detailed description thereof at this.
RSSI test section 122 is used to detect the received signal intensity of the wireless signal of the base station that receives by radio-frequency part 130.
Gain amplifier control part 123 will retrieve PGA gain corresponding with corresponding received signal intensity and volume ride gain and send speech processes portion 140 to according to the received signal intensity by RSSI test section 122 detected base stations from memory 110.
When will carrying out the speech processes operation in speech processes portion 140, PGA gain that above-mentioned gain amplifier control part 123 transmits and volume ride gain use.
Radio-frequency part 130 is controlled by above-mentioned control part 120, and above-mentioned radio-frequency part 130 is carried out frequency decline conversion and distinguished the kind of data and export to control part 120 or export to speech processes portion 140 it when receiving wireless frequency signal by antenna (ANT).
Paging signal and signaling (signaling) signal that the data that above-mentioned radio-frequency part 130 is exported to control part 120 have lteral data or receive by paging channel (paging channel).In addition, the data of exporting to speech processes portion 140 will be the speech datas that receives under the situation of setting audio call.
And, for the speech data of the numeralization that transmits the data that receive by control part 120 or receive by speech processes portion 140, above-mentioned radio-frequency part 130 will carry out frequency rising conversion and be converted to the band radio signal by antenna (ANT) exporting to above-mentioned data.
Above-mentioned speech processes portion 140 receives PGA gain and the volume ride gain that the gain amplifier control part 123 of control parts 120 transmits, and according to PGA gain and the volume ride gain execution PGA amplification and the volume control operation of above-mentioned reception.
Because above-mentioned gain amplifier control part 123 transmits different PGA gain and volume ride gain according to different RSSI, above-mentioned speech processes portion 140 will be carrying out the voice signal amplifieroperation at RSSI variable PGA gain and volume ride gain, thereby when carrying out speech processes the influence of TDMA noise is minimized.
Subscriber identification module (SIM:Subscriber Identity Module) 190 is mainly used at European Region, stores international mobile station equipment identity (IMSN:International Mobile Subscriber Number) and PIN (PIN:PersonalIdentification Number) in the above-mentioned subscriber identification module (SIM) 190.
Above-mentioned subscriber identification module (SIM) 190 is with the morphosis of the card of the inside that can be inserted in mobile communication terminal 100.
Fig. 3 is the action flow chart of processes voice signals in the mobile communication terminal of one embodiment of the invention.
For the voice signal of carrying out in one embodiment of the invention is handled operation, structure has the gain amplifier table of different PGA gains and volume ride gain and is stored in (S1) in the memory 110 by different received signal intensity (RSSI:Receive Signal Strength indicator).
Above-mentioned gain amplifier table is the PGA gain and the volume gain of simulation (simulation) the best corresponding with received signal intensity, and utilizes the result that calculates that drawn at the memory 110 of mobile communication terminal its hard quarter (hard coating).
Make up in memory 110 under the state of gain amplifier table, the RSSI test section 122 of control part 120 detects the RSSI (S2) of the wireless signal that receives from the base station by radio-frequency part 130.
When detecting the RSSI of wireless signal by above-mentioned RSSI test section 122, gain amplifier control part 123 will be retrieved PGA gain and the volume ride gain (S3) corresponding with detected RSSI from the gain amplifier table of memory 110 those storages.
When retrieving PGA gain and volume ride gain from the gain amplifier table, above-mentioned gain amplifier control part 123 sends above-mentioned PGA gain and the volume ride gain that retrieves to speech processes portion 140 (S4).
Above-mentioned speech processes portion 140 will use gain to amplify PGA gain and the volume ride gain that control part 123 transmits voice signal to be amplified also processes voice signals, subsequently the voice signal of above-mentioned processing is play (S5) by loud speaker 150.
More than be illustrated at the preferred embodiment among the present invention, but the present invention is defined in aforesaid embodiment, in the category that does not exceed basic fundamental thought of the present invention, those skilled in the art can carry out various deformation and application to it.
According to aforesaid the present invention, be provided with the gain amplifier table that has different gain amplifiers by different received signal intensity in the mobile communication terminal, make according to received signal intensity to change the gain amplifier that uses in the voice signal processing, thereby can effectively reduce the influence of TDMA noise.
Promptly, be positioned at the more weak zone of received signal intensity at mobile communication terminal, make under the state that the electric wave reception environment is relatively poor and the voice signal reception is difficult, PGA gain and volume ride gain are set at lower value, thereby make the TDMA noise also have the influence that lower gain amplifier amplifies and reduce the TDMA noise.And, be positioned at the stronger zone of received signal intensity at mobile communication terminal, make under the state of the better also voice signal reception good of electric wave reception environment, PGA gain and volume ride gain are set at higher value, even if make the TDMA noise obtain simultaneously amplifying, the amplification ratio of TDMA noise and voice signal than the time general very small and can ignore.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; being familiar with those of ordinary skill in the art ought can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (7)
1, a kind of mobile communication terminal is characterized in that, comprises following several sections:
Be used to store the memory that has the gain amplifier table of different gain amplifiers by different received signal intensity;
Be used for receiving the radio-frequency part of wireless signal from the base station;
According to the gain amplifier that inserts voice signal is amplified the also speech processes portion of processes voice signals;
From above-mentioned gain amplifier table retrieval with by the received signal intensity corresponding gain amplifier of above-mentioned radio-frequency part from the wireless signal of above-mentioned base station reception, and send it control part of above-mentioned speech processes portion to.
2, mobile communication terminal according to claim 1 is characterized in that, above-mentioned gain amplifier comprises programmable gain amplifier gain and volume ride gain.
3, mobile communication terminal according to claim 1 and 2 is characterized in that, above-mentioned gain amplifier has the value that is directly proportional with received signal intensity.
4, mobile communication terminal according to claim 1 is characterized in that, above-mentioned control part comprises:
Be used to detect by the received signal intensity detection portion of above-mentioned radio-frequency part from the received signal intensity of the wireless signal of above-mentioned base station reception;
Be used for from above-mentioned memory search with by the corresponding gain amplifier of the above-mentioned detected received signal intensity of received signal intensity detection portion, and send it gain amplifier control part of above-mentioned speech processes portion to.
5, a kind of method of speech processing of mobile communication terminal is characterized in that, comprises following several steps:
Structure has the 1st step of the gain amplifier table of different gain amplifiers by different received signal intensity;
From the received signal intensity corresponding gain amplifier of above-mentioned gain amplifier table search, and utilize corresponding gain amplifier to carry out the 2nd step that voice signal is handled with the wireless signal that receives from the base station.
6, the method for speech processing of mobile communication terminal according to claim 5 is characterized in that, comprises in above-mentioned the 2nd step:
The step of the received signal intensity of the wireless signal that detection receives from above-mentioned base station;
From above-mentioned gain amplifier table search and the corresponding gain amplifier of above-mentioned detected received signal intensity, and utilize corresponding gain amplifier to carry out the step that voice signal is handled.
7, the method for speech processing of mobile communication terminal according to claim 5 is characterized in that,
Above-mentioned gain amplifier has the value that is directly proportional with received signal intensity.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050097373 | 2005-10-17 | ||
| KR1020050097373A KR100684028B1 (en) | 2005-10-17 | 2005-10-17 | Audi0 signal processing method by receive signal strength indicator, and the mobile terminal therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1968473A true CN1968473A (en) | 2007-05-23 |
Family
ID=38076955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101406963A Pending CN1968473A (en) | 2005-10-17 | 2006-09-30 | Audi0 signal processing method by receive signal strength indicator, and the mobile terminal therefor |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100684028B1 (en) |
| CN (1) | CN1968473A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101380A (en) * | 2014-05-08 | 2015-11-25 | 三星电子株式会社 | Method for transmitting and receiving data signal and voice signal and electronic device implementing same |
| EP3098973A1 (en) * | 2015-05-28 | 2016-11-30 | Samsung Electronics Co., Ltd. | Method for cancelling noise of audio signal and electronic device thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101450570B1 (en) * | 2007-12-28 | 2014-10-14 | 삼성전자주식회사 | Method and apparatus for elimination of noise in GSM terminal |
| KR102282472B1 (en) | 2017-09-11 | 2021-07-27 | 한화테크윈 주식회사 | Surveillance system and operation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0142916B1 (en) * | 1995-06-21 | 1998-08-01 | 구자홍 | Apparatus and method of compensating audio level for cellular phone |
| KR19990059594A (en) * | 1997-12-31 | 1999-07-26 | 전주범 | Volume control mobile phone |
| KR100301727B1 (en) * | 1999-04-12 | 2001-09-26 | 송문섭 | Transmitter for regulating automatically output level in cdma cellular phone and control method thereof |
| KR20050056449A (en) * | 2003-12-10 | 2005-06-16 | 주식회사 팬택 | Auto gain control function with mobile handset and controlling method therof |
-
2005
- 2005-10-17 KR KR1020050097373A patent/KR100684028B1/en not_active IP Right Cessation
-
2006
- 2006-09-30 CN CNA2006101406963A patent/CN1968473A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105101380A (en) * | 2014-05-08 | 2015-11-25 | 三星电子株式会社 | Method for transmitting and receiving data signal and voice signal and electronic device implementing same |
| CN105101380B (en) * | 2014-05-08 | 2020-07-21 | 三星电子株式会社 | Method for transceiving data signal and voice signal and electronic device implementing the same |
| EP3098973A1 (en) * | 2015-05-28 | 2016-11-30 | Samsung Electronics Co., Ltd. | Method for cancelling noise of audio signal and electronic device thereof |
| CN106205631A (en) * | 2015-05-28 | 2016-12-07 | 三星电子株式会社 | For eliminating method and the electronic installation thereof of the noise of audio signal |
| US9747886B2 (en) | 2015-05-28 | 2017-08-29 | Samsung Electronics Co., Ltd. | Method for cancelling noise of audio signal and electronic device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100684028B1 (en) | 2007-02-20 |
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