CN101373455B - Device and method for testing sound input and output of voice card - Google Patents
Device and method for testing sound input and output of voice card Download PDFInfo
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- CN101373455B CN101373455B CN2007101479333A CN200710147933A CN101373455B CN 101373455 B CN101373455 B CN 101373455B CN 2007101479333 A CN2007101479333 A CN 2007101479333A CN 200710147933 A CN200710147933 A CN 200710147933A CN 101373455 B CN101373455 B CN 101373455B
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Abstract
The invention relates to a sound card testing device and a method thereof, which is used for detecting whether a sounding port of a soundcard in a personal computer leaks sound. The testing device comprises a switching circuit and a switching unit. The switching circuit is electrically connected with the sounding port and the sound receiving port of the soundcard. The switching circuit comprises a plurality of transmission paths, which are used for receiving a first sound channel and a second sound channel. The switching circuit connects the first sound channel and the second sound channel to corresponding transmission paths so that the first sound channel and the second sound channel are fed back to the sound receiving port. The switching unit is electrically connected with the sounding port and the switching circuit. The switching unit is used for receiving the first sound channel and the second sound channel. The switching unit changes the transmission paths in the switching circuit according to a first switching message and/or a second switching message.
Description
Technical field
The present invention relates to a kind of proving installation and method thereof of sound card, whether produce the Lou proving installation and the method thereof of sound between particularly a kind of acoustic channel that detects sound card.
Background technology
Sound card (Sound Card) has been an indispensable equipment in personal computer, and sound card also is used in the sound input except general music, movie are provided, for example in the input of the sound of recorded voice, voice-over-net.
The test mode of existing sound card is: sound card is installed on the personal computer, again will other acoustic channel (Audio Channel) utilize different signal wires to be linked to corresponding loudspeaker (Speaker) or signal wire is connected to the microphone input end of corresponding sound channel, for example L channel output is linked to the input of L channel.Sound card test procedure on the control module can be seriatim sends the test voice signal to each acoustic channel, and whether the tester removes to listen to the sound that this loudspeaker sent of correspondence according to the sound of each acoustic channel that test procedure sends to again wrong.
This test mode is manually installed the signal wire one by one except needs, the test voice signal that the tester also should be noted that test procedure and sent.Therefore, the problem below easy appearance the in the process of test.The first, if the test sound that the tester does not notice one of them loudspeaker to be sent, the then step that will once listen to each loudspeaker again again.The second, if to the frequent replacing signal wire of single sound card, can make that the interface end generation of sound card is loosening, sound card is easy to generate unnecessary noise (Noise), thus the result of influence test.In addition, because the output interface increasing (for example 5.1 sound channels or 7.1 sound channels) that is had in the present sound card, also making can be more consuming time by the process of manually listening to processing.
Summary of the invention
Fundamental purpose of the present invention is, a kind of proving installation of sound card is provided, and utilizes the radio reception unit of list/two-channel all can whether produce leakage sound in order to the sounding interface under the sound card in the detection personal computer.
To achieve these goals, the invention discloses a kind of proving installation of sound card, comprise commutation circuit and switch unit.
Commutation circuit is electrically connected at the radio reception interface of sounding interface and sound card respectively, have many bang paths in the commutation circuit, commutation circuit is in order to receive first acoustic channel and second acoustic channel, commutation circuit is linked to corresponding bang path with first acoustic channel with second acoustic channel, makes it be back to the radio reception interface.Personal computer is monitored the second test message that the first test message that first acoustic channel transmitted and/or second acoustic channel are transmitted, personal computer is checked to have or not in first acoustic channel and is had or not the first test message in the second test message or second acoustic channel, in order to judge between first acoustic channel and second acoustic channel whether the leakage sound is arranged.Switch unit electrically connects sounding interface and commutation circuit respectively, and switch unit is in order to receive first acoustic channel and second acoustic channel.Switch unit switches message and/or second according to first and switches message in order to the bang path in the change commutation circuit.
To achieve these goals, the invention allows for a kind of method of testing of sound card, whether produce leakage sound in order to the sounding interface under the sound card in the detection personal computer, comprise first acoustic channel and second acoustic channel in the sounding interface respectively, method of testing comprises the following steps: to provide switch unit and commutation circuit, with switch unit respectively electrically connect to sounding interface and commutation circuit commutation circuit is electrically connected at radio reception interface in sounding interface and the sound card respectively.Personal computer sends first and switches message to the first acoustic channel or second acoustic channel.Switch unit switches message in order to the bang path in the change commutation circuit according to first, and commutation circuit is linked to corresponding bang path with first acoustic channel with second acoustic channel, and makes it be back to the radio reception interface.Monitoring first acoustic channel has or not test message that second acoustic channel transmitted and monitors the test message that second acoustic channel has or not first acoustic channel to be transmitted.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the synoptic diagram of preferred embodiment of the present invention;
Fig. 2 is operation workflow figure of the present invention;
Fig. 3 a is the flow process explanation synoptic diagram that embodiments of the invention are applied to two-channel radio reception unit;
Fig. 3 b is the flow process explanation synoptic diagram that embodiments of the invention are applied to two-channel radio reception unit;
Fig. 4 a is the flow process explanation synoptic diagram that embodiments of the invention are applied to monophony radio reception unit;
Fig. 4 b is the flow process explanation synoptic diagram that embodiments of the invention are applied to monophony radio reception unit.
Wherein, Reference numeral:
The 110-personal computer
The 120-sound card
121-sounding interface
122-radio reception interface
1221-R channel radio reception interface
1222-L channel radio reception interface
1223-monophony radio reception interface
The 130-proving installation
The 131-switch unit
1311-puts in order the ripple unit
The 1312-decoding unit
The 133-commutation circuit
1331~1336-node
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Whether the proving installation of sound card provided by the present invention is in order to can produce leakage sound in sounding interface under the sound card in the detection personal computer and the radio reception interface.This proving installation 130 comprises switch unit 131 and commutation circuit 133.
Please refer to shown in Figure 1ly, this is the synoptic diagram of preferred embodiment of the present invention.Switch unit 131 is electrically connected to sounding interface 121 and commutation circuit 133 respectively.At first, sound card 120 is installed in the personal computer 110, sound card 120 in the present embodiment is not defined as any interface, and what it can be in ISA interface, pci interface or the USB interface is any.At this sound card 120 with two-channel is that example describes in the present embodiment.Also comprise sounding interface 121 and radio reception interface 122 in the sound card 120, sounding interface 121 is in order to transmit voice signal.Be example with two-channel sound card 120 in the present embodiment, so sounding interface 121 provides first acoustic channel (not illustrating) and second acoustic channel (not illustrating) respectively.First acoustic channel switches message, the second switching message and the first test message in order to transmit first, and second acoustic channel switches message, the second switching message and the second test message in order to transmit first.These message can be snatch of music or specific waveforms, for example sine wave or continuous square wave etc.
Please refer to shown in Figure 2ly, this is operation workflow figure of the present invention.This method of testing comprises the following steps: to provide switch unit and commutation circuit, with switch unit respectively electrically connect to sounding interface and commutation circuit commutation circuit is electrically connected at radio reception interface (step S210) in sounding interface and the sound card respectively.Personal computer sends first and switches message to the first acoustic channel or second acoustic channel (step S220).Switch unit switches message in order to the bang path in the change commutation circuit 133 according to first, and commutation circuit is linked to corresponding bang path with first acoustic channel with second acoustic channel, and makes it be back to radio reception interface (step S230).Monitor first acoustic channel and have or not test message that second acoustic channel transmitted and monitor the test message (step S240) that second acoustic channel has or not first acoustic channel to be transmitted, thereby check the generation whether leakage sound phenomenon is arranged between first acoustic channel and second acoustic channel.For the clear operation steps that explains orally detection leakage sound of the present invention, please refer to shown in Fig. 3 a and Fig. 3 b, it is respectively the flow process explanation synoptic diagram that embodiments of the invention are applied to two-channel radio reception unit.We import as the sound of personal computer 110 with the radio reception interface 122 of two-channel at this.Every assembly in the present embodiment links major part all as mentioned above, so give unnecessary details no longer one by one.
Need to prove that especially the connected circuit in Fig. 3 a is electrically connect first acoustic channel, second acoustic channel and radio reception interface 122 respectively.In Fig. 3 a first acoustic channel difference correspondence is linked two kinds of bang paths: first bang path is switched to radio reception interface 122, and (meaning is node 1331 junction nodes 1333, make and be connected with L channel radio reception interface 1222), second bang path then is that sky connects (meaning is that contact 1331 is to contact 1334).Second acoustic channel has a kind of bang path: the 3rd bang path electrically is switched to radio reception interface 122 (meaning is node 1332 junction nodes 1335, makes to be connected with R channel radio reception interface 1221).
In the present embodiment, the mode of the bang path in the switch unit 131 change commutation circuits 133 is to be one group of bang path with first bang path and the 3rd bang path.When switch unit 131 receives the first switching message, bang path can be changed to shown in Fig. 3 a.When switch unit 131 receives the second switching message, bang path can be changed to shown in Fig. 3 b.At first, test, suppose that the first test message is the sine wave of 20Hz at first acoustic channel.Personal computer 110 sends the first test message by first acoustic channel, because first acoustic channel is connected with L channel radio reception interface 1222, so L channel radio reception interface 1222 only can receive the first test message.If the sound that utilizes above-mentioned frequency domain analysis method to parse other in personal computer 110 occurs, then represent to have the problem of leaking sound between first acoustic channel and L channel radio reception interface.Further, personal computer 110 can add the second test message of 2000Hz in second acoustic channel.When personal computer 110 is resolved at L channel radio reception interface 1222, if should only can occur the sine wave of 20Hz during normal condition.There is the problem of leaking sound between first acoustic channel and second acoustic channel if there is the sine wave that detects 2000Hz then to represent.
Can test second acoustic channel with above-mentioned same mode, suppose that promptly the first test message is the sine wave of 20Hz.Personal computer 110 sends the first test message by second acoustic channel, because second acoustic channel is connected with R channel radio reception interface 1221, so R channel radio reception interface 1221 only can receive the first test message.If the sound that utilizes above-mentioned frequency domain analysis method to parse other in personal computer 110 occurs, then represent to have the problem of leaking sound between second acoustic channel and R channel radio reception interface.Further, personal computer 110 can add the second test message of 2000Hz in first acoustic channel.When personal computer 110 is resolved at R channel radio reception interface 1221, if should only can occur the sine wave of 20Hz during normal condition.There is the problem of leaking sound between second acoustic channel and first acoustic channel if there is the sine wave that detects 2000Hz then to represent.If will test second acoustic channel more accurately, its bang path mode of connection please refer to shown in Fig. 3 b.At first, personal computer 110 sends first and switches message and second and switch message to make node 1331 switchings be linked to node 1334 nodes 1332 respectively then be to be linked to node 1335.This moment, first acoustic channel then was that sky connects, and not exporting any test message to radio reception interface 122, the second acoustic channels then is to be linked to R channel radio reception interface 1221.
Our the same hypothesis second test message is the sine wave of 20Hz.Personal computer 110 sends the second test message by second acoustic channel, because second acoustic channel is connected with R channel radio reception interface 1221, so R channel radio reception interface 1221 only can receive the second test message.If the sound that utilizes the frequency domain analysis method to parse other in personal computer 110 occurs, then represent 1221 second acoustic channels and R channel radio reception interfaces to have the problem of leaking sound.Personal computer 110 can add the first test message of 2000Hz in first acoustic channel.When personal computer 110 is resolved at R channel radio reception interface 1221, then represent between first acoustic channel and second acoustic channel problem that has the leakage sound if occur 2000Hz, for example, under first acoustic channel and the situation that second acoustic channel is connected in series.
Certainly, personal computer 110 only is not limited to specific sound frequency also can send different snatch of musics from different acoustic channels as the detection foundation of leaking sound.For example in first sound channel, play first music, in second sound channel, play second music.If in detecting first sound channel, monitor out second music, just can obtain second sound channel and have the conclusion of leaking the mail topic.
Please refer to shown in Fig. 4 a, Fig. 4 b, it explains orally synoptic diagram for the flow process that embodiments of the invention are applied to monophony radio reception unit.Be the corresponding channel number that receives the radio reception interface 122 of usefulness with not existing together of Fig. 3 a among Fig. 4 a.Radio reception interface 122 in Fig. 4 a is a monophony radio reception interface 1223.Different with two-channel radio reception interface is, when monophony radio reception interface 1223 and proving installation 130 are connected, because the weak point that the actual grade of monophony radio reception interface 1223 can come than two-channel radio reception interface, so node 1335 to monophony radio reception interface 1223 can form sky and connect state, shown in Fig. 4 a.
Test at first acoustic channel, suppose also that at this first test message is the sine wave of 20Hz.Personal computer 110 sends the first test message by first acoustic channel, because first acoustic channel is connected with monophony radio reception interface 1223, so monophony radio reception interface 1223 only can receive the first test message.If the sound that utilizes above-mentioned frequency domain analysis method to parse other in personal computer 110 occurs, then represent 1223 first acoustic channels and monophony radio reception interfaces to have the problem of leaking sound.Next, personal computer 110 can add the second test message of 2000Hz in second acoustic channel.When personal computer 110 is resolved at monophony radio reception interface 1223, if should only can occur the sine wave of 20Hz during normal condition.There is the problem of leaking sound between first acoustic channel and second acoustic channel if there is the sine wave that detects 2000Hz then to represent.
If will test second acoustic channel, its bang path mode of connection please refer to shown in Fig. 4 b.At first, personal computer 110 sends first and switches message and second and switch message to make node 1331 switchings be linked to node 1334 nodes 1332 respectively then be to be linked to node 1336.First acoustic channel is then for sky connects at this moment, and not exporting any test message to radio reception interface 122, the second acoustic channels then is to be linked to monophony radio reception interface 1223.
Our the same hypothesis second test message is the sine wave of 20Hz.Personal computer 110 sends the second test message by second acoustic channel, because second acoustic channel is connected with monophony radio reception interface 1223, so monophony radio reception interface 1223 only can receive the second test message.If the sound that utilizes the frequency domain analysis method to parse other in personal computer 110 occurs, then represent to have the problem of leaking sound between second acoustic channel and monophonic sounds interface.Personal computer 110 can add the first test message of 2000Hz in first acoustic channel.When personal computer 110 is resolved at monophony radio reception interface 1223, then represent the problem that has the leakage sound between first acoustic channel and second acoustic channel if occur 2000Hz.The invention provides a kind of proving installation 130 and method thereof that detects sound card 120, whether produce leakage sound in order to the sound card 120 affiliated sounding interfaces 121 that detect in the personal computer 110.Switch unit 131 in the proving installation 130 is except can be according to the switching message that is received in order to switch corresponding connected circuit, and whether also can not be subject to the radio reception interface is list/two-channel.
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; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. input of the sound of a sound card and the proving installation of exporting, whether produce leakage sound in order to a sounding interface that detects under the sound card in the personal computer, also comprise one first acoustic channel and one second acoustic channel in this sounding interface, it is characterized in that this proving installation comprises:
One switches circuit, be electrically connected at a radio reception interface of this sounding interface and this sound card respectively, have many bang paths in this commutation circuit, this commutation circuit is in order to receive this first acoustic channel and this second acoustic channel, this commutation circuit is linked to corresponding bang path with this first acoustic channel with this second acoustic channel, makes it be back to this radio reception interface; And
One switches the unit, electrically connect this sounding interface and this commutation circuit respectively, in order to receive this first acoustic channel and this second acoustic channel, this switch unit switches message and/or one second according to one first and switches message in order to switch the bang path in this commutation circuit;
Wherein, this personal computer is monitored the one second test message that one first test message that this first acoustic channel transmitted and/or this second acoustic channel are transmitted, this personal computer is checked to have or not in this first acoustic channel and is had or not this first test message in this second test message or this second acoustic channel, in order to judge between this first acoustic channel and this second acoustic channel whether the leakage sound is arranged.
2. input of the sound of sound card as claimed in claim 1 and the proving installation of exporting, it is characterized in that, also comprise a whole ripple unit and a decoding unit in this switch unit, should receive this message in whole ripple unit, should whole ripple unit convert this message to one and switch signal, this decoding unit according to this switching signal in order to switch the connecting circuit in this switch unit.
3. input of the sound of sound card as claimed in claim 1 and the proving installation of exporting is characterized in that, this first switching message is a frequency waveform, a sinusoidal wave or music.
4. input of the sound of sound card as claimed in claim 1 and the proving installation of exporting is characterized in that, this second switching message is a frequency waveform, a sinusoidal wave or music.
5. input of the sound of sound card as claimed in claim 1 and the proving installation of exporting is characterized in that this whole ripple unit is one 555 timers.
6. input of the sound of sound card as claimed in claim 1 and the proving installation of exporting is characterized in that this decoding unit is a PT2272 code translator.
7. sound input and the method for testing of exporting to a sound card, whether produce leakage sound in order to a sounding interface that detects under the sound card in the personal computer, comprise one first acoustic channel and one second acoustic channel in this sounding interface respectively, it is characterized in that this method of testing comprises the following steps:
Provide one to switch the unit and switch circuit, this switch unit is distinguished electrically connect to this sounding interface and this commutation circuit, this commutation circuit is electrically connected at a radio reception interface in this sounding interface and this sound card respectively with one;
This personal computer sends one first and switches message to this first acoustic channel or this second acoustic channel;
In order to change the bang path in this commutation circuit, this commutation circuit is linked to corresponding bang path with this first acoustic channel with this second acoustic channel to this switch unit, and makes it be back to this radio reception interface according to this first switching message; And
Monitoring this first acoustic channel has or not test message that this second acoustic channel transmitted and monitors the test message that this second acoustic channel has or not this first acoustic channel to be transmitted.
8. sound input and the method for testing of exporting to sound card as claimed in claim 7 is characterized in that, this first switching message is a frequency waveform, a sinusoidal wave or music.
9. sound input and the method for testing of exporting to sound card as claimed in claim 7, it is characterized in that, in this method of testing, also comprise: provide one second to switch message, this second switching message is in order to switch the connecting circuit of this second acoustic channel to this personal computer, and this second switching message is a frequency waveform, a sinusoidal wave or music.
10. sound input and the method for testing of exporting to sound card as claimed in claim 7, it is characterized in that, also comprise a whole ripple unit and a decoding unit in this switch unit, should receive this message in whole ripple unit, should whole ripple unit convert this message to one and switch signal, this decoding unit according to this switching signal in order to switch the connecting circuit in this switch unit.
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CN2007101479333A CN101373455B (en) | 2007-08-24 | 2007-08-24 | Device and method for testing sound input and output of voice card |
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CN2007101479333A CN101373455B (en) | 2007-08-24 | 2007-08-24 | Device and method for testing sound input and output of voice card |
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CN101373455A CN101373455A (en) | 2009-02-25 |
CN101373455B true CN101373455B (en) | 2010-07-28 |
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CN102821338B (en) * | 2011-06-10 | 2015-02-25 | 冠捷投资有限公司 | Circuit capable of eliminating abnormal sounds and method thereof |
TWI475870B (en) * | 2012-09-12 | 2015-03-01 | Wistron Corp | Testing apparatus and method for telephone apparatus |
CN104978246A (en) * | 2015-06-30 | 2015-10-14 | 北京金山安全软件有限公司 | Sound restoration method and device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1758226A (en) * | 2004-10-09 | 2006-04-12 | 鸿富锦精密工业(深圳)有限公司 | The method of the automatic detection computations machine of loop-type audio frequency apparatus playing function |
CN1856771A (en) * | 2003-07-28 | 2006-11-01 | 高通股份有限公司 | Fault diagnosis, repair and upgrades using the acoustic channel |
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2007
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1856771A (en) * | 2003-07-28 | 2006-11-01 | 高通股份有限公司 | Fault diagnosis, repair and upgrades using the acoustic channel |
CN1758226A (en) * | 2004-10-09 | 2006-04-12 | 鸿富锦精密工业(深圳)有限公司 | The method of the automatic detection computations machine of loop-type audio frequency apparatus playing function |
Non-Patent Citations (1)
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JP特开2007-171840A 2007.07.05 |
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