TW201301260A - Method of audio analysis and device thereof - Google Patents

Abstract

The present invention discloses a method of audio analysis and the device thereof. The method of audio analysis comprises the following steps: at first, a first audio clip is received at a first measuring point by a first unit, and the first audio clip is from a specific audio source and an environmental audio source; subsequently, a second audio clip is received at a second measuring point by a second unit, and the second audio clip is from the foregoing specific audio source and the environmental audio source; and a specific audio clip is obtained by a processing unit filtering through the environmental audio source of the first audio clip and the second audio clip.

Description

Audio analysis method and device

The invention provides an audio analysis method and device, in particular to a detection method and device for detecting a display card yield.

The general computer device is composed of hardware components such as a motherboard, a memory, a hard disk, and various interface cards, and these hardware components inevitably produce unpredictable flaws in the manufacturing process, resulting in many hardware components being produced after leaving the factory. In order to avoid abnormal conditions of the hardware components after leaving the factory, the best way is to pick out the defective hardware components before leaving the factory to avoid the defective hardware components flowing into the market, thereby improving the quality of the products. .

In general, in addition to the physical test, the most commonly used test method is the burn-in test. Take the display card as an example. The finished display card must pass the long-term running test before leaving the factory for testing. Whether it can produce unpredictable problem defects such as overheating, performance degradation, poor heat dissipation or component damage during long-term operation. However, this method requires moderate environmental parameter control and must have sufficient detectors. It takes a lot of time, and for manufacturers who need to mass produce graphics cards, this test method obviously does not meet the demand.

Therefore, how to solve the above problems and shortcomings in the past is the direction for the relevant manufacturers engaged in this industry to research and improve.

Therefore, in view of the above problems and shortcomings, the inventors have collected relevant information, and through multi-party evaluation and consideration, and through years of experience in the industry, through continuous trial and modification, we have designed this audio analysis method and The birth of the invention patent of the device.

It is an object of the present invention to provide an audio analysis method with higher detection accuracy.

Another object of the present invention is to provide a method of detecting a fast detecting hardware component.

It is still another object of the present invention to provide a detection method that saves detection costs.

In order to achieve the above object, the present invention provides an audio analysis method, which includes the following steps: First, a first unit receives a first sound file at a first measurement point, the first sound file is from a specific sound source and a An ambient sound source; then, a second unit receives a second sound file at a second measurement point, the second sound file being from the specific sound source and the ambient sound source.

In an embodiment, before the step of the first unit receiving the first sound file and the second unit receiving the second sound file, the method further includes the following steps: first, a preset audio is sent from a preset position; and then, a unit receives the preset audio; and, the processing unit calculates a first distance (r) between the first measurement point and the preset audio; and then, the second unit receives the preset audio; and, the processing unit calculates the first A second distance (R) between the two measurement points and the preset audio.

In an embodiment, the processing unit further includes: the first sound file and the second sound file, filtering the ambient sound source to obtain a specific sound source file; and the step of converting, by the processing unit, the specific sound source file into a spectrogram.

In an embodiment, after receiving the first sound file and the second sound file, the method further includes the following steps: first, the processing unit converts the first sound file to generate a first spectrogram; and then the processing unit converts the second sound file. And generating a second spectrogram; and the processing unit uses the first spectrogram and the second spectrogram to filter information generated by the ambient sound source to obtain a specific sound source spectrogram.

In an embodiment, the step of obtaining the specific sound source file by using the first sound file and the second sound file further includes using a formula: [first sound file × (1/r ² )] - [second sound File × (1/R ² )] = specific source file × [(1/r ² ) - (1/R ² )].

In an embodiment, the step of obtaining the specific sound source file by using the first sound file and the second sound file further includes using a formula: [first spectrogram × (1/r ² )] - [second spectrum Figure × (1/R ² )] = specific source spectrum map × [(1/r ² ) - (1/R ² )].

In one embodiment, the step of converting a particular source file into a spectrogram is converted to the spectrogram by Fourier calculation.

In an embodiment, in the step of converting the first sound file into the first spectrogram and the converting the second sound file into the second spectrogram, the first sound file and the second sound file are respectively converted by Fourier calculation The first spectrogram and the second spectrogram.

In an embodiment, the predetermined position overlaps with a location of a particular sound source.

The present invention further provides an audio analysis device including a first unit, a second unit, and a processing unit. The first unit is disposed at a first measurement point and receives a first sound file, the first sound file. From a specific sound source and an ambient sound source, wherein the second unit is disposed at a second measurement point and receives a second sound file, wherein the second sound file is from the specific sound source and the ambient sound source, wherein the processing unit is The ambient sound source is filtered to output a specific sound source file by using the first sound file and the second sound file.

In an embodiment, the method further includes: a correction unit that performs correction by issuing a preset audio at a preset position, the first unit and the second unit respectively receive the preset audio, and the processing unit calculates the first a first distance (r) between the measurement point and the preset audio and a second distance (R) between the second measurement point and the preset audio, the first distance (r) and the second distance (R) are recorded in the In the correction unit described.

In an embodiment, a memory unit is further configured to record the first audio source file and the second audio source file.

In one embodiment, the processing unit is coupled to a computer device via a USB port, a sound source terminal, an infrared transmission, a Bluetooth transmission, or an internet connection.

As described above, the audio analysis method and apparatus of the present invention have high detection accuracy, save detection cost, and quickly detect the effects of hardware components.

Please refer to FIG. 1A, and please refer to FIG. 2A and FIG. 2B simultaneously. FIG. 1A is a flow chart of the steps of the audio capturing method of the present invention, and FIG. 2A and FIG. 2B are the present invention. A stereoscopic view of the audio analysis device and a system connection diagram of the audio analysis device of the present invention.

The audio capture method used in the present invention includes steps 111 to 117 as follows: First, in step 111, a preset audio is emitted from a preset position 32; then in step 112, a first unit 41 receives the preset audio. Since the preset audio frequency is known and the volume is inversely proportional to the distance, in step 113, the processing unit 43 calculates a first distance (r) between the first measurement point 45 and the preset audio; and then at step 114 The second unit 42 receives the preset audio; and in step 115, the processing unit 43 calculates a second distance (R) between the second measurement point 46 and the preset audio.

The preferred embodiment is that the preset position 32 overlaps with the position of the specific sound source 31. However, the preset position 32 can also be at any position, and the relative distance to the specific sound source 31 can be determined to obtain the same conclusion. This invention is not limited in this regard. However, the positions of the first unit 41 and the second unit 42 must not overlap, and the first distance (r) and the second distance (R) are preferably different.

In step 116, a first unit 41 receives a first sound file (not shown) at the first measurement point 45. The first sound file is from a specific sound source 31 and an ambient sound source 5.

The specific sound source 31 can be a circuit board and a sound emitting device thereof, preferably a sound emitting device configured with a display card, and the ambient sound source 5 can be defined as all background noise except the specific sound source 31, and the first measuring point 45 and the second The distance of the measuring point 46 is much larger than the distance between the specific sound source 31 and the first measuring point 45 and the second measuring point 46, so that the first unit 41 and the second unit 42 that receive the sound can be regarded as infinity. The sound of the transmission, the reception results should not be much different.

Next, in step 117, the second unit 42 receives a second sound file (not shown) at the second measurement point 46, the second sound file being from the specific sound source 31 and the ambient sound source 5.

Please refer to FIG. 1B , which is a flow chart of steps of an embodiment of the audio analysis method of the present invention, and please refer to FIG. 2A and FIG. 2B simultaneously, including the processing unit 43 using the first sound file and the second sound file. , filtering the ambient sound source 5, obtaining a step 121 of a specific sound source file (not shown), and converting the specific sound source file into a spectrogram step 122, wherein the specific sound source file is converted into the above by Fourier calculation Spectrogram (not shown).

In the above embodiment, the processing unit 43 uses the first sound file and the second sound file to obtain the specific sound source file in the step 121, further comprising using the formula: [first sound file × (1/r ² )] - [Second sound file × (1/R ² )] = specific sound source file × [(1/r ² ) - (1/R ² )].

Please refer to FIG. 1C , which is a flowchart of another implementation step of the audio analysis method of the present invention, and please refer to FIG. 2A and FIG. 2B simultaneously, wherein the audio analysis method includes steps 131 to 133, such as the following As shown, first in step 131, the processing unit 43 converts the first sound file to generate a first spectrogram (not shown); then in step 132, the processing unit 43 converts the second sound file to generate a a second spectrogram (not shown); and in step 133, the processing unit 43 filters the information generated by the ambient sound source 5 by using the first spectrogram and the second spectrogram to obtain a spectrogram of the specific sound source (Fig. The first sound file and the second sound file are respectively converted into a first spectrogram and a second spectrogram by Fourier calculation.

In the above embodiment, the processing unit 43 uses the first spectrogram and the second spectrogram to filter the information generated by the ambient sound source 5, and obtains a specific sound source spectrogram in step 133, and further converts into a spectrogram and further includes Using the formula: [first spectrogram × (1/r ² )] - [second spectrogram × (1/R ² )] = specific source spectrogram × [(1/r ² ) - (1/R ² ) ].

In the above embodiment, the ambient sound source may be filtered first and then the spectrogram may be converted, or the spectrogram may be converted before filtering. The calculation results are slightly different, and each has its reference value. Therefore, the audio analysis method of the present invention is not limited thereto, and it is not even necessary to calculate the first distance (r) and the second distance (R), and the environmental sound source can be directly filtered by various methods such as subtraction or superposition to obtain a special sound source. relevant information.

Referring to FIG. 2A and FIG. 2B again, which is a perspective view of the audio analysis device of the present invention and a system connection diagram of the audio analysis device of the present invention, the present invention further provides an audio analysis device 4 including a first unit 41, a second unit 42 and a processing unit 43, wherein the first unit 41 is disposed at a first measuring point 45 and receives a first sound file (not shown), the first sound file A specific sound source 31 from a display card 3 and an ambient sound source 5 generated from a surrounding environment, wherein the second unit 42 is disposed at a second measuring point 46 and receives a second sound file (not shown) The second sound file is derived from the specific sound source 31 of the display card 3 and the ambient sound source 5 generated from the surrounding environment, wherein the processing unit 43 filters the ambient sound source 5 to output a specific one by using the first sound file and the second sound file. The sound source file (not shown), wherein the display card 3 is exemplified in the present invention, the display card 3 can also be replaced by any computer interface card, which is not limited in the present invention.

In another embodiment, the audio analysis device further includes a correction unit 44 that performs correction by issuing a preset audio (not shown) at a preset position 32, the first unit 41 and the second unit 42. Receiving preset audio respectively, and the processing unit 43 calculates a first distance (r) between the first measurement point 45 and the preset audio, and a second distance (R) between the second measurement point 46 and the preset audio, The first distance (r) and the second distance (R) are recorded in the correction unit 44, wherein the transmission correction unit 44 filters out the influence from the ambient audio 5.

In another embodiment, the audio analysis device further includes a memory unit 47 coupled to the first unit 41, the second unit 42, the processing unit 43, and the correction unit 44, wherein the memory unit 47 is configured to record the first source file and The second source file.

In order to facilitate the analysis and comparison record, the audio analysis device can be connected to the computer device 6 through the USB port, the audio source terminal, the infrared transmission, the Bluetooth transmission or the Internet through the processing unit 43 to make the computer device 6 The specific sound source file, spectrogram, first spectrogram or second spectrogram described above can be recorded.

In summary, the audio analysis method and apparatus of the present invention have industrial applicability, novelty, and progressiveness, and have indeed met the requirements of the invention patent application, and filed a patent application according to law. However, the descriptions of the present invention are only intended to limit the scope of the invention, and the equivalent variations and modifications of the scope of the invention and the description of the invention are all It should remain within the scope of this invention.

111. . . step

112. . . step

113. . . step

114. . . step

115. . . step

116. . . step

117. . . step

121. . . step

122. . . step

131. . . step

132. . . step

133. . . step

3. . . graphics card

31. . . Specific source

32. . . Specific audio

4. . . Audio analysis device

41. . . The first unit

42. . . Second unit

43. . . Processing unit

44. . . Correction unit

45. . . First measuring point

46. . . Second measurement point

47. . . Memory unit

5. . . Environmental audio

6. . . Computer device

(r). . . First distance

(R). . . Second distance

Figure 1A is a flow chart showing the steps of the audio capture method of the present invention.

FIG. 1B is a flow chart showing the steps of an audio analysis method according to an embodiment of the present invention.

FIG. 1C is a flow chart showing the steps of an audio analysis method according to another embodiment of the present invention.

Fig. 2A is a perspective external view of the audio analyzing device of the present invention.

Fig. 2B is a system connection diagram of the audio analyzing device of the present invention.

31. . . Specific source

4. . . Audio analysis device

41. . . The first unit

42. . . Second unit

43. . . Processing unit

44. . . Correction unit

45. . . First measuring point

46. . . Second measurement point

47. . . Memory unit

6. . . Computer device

(r). . . First distance

(R). . . Second distance

Claims (14)

An audio analysis method includes the following steps: a first unit receives a first sound file at a first measurement point, the first sound file is from a specific sound source and an ambient sound source; and a second unit is in a second measurement Receiving a second sound file, the second sound file is from the specific sound source and the ambient sound source; a processing unit uses the first sound file and the second sound file to filter the ambient sound source to obtain a specific sound source file; And the processing unit converts the specific sound source file into a spectrogram. The audio analysis method of claim 1, wherein before the step of receiving the first sound file by the first unit and receiving the second sound file by the second unit, the method further comprises the following steps: Setting a preset audio; the first unit receives the preset audio; the processing unit calculates a first distance (r) between the first measurement point and the preset audio; the second unit receives the Presetting the audio; and the processing unit calculates a second distance (R) between the second measurement point and the preset audio. The audio analysis method according to claim 1, wherein the step of obtaining the specific sound source file by using the first sound file and the second sound file further comprises using a formula: [first sound file × (1) /r ² )]-[Second sound file × (1/R ² )] = specific sound source file × [(1/r ² ) - (1/R ² )]. The audio analysis method according to claim 1, wherein the specific sound source file is converted into the spectrogram by a Fourier calculation. The audio analysis method of claim 2, wherein the preset position overlaps with a position of the specific sound source. An audio analysis method includes the following steps: a first unit receives a first sound file at a first measurement point, the first sound file is from a specific sound source and an ambient sound source; and a second unit is in a second measurement Receiving a second sound file from the specific sound source and the ambient sound source; a processing unit converting the first sound file to generate a first spectrogram; the processing unit converting the second sound file And generating a second spectrogram; and the processing unit uses the first spectrogram and the second spectrogram to filter information generated by the ambient sound source to obtain a specific sound source spectrogram. The audio analysis method of claim 6, wherein before the step of receiving the first sound file by the first unit and receiving the second sound file by the second unit, the method further comprises the following steps: Setting a preset audio; the first unit receives the preset audio; the processing unit calculates a first distance (r) between the first measurement point and the preset audio; the second unit receives the Presetting the audio; and the processing unit calculates a second distance (R) between the second measurement point and the preset audio. The audio analysis method according to claim 6, wherein the step of obtaining the specific sound source file by using the first sound file and the second sound file further comprises using a formula: [first spectrum image × (1) /r ² )]-[Second Spectral Map × (1/R ² )] = Spectral Spectrum of Specific Sound Source × [(1/r ² ) - (1/R ² )]. The audio analysis method according to claim 6, wherein the first sound file is converted into the first spectrogram, and the second sound file is converted into the second spectrogram, the first The sound file and the second sound file are respectively converted into the first spectrogram and the second spectrogram by Fourier calculation. The audio analysis method of claim 7, wherein the preset position overlaps with a position of the specific sound source. An audio analysis device includes: a first unit disposed at a first measurement point and receiving a first sound file, the first sound file being from a specific sound source and an ambient sound source; and a second unit disposed on a second measurement point, and receiving a second sound file from the specific sound source and the ambient sound source; and a processing unit that filters the environment by using the first sound file and the second sound file The source is to output a specific source file. The audio analysis device of claim 11, further comprising a correction unit that emits a preset audio for correction at a preset position, the first unit and the second unit respectively receiving the preset audio And the processing unit calculates a first distance (r) between the first measurement point and the preset audio and a second distance (R) between the second measurement point and the preset audio, the first distance (r) is recorded in the correction unit with the second distance (R). The audio analysis device of claim 11, wherein a memory unit is further configured to record the first audio source file and the second audio source file. The audio analysis device of claim 11, wherein the processing unit is connected to a computer device via a USB port, a sound source terminal, an infrared transmission, a Bluetooth transmission, or an internet connection.