JP2005346846A - Data verification device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a data verification device capable of efficiently reducing a data size of a reference value used for verification. <P>SOLUTION: The data verification device is able to carry out verification by using a periodic data as a test data (data for verification), and using a data repeating unit for continuously and repeatedly outputting a data for one period, and thereby saving the data only for one period as the reference value data, and it enables to reduce a data amount of the reference value data. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a verification device that verifies the output of a data processor that performs predetermined processing on data such as music and video, and particularly relates to a device that reduces the storage capacity of test data used for verification.

  In recent years, multimedia devices such as DVDs and digital TVs for enjoying video and music have become widespread.

  Verification of data processors that perform video encoding / decoding processing of such multimedia devices has conventionally been performed by checking the video output on the screen with human eyes. In order to reduce the amount, a verification apparatus that automatically verifies the data processor has been proposed as follows (see, for example, Patent Document 1).

  A verification apparatus that automatically verifies the function of a decoder that decodes data encoded by a predetermined encoding method will be described below with reference to FIG.

  In FIG. 6, reference numeral 201 denotes a decoder that decodes data encoded by a predetermined encoding method. Reference numeral 105 denotes a data verification device that verifies the function of the decoder 201. Further, in the data verification apparatus 105, reference numeral 10 denotes a test data storage device that stores test data for testing the function of the decoder 201. A reference value data storage 32 stores reference value data. Reference numeral 40 denotes a comparison / determination unit that compares the data to be verified output from the decoder 201 with the reference value data from the reference value data storage unit 32 to determine whether the two match or not. is there.

Next, the operation of this conventional data verification apparatus 105 will be described.
First, the test data storage 10 stores test data encoded in advance. The decoder 201 decodes the test data stored in the test data storage 10 and outputs it to the comparison / determination unit 40.

  The reference value data storage 32 stores reference value data that has been confirmed in advance to match the data for which the test data has been correctly decoded.

  In the comparison / determination unit 40, the test data stored in the test data storage unit 10 is input to the decoder 201, the data to be verified decoded by the decoder 201, and the reference value data storage unit 32. Are compared with the reference value data stored in, and a determination is made as to whether or not they match.

In the conventional data verification apparatus, as described above, it is possible to automatically verify whether or not the decoder 201 is performing a decoding process as expected.
JP-A-62-200274

  The conventional data verification apparatus is configured as described above, and whether or not the decoder is performing the decoding process as expected can be automatically verified, but in the data verification apparatus, In order to improve the efficiency of verification and reduce costs, an endurance test is one of the test items considered to require automation of verification.

  However, in the configuration of the conventional data verification apparatus, when performing the durability test, it is necessary to prepare reference data for the test time length in advance and store it in the test data storage. For this reason, a large-capacity storage device is required, and there is a problem that the device cost increases.

  The present invention has been made to solve the above problems, and an object of the present invention is to provide a data verification apparatus capable of efficiently reducing the data size of a reference value used for verification.

  In order to solve the above-described problem, a data verification apparatus according to claim 1 of the present invention inputs an output of data processing means for performing predetermined processing to test data prepared in advance for the data processing means. In the data verification device to be verified, a test data storage unit that stores periodic data and outputs the data to the data processing unit, and the data in the test data storage unit, a predetermined data in the data processing unit Reference value data storage means storing one cycle of data that has been confirmed to have been processed normally, and data stored in the reference value data storage means are repeatedly output. Data repetitive output means, and data processing when the periodic data stored in the test data storage means are input to the data processing means A data comparison / determination unit that compares the data output from the stage with the data output from the repetitive output unit when the data stored in the reference value data storage unit is output, and determines the match / mismatch It is characterized by comprising.

  According to a second aspect of the present invention, there is provided a data verification apparatus for verifying an output of a data storage means for performing predetermined processing by inputting test data prepared in advance to the data storage means. Stored in the configuration parameter storage means, the test data storage means for storing the characteristic data and outputting to the data processing means, the configuration parameter storage means for storing the configuration parameters for generating the reference value data Reference data generation means for generating and outputting reference value data from the configuration parameters, and the data processing means when the periodic data stored in the test data storage means are input to the data processing means And the reference data by outputting the configuration parameters from the configuration parameter storage means By comparing the data outputted from the formed unit, it is characterized in that it comprises a data comparison determining means for determining match / mismatch, the.

  According to a third aspect of the present invention, there is provided a data verification device for verifying an output of a data storage means for performing predetermined processing by inputting test data prepared in advance to the data storage means. Test data storage means for storing characteristic data and outputting it to the data processing means, data processing means for inputting the data output by the data processing means, performing processing for reducing the amount of data, and outputting the data, For one cycle of data for which it has been confirmed that the same processing as the predetermined processing in the data processing means is normally performed on the data in the test data storage means, the data processing means The reference value data storage means for storing and outputting the data subjected to the same data amount reduction processing, and the data stored in the reference value data storage means are repeatedly output. Data repetition output means, data output by the data processing means when the periodic data stored in the test data storage means is input to the data processing means, and the reference value data storage A data comparison / determination unit that compares the data output from the repetitive output unit when the unit outputs stored data, and performs a match / mismatch determination. is there.

  According to a fourth aspect of the present invention, there is provided a data verification device for verifying an output of a data processing means for performing predetermined processing by inputting test data prepared in advance to the data processing means. And a test data storage means for outputting any of the plurality of data to the data processing means, and extracting and outputting data for one cycle from the data output by the data processing means The reference data generating means, storing / rewriting the data for one cycle output by the reference data generating means, and outputting the reference value data storing means for outputting and the data stored in the reference value data storing means, Repeated data output means for repeated output, and periodic data stored in the test data storage means for the data processing means A data comparison / determination unit that compares the data output from the data processing unit when input with the data output from the data repetition output unit to determine whether the data is consistent or inconsistent; Is.

  According to a data verification device of a fifth aspect of the present invention, in the data verification device according to any one of the first to fourth aspects, the data verification device is fabricated on the same chip as the data processing means. It is characterized by that.

  According to the data verification device of the present invention, the reference value data is generated by using the data having periodicity as the test data, that is, the data to be verified, and generating the reference value data by the data repeater. Therefore, it is only necessary to store the verification data for one cycle, and therefore the data amount of the reference value data can be greatly reduced. As a result, it is possible to greatly reduce the cost required for the storage device for storing reference value data, which is required particularly in the durability test.

(Embodiment 1)
As Embodiment 1 of the present invention, the data processor performs MP3 (MPEG Audio Layer-3) decoding processing, performs a durability test as verification of the data processor, and uses audio data as verification data. The case will be described as an example.

  FIG. 1A shows the configuration of a data verification apparatus that automatically verifies the function of a data processor that decodes audio data according to Embodiment 1 of the present invention.

Reference numeral 200 denotes a data processor to be inspected, which decodes data encoded by the MP3 encoding method. Reference numeral 100 denotes a data verification device that verifies the function of the data processor 200.
Further, in the data verification apparatus 100, reference numeral 10 denotes a test data storage device for storing the encoded audio stream data. Reference numeral 30 denotes a reference value data storage unit for one cycle for storing reference value data of an audio waveform signal for one cycle. Reference numeral 50 denotes a data repetition output unit that generates verification data by repeatedly outputting reference value data stored in the reference value data storage unit 30 for one cycle. Further, 40 is generated by repeatedly outputting the data to be verified output from the data processor 200 and the reference value data stored in the reference value data storage 30 for one cycle by the data repeater 50. It is a comparison / determination device that compares with the verification data to be determined and makes a match / mismatch determination.

The operation of the data verification apparatus according to the first embodiment configured as described above will be described below.
In the first embodiment, first, the test data storage device 10 stores test audio stream data encoded in advance by the MP3 method. As the test audio stream data, a data amount corresponding to the endurance test time length is prepared when the audio stream signal is decoded by the MP3 method.

  The data processor 200 decodes the encoded test audio stream data by the MP3 method, and compares, for example, an audio waveform signal such as the third-stage signal on the paper of FIG. 1B as data to be verified. It outputs to the determination device 40.

  In the reference value data storage 30, reference value data (see FIG. 1) of audio waveform signals for one period, which has been confirmed in advance to match the data obtained by correctly decoding the test audio stream data for one period. (B) signal on the first stage of the paper surface) is stored.

  In the data repeater 50, the reference value data of the audio waveform signal for one period from the reference value data storage 30 is repeatedly output as the reference value data, and the comparison determiner 40 of FIG. Verification data of an audio waveform signal having a continuous cycle as shown in the signal on the second stage of the paper is supplied.

  In the comparison / determination unit 40, the data to be verified output from the data processor 200 (the signal on the third stage of the paper in FIG. 1B) and the verification data output from the data repeater 50 (FIG. b) and the signal on the second stage of the paper surface) are compared to determine whether these signals match or do not match.

  From the above, it is possible to automatically verify whether or not the data processor 200 is performing the encoding process as expected.

  In the data verification device according to the first embodiment of the present invention configured as described above, data having periodicity is used as test data (data to be verified), and the reference value data storage 30 stores one cycle. Only the reference value data is stored, the data repeater 50 repeatedly outputs this, and the comparison / decision unit 40 compares the output of the test data storage device 10 with the output of the data repeater 50 for comparison. Since judgment is performed, it is possible to verify data over a long period of time by storing only one period of verification data as reference value data, and the amount of data in the reference value data storage in the durability test Can be greatly reduced.

  For example, when a 24-hour endurance test of MP3 decoding is performed on audio data (sampling frequency = 44.1 kHz, 16 bits) having a period of 10 seconds, the conventional example uses 12.5 Gbytes as reference value data. In the first embodiment, this can be verified with 882 kbytes of data, and the reference value data necessary for the verification can be greatly reduced. As a result, the reference value data The capacity for storing can be reduced.

(Embodiment 2)
As in the second embodiment of the present invention, as in the first embodiment, the data processor 200 performs MP3 decoding processing, performs a durability test as verification of the data processor, and performs verification data. The case where audio data is used will be described as an example.

  FIG. 2 is a diagram showing a data verification apparatus 101 for automatically verifying the function of a data processor for decoding audio data according to Embodiment 2 of the present invention. In the figure, reference numeral 200 denotes a data processor that decodes data encoded by a predetermined encoding method.

  A data verification apparatus 101 verifies the function of the data processor 200. In this data verification apparatus 101, reference numeral 10 denotes a test data storage device for storing audio stream data encoded by a predetermined encoding method. Reference numeral 31 is a reference data parameter storage for storing parameters for generating reference value data, that is, constituent parameters of the reference value data. Reference numeral 60 denotes a reference data generator that generates verification data from the configuration parameters of the reference value data. Reference numeral 40 denotes a comparison / determination unit that compares data to be verified output from the data processor 200 with reference value data output from the reference data generator 60 and determines whether these data match or do not match. .

The operation of the data verification apparatus according to the second embodiment will be described below.
Since the data processor 200, the comparison / determination unit 40, and the test data storage unit 10 in the second embodiment are the same as those in the first embodiment, description of the operation of these configurations is omitted here. .

  The data verification apparatus according to the second embodiment differs from the data verification apparatus according to the first embodiment in the functions of the reference data parameter storage unit 31 and the reference value data generator 60.

Hereinafter, the second embodiment will be described focusing on the operations of the reference data parameter storage unit 31 and the reference value data generator 60.
As an example, a case where audio data composed of a single frequency is decoded will be described.

  The reference data parameter storage 31 stores in advance the period, amplitude, and sampling number, which are the configuration parameters of the audio waveform signal. With the start of verification, the reference value data generator 60 uses the period, amplitude, and sampling number, which are the configuration parameters of the audio waveform signal stored in the reference data parameter storage unit 31, as verification data, as shown in FIG. An audio waveform signal (data for verification) having a continuous period such as the first stage signal on the paper surface of (b) is generated in real time and output to the comparison / determination unit 40.

  In the comparison / determination unit 40, the data to be verified output from the data processor 200 (the signal at the second level on the paper surface in FIG. 2B) and the data for verification (the signal at the second level on the paper surface in FIG. 2B). Are compared with each other to determine whether the data match or not.

  According to the verification apparatus according to the second embodiment configured as described above, the amount of data can be further reduced as compared with the first embodiment.

  That is, for example, when considering the reference value data amount of audio data (sampling frequency = 44.1 kHz, 16 bits) having one cycle of 10 seconds, in the first embodiment, the reference value data amount is a data amount of 882 kbytes. . On the other hand, in the second embodiment, when the cycle is 16-bit data, the amplitude is 16-bit data, and the sampling frequency is 16-bit data as the configuration parameters, the total data amount is 6 bytes, which is compared with the first embodiment. In addition, it is possible to greatly reduce the amount of data for storing the data that is the basis for generating the reference data.

(Embodiment 3)
Next, a data verification apparatus according to Embodiment 3 of the present invention will be described. Also in the third embodiment, as in the first and second embodiments, the data processor 200 performs the MP3 decoding process, and as a verification of the data processor 200, the durability test is performed. A case where audio data is used as verification data will be described as an example.

  FIG. 3A is a diagram showing a configuration of a data verification apparatus 102 that automatically verifies the function of a data processor that decodes audio data according to Embodiment 3 of the present invention. 3A, the same reference numerals as those in FIG. 1A denote the same or corresponding parts, and reference numeral 102 denotes a data verification apparatus that verifies the function of the data processor 200. Reference numeral 80 denotes a data processor that reduces the data amount of the audio data decoded by the data processor 200.

  The data comparison / determination unit 40 outputs the data to be verified, the data amount of which has been reduced by the data processor 80, to the decoded audio data from the data processor 200, and the data repeater 50. The verification data is compared with each other, and matching / mismatching is determined.

Next, the operation of the data verification apparatus according to the third embodiment of the present invention will be described.
Also in the third embodiment, the operations of the data processor 200, the reference data storage 30, the test data storage 10, and the data repeater 50 are the same as those in the first embodiment. The description of the operation will be omitted, and the operation of the data processor 80, which is a feature of the third embodiment, will be mainly described.

  The audio waveform signal that has been subjected to the MP3 decoding process by the data processor 200 (the signal at the fifth level on the paper in FIG. 3B) is input to the data processor 80. The data processor 80 performs downsampling and partial extraction of the sampled data as processing for reducing the amount of data.

  A waveform obtained by down-sampling the audio waveform signal of the signal at the fifth stage on the paper in FIG. 3B is the signal at the fourth stage on the paper in FIG. The result of the filtering process for extracting data every quarter period from the fourth-stage signal on the paper surface in FIG. 3B is the third-stage signal on the paper surface in FIG. The signal on the third level of FIG. 3B is output to the comparison / determination unit 40 as data to be verified.

  Further, the reference value data storage 30 stores a data processor for the reference value data of the audio waveform signal for one cycle that has been confirmed to be correctly decoded in advance. Reference value data (first stage signal in FIG. 3B) that has been subjected to the downsampling process 80 and the partial data extraction process is stored. In the data repeater 50, the reference value data from the reference value data storage unit 30 is repeatedly output, so that the data repeater 50 continues to the comparison / determination unit 40 as shown in FIG. 3 (b). Provide verification data for periodic audio waveform signals.

  In the comparison / determination unit 40, the data to be verified output from the data processor 200 (the signal at the third level on the paper surface in FIG. 3B) and the verification data (the second level on the paper surface in FIG. 3B). Signal))) and a match / mismatch between these signals is determined.

  According to the data verification apparatus according to the third embodiment having such a configuration, the data processing device 80 is provided and the down-sampling process is performed in comparison with the first embodiment, thereby further reducing the data amount. Is possible.

  Actually, considering the audio signal from CDDA (Compact Disc Digital Audio: CD for music), the downsampling frequency is set to 4.41 kHz (1/10 times the sampling frequency of CDDA), and a part of data extraction process In the case where the reference value data amount is 882 kbytes in the first embodiment, the reference value data amount is 88.2 Kbytes and the data amount is reduced to 1/10. It becomes possible to reduce.

(Embodiment 4)
As a fourth embodiment of the present invention, the data processor performs an MP3 and MPEG2 decoding process and uses audio data and video data as verification data as an example.

  In the fourth embodiment, as a verification of the data processor 200, a durability test is assumed in which a combination of a plurality of audio data and a plurality of video data is decoded continuously and permanently.

  FIG. 4 (a) is a diagram showing a configuration of a data verification device 103 that automatically verifies the function of a data processor that decodes audio data and video data according to Embodiment 4 of the present invention. 4A, the same reference numerals as those in FIG. 1A denote the same or corresponding parts, and reference numeral 103 denotes a verification device that verifies the function of the data processor 200. 11 is test data N for storing a plurality of encoded periodic audio stream data and encoded periodic video stream data as test data, respectively. It is an individual memory. Reference numeral 90 denotes a reference value data generator that extracts data for one cycle from the data to be verified from the data processor 200.

Next, the operation of the data verification apparatus according to the fourth embodiment will be described.
Also in the fourth embodiment, the operations of the comparison / determination unit 40 and the data repeater 50 are the same as those in the first embodiment. The feature is that the type of decoding performed by the data processor 200 has been changed from MP3 alone to MP3 and MPEG2, and the type of test data stored in the N test data storage unit 11 A description will be given focusing on the difference between the two, the procedure for storing the reference value data in the reference value data storage 30 for one cycle, and the function for generating the reference value data in the reference data generator 90.

First, the operation of the data verification apparatus 103 according to the fourth embodiment will be described.
According to the order of the test stream of the endurance test for continuously decoding the audio signal and the video signal, the test data N storage 11 has the encoded audio stream data and the encoded periodicity. A plurality of video stream data are stored. For example, the test data A storage device is an audio stream, the test data B storage device is a stream of repeatedly playing TV game video, and the test data storage device N is a screen saver stream.

  The reference value data generator 90 extracts the audio waveform decoded by the data processor 200 and one period of the video signal (non-verification data), and the signal is stored in the reference value data storage 30 for one period. Save to.

  Here, the audio data will be described as an example. The audio waveform signal decoded by the data processor 200 (the signal on the fourth stage of FIG. 4B) generates reference value data as data to be verified. The reference value data generator 90 extracts the data for one cycle, and the reference value data storage 30 for one cycle, as in the third stage signal of FIG. 4B. Save to.

  The data repeater 50 repeatedly outputs the reference value data from the reference value data storage unit 30 (the first signal on the paper surface of FIG. 4B) to the data comparison / determination unit 40 as shown in FIG. The verification data of the audio waveform signal having a continuous cycle such as the signal on the second stage of the paper of (b) is supplied.

  In the comparison / determination unit 40, the data to be verified output from the data processor 200 (the signal at the fourth level on the paper in FIG. 4B) and the data for verification (the signal at the second level on the paper in FIG. 4B). )) And a match / mismatch between these signals is determined.

  After that, when the reading of the audio stream stored in the test data A storage is completed and the endurance test stream is switched to the TV game video stream of the test data B storage, As in the case of audio data, the reference value data generator 90 extracts one cycle of the decoded TV game video and stores the signal in the reference value data storage 30 for one cycle. Do. In this case, there is no problem even if the reference value data for one period of the audio waveform signal described above is overwritten because it does not need to be used in the future. Other operations are exactly the same as in the case of the audio data of the test data A storage device described above, and the reference value repeatedly output by the data repeater 50 and the video data decoded by the data processor 200 are The comparison / determination unit 40 compares the two signals to determine whether or not the two signals match.

  In this way, each time the test data is switched, the reference value data generator 90 extracts data for one cycle, stores the data in the reference value data storage 30 for one cycle, and performs a verification test. Used as reference value data (verification data).

  Even in the case where repeated endurance tests are performed up to the test data N, according to the configuration of the fourth embodiment, the reference value data is acquired every time, so that one type is stored in the reference value data storage 30 for one cycle. In addition, a configuration having a capacity capable of storing reference value data for one cycle is sufficient.

  According to the data verification apparatus according to the fourth embodiment configured as described above, the reference value data can be greatly reduced when performing a durability test of continuous decoding processing of a plurality of test data. It is possible.

(Embodiment 5)
As a fifth embodiment of the present invention, the data processor verification device described in the first to fourth embodiments is integrated on an LSI in the same manner as the data processor. The case will be described.

  FIG. 5 is a diagram showing a verification apparatus constituted by an LSI in which a verification function for verifying data processing means is integrated into one chip according to the fifth embodiment of the present invention. In the figure, reference numeral 200 denotes a data processor for decoding data encoded by the encoding method. Reference numeral 104 denotes a verifier that verifies the function of the data processor 200. Reference numeral 300 denotes a semiconductor wafer. Reference numeral 400 denotes an LSI formed on the semiconductor wafer 300.

Next, the operation of the data verification apparatus according to the fifth embodiment will be described.
In a semiconductor LSI, since a memory device occupies most of the mounting area, it can be expected that the reduction of the memory device has a great effect on the reduction of the chip area.

  Conventionally, integrating a verifier capable of performing an endurance test on one chip together with a non-verifier requires a memory device for mounting verification data, which increases the chip area. It was hard to say realistic.

  However, by using the data processor verifier described in the first to fourth embodiments of the present invention, the reference value data can be reduced in the durability test. Even if 104 is integrated on one chip together with the data processor 200 as a device to be verified, it is possible to reduce the number of memory devices on which verification data is mounted, so that an increase in chip area can be suppressed.

  Note that the verification operation in this case is as described in the first to fourth embodiments, and thus the description thereof is omitted here.

  According to the verification device according to the fifth embodiment configured as described above, the verifier is integrated on one chip together with the device to be verified, and has been described in the first to fourth embodiments. By using the data verification device, it is possible to reduce the reference value data in the endurance test, and it is possible to reduce the number of memory devices on which verification data is mounted, and it is possible to suppress an increase in chip area.

  In the first to fourth embodiments, audio data is mainly used as an example of test data of a verification device that performs a durability test of a data processor. However, this is based on periodic test data. If so, it may be video data.

  Similarly, the data processor has been described by taking the decoding process of the audio stream as an example, but this may be a decoding process of video data. Further, the function of the data processor is not limited to the decoding process of the encoded data, but may be a function that performs a noise removal function or a process that improves the image quality, or an image, video, or music data It may be an encoding process.

  In the first to fourth embodiments, the test data storage device and the reference value data storage device are provided separately. However, they are provided on the physically same storage medium. You may make it provide logically separated.

  Further, the test data may not be stored in the storage medium. For example, the directly encoded data may be directly input from the encoding device or the like to the data processor. Good.

  In the second embodiment, the description has been given using audio data having a single waveform. However, if the reference data generator can generate the reference value data from the configuration parameters, the data having a single frequency is not necessarily used. It does not have to be. An example is audio skew data.

  In the data processor in the third embodiment, the downsampling process and the partial data extraction process are performed. However, only one of the processes may be performed. Further, arithmetic processing such as data averaging processing and addition processing may be performed in combination, and arbitrary processing that can reduce the data amount of data to be verified may be performed. Of course, the processing target is not limited to audio data, and processing may be performed on video data.

  The data verification apparatus according to the present invention is useful particularly when performing an endurance test when verifying the output of a data processor that performs predetermined processing on data such as music and video.

The block diagram of the data verification apparatus 100 by the 1st Embodiment of this invention Illustration of processing in data repeater The block diagram of the data verification apparatus 101 by the 2nd Embodiment of this invention Explanation of processing in the reference data generator The block diagram of the data verification apparatus 102 by the 3rd Embodiment of this invention Explanatory drawing of processing with data processor The block diagram of the data verification apparatus 103 by the 4th Embodiment of this invention Explanatory diagram of processing in the reference data generator The block diagram of the data verification apparatus 104 by the 5th Embodiment of this invention Configuration of conventional data verification device

Explanation of symbols

10 Test data memory 30 Reference value data memory 31 for one period 31 Reference value data parameter memory 32 Reference value data memory 40 Comparison / judgment device 50 Data repeater 60 Reference data generator 80 Data processor 90 Reference data Generator 100 Verification apparatus 101 Verification apparatus 102 Verification apparatus 103 Verification apparatus 104 Verification apparatus 200 Data processor 201 Decoder 300 Wafer 400 LSI

Claims (5)

In a data verification apparatus for verifying the output of data processing means for performing predetermined processing by inputting test data prepared in advance to the data processing means,
Test data storage means for storing periodic data and outputting the data to the data processing means;
Reference value data that stores one cycle of data that has been confirmed to have been processed normally in the same way as the predetermined processing in the data processing means for the data in the test data storage means Storage means;
Data repeated output means for repeatedly outputting data stored in the reference value data storage means;
Data output by the data processing means when the periodic data stored in the test data storage means are input to the data processing means, and data stored by the reference value data storage means Data comparison determination means for comparing the data output from the repetitive output means at the time of outputting
A data verification device characterized by comprising: In a data verification apparatus for verifying the output of data storage means for performing predetermined processing by inputting test data prepared in advance to the data storage means,
Test data storage means for storing periodic data and outputting the data to the data processing means;
Configuration parameter storage means for storing configuration parameters for generating reference value data;
Reference data generation means for generating and outputting reference value data from the configuration parameters stored in the configuration parameter storage means;
The data output by the data processing means when the periodic data stored in the test data storage means is input to the data processing means, and the configuration parameters are output from the configuration parameter storage means. A data comparison / determination unit that compares the data output from the reference data generation unit to determine a match / mismatch;
A data verification device characterized by comprising: In a data verification apparatus for verifying the output of data storage means for performing predetermined processing by inputting test data prepared in advance to the data storage means,
Test data storage means for storing periodic data and outputting the data to the data processing means;
Data processing means for inputting the data output by the data processing means, performing processing for reducing the data amount, and outputting the data;
For one cycle of data for which it has been confirmed that the same processing as the predetermined processing in the data processing means is normally performed on the data in the test data storage means, the data processing means Reference value data storage means for storing and outputting data subjected to similar data amount reduction processing;
Data repeated output means for repeatedly outputting data stored in the reference value data storage means;
Data output by the data processing means when data having periodicity stored in the test data storage means is input to the data processing means, and data in which the reference value data storage means is stored Data comparison determination means for comparing the data output from the repetitive output means at the time of outputting
A data verification device characterized by comprising: In a data verification apparatus for verifying the output of data processing means for performing predetermined processing by inputting test data prepared in advance to the data processing means,
Test data storage means for storing a plurality of periodic data and outputting any of the plurality of data to the data processing means;
Reference data generating means for extracting and outputting data for one cycle from the data output by the data processing means;
Reference value data storage means for storing / rewriting and outputting the data for one cycle output by the reference data generation means;
Data repeated output means for repeatedly outputting data stored in the reference value data storage means;
Comparing the data output from the data processing means when the periodic data stored in the test data storage means is input to the data processing means and the data output from the data repetition output means A data comparison / determination means for determining match / mismatch;
A data verification device characterized by comprising: In the data verification device according to any one of claims 1 to 4,
The data verification device is fabricated on the same chip as the data processing means.
A data verification apparatus characterized by that.

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