CN101202034B - Data processing apparatus, sound resource equipment and image equipment - Google Patents
Data processing apparatus, sound resource equipment and image equipment Download PDFInfo
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- CN101202034B CN101202034B CN2007101985477A CN200710198547A CN101202034B CN 101202034 B CN101202034 B CN 101202034B CN 2007101985477 A CN2007101985477 A CN 2007101985477A CN 200710198547 A CN200710198547 A CN 200710198547A CN 101202034 B CN101202034 B CN 101202034B
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Abstract
The invention provides a data processing device, wherein a sound source device and an image device are sharing a storage. In the data processing device, the image device can read data required by the sound source device from the storage. The sound source device notifies the size of the data reading from the storage to the image device, and the image device continuously reads the data of notified size from the storage.
Description
Technical field
The present invention relates to a kind of data processing equipment by audiogenic device and vision facilities shared storage, and audiogenic device that in this data processing equipment, uses and vision facilities.
Background technology
In game machines such as pinball game, as the data processing equipment that picture material data and sound content-data are regenerated, be extensive use of following structure, promptly, the audiogenic device of the vision facilities of image data processing and processing tone data is handled (for example, with reference to patent documentation 1 and patent documentation 2) respectively independently.
Be reduced to purpose with the cost of realizing above-mentioned data processing equipment, the applicant is willing among the 2006-5987 the spy, proposes a kind of data processing equipment that has by the structure of vision facilities and audiogenic device shared storage.In this storer common type data processing equipment, storing image data and tone data in shared storage, vision facilities is responsible for from this shared storage reading of data, on the one hand, reads image data is also handled, on the other hand, receive from the request of audiogenic device and read tone data, the tone data that reads out is supplied to audiogenic device from vision facilities.
Patent documentation 1: the spy opens the 2004-233747 communique
Patent documentation 2: the spy opens the 2004-233748 communique
Summary of the invention
But, in above-mentioned data processing equipment, even wish from shared storage, to read under the situation of continuous tone data, because vision facilities can't be learnt the data volume that audiogenic device will read, so can't carry out reading of tone data at a high speed at audiogenic device.Therefore, produce following problems: expend time in when reading tone data and the regeneration quality of sound-content is worsened, above-mentioned delay simultaneously also involves to the reading of view data, and the regeneration quality of picture material is also worsened.
The present invention proposes in view of the above problems, and its purpose is, in the data processing equipment by audiogenic device and vision facilities shared storage, can read the data that audiogenic device is asked at a high speed from storer by vision facilities.
The present invention proposes in order to solve above-mentioned problem, and data processing equipment of the present invention has: audiogenic device, and it handles tone data; Vision facilities, its image data processing; And storer, it stores above-mentioned tone data and above-mentioned view data, by reading of above-mentioned vision facilities control data, it is characterized in that, above-mentioned audiogenic device sends the tone data that comprises reading of data amount information to above-mentioned vision facilities and reads request, this reading of data amount information is used to specify the data volume of the tone data that reads from above-mentioned storer, above-mentioned vision facilities, receiving above-mentioned tone data when reads image data from above-mentioned storer reads under the situation of request, with read this view data and compare, the preferential tone data that is read the represented data volume of the reading of data amount information of request by the above-mentioned tone data that receives that reads from above-mentioned storer is sent to above-mentioned audiogenic device with the tone data that reads.
According to the present invention, notify the data volume that reads from storer by making audiogenic device to vision facilities, and read the data of the data volume of this notice by vision facilities continuously from storer.Thus, can read the data that audiogenic device is asked from storer at high speed by vision facilities.
In above-mentioned data processing equipment, the specified data volume of preferred above-mentioned reading of data amount information is variable.
According to this structure, audiogenic device can be specified the data volume that reads from storer changeably.Thus, by this data volume being set at the corresponding appropriate value of characteristic with tone data that reads from storer and regenerate and view data, on one side can obtain the balance of the regeneration quality of sound and image, Yi Bian data processing equipment is moved in the best condition.
In addition, in above-mentioned data processing equipment, also can make above-mentioned vision facilities with from above-mentioned storer continuously the 1st read mode of reading of data or from above-mentioned storer any pattern with the 2nd read mode of the unit's of reading reading of data of regulation move, to read the reading of data amount information of request corresponding and switch the above-mentioned the 1st or the 2nd read mode with the above-mentioned tone data that receives.
According to this structure, for reading of tone data, not only can read continuously, and can read with unit's of reading (each 1 word length) of regulation.
In addition, in above-mentioned data processing equipment, also can make from above-mentioned audiogenic device is M position (M is the integer more than or equal to 1) to the unit of the data of above-mentioned vision facilities transmission, it is that (m is an integer in the m position that above-mentioned audiogenic device is specified the address size of the address of the tone data that reads from above-mentioned storer, and 1≤m＜M), (n is an integer to the data that above-mentioned reading of data amount information is the n position, and 1≤n≤M-m), above-mentioned audiogenic device will comprise the data of above-mentioned address and above-mentioned reading of data amount information, and the request of reading sends as above-mentioned tone data.
According to this structure, can utilize the room when sending the address to send reading of data amount information.
Audiogenic device of the present invention, it is handled the tone data that reads from external memory storage, this external memory storage is read by the vision facilities control data of image data processing, it is characterized in that, the tone data that this audiogenic device will the comprise reading of data amount information request of reading is sent to above-mentioned vision facilities, and this reading of data amount information is used to specify the data volume of the tone data that reads from external memory storage.
Vision facilities of the present invention is following vision facilities, it handles the view data that reads from external memory storage, receive request simultaneously from the audiogenic device of handling tone data, from seek pleasure sound data and supply with of said external memory read to above-mentioned audiogenic device, it is characterized in that, this vision facilities is when the said external storer reads view data, the tone data that receives from the reading of data amount that the comprises information of above-mentioned audiogenic device reads under the situation of request, with read this view data and compare, preferentially read the tone data that the above-mentioned tone data that receives reads the represented data volume of the reading of data amount information of request from above-mentioned storer, wherein, this reading of data amount information is used to specify the data volume of the tone data that reads from the said external storer.
The effect of invention
According to the present invention, because the data volume that audiogenic device is read from storer to the vision facilities notice, read the data of the data volume of this notice by vision facilities continuously from storer, so can read the data that audiogenic device is asked from storer at high speed by vision facilities.Thus, can make data processing equipment, with good quality regeneration sound and picture material by audiogenic device and vision facilities shared storage.
Description of drawings
Fig. 1 is the structural drawing of the data processing equipment that relates to of an embodiment of the invention.
Fig. 2 is the data structure diagram of the address date of audiogenic device transmission.
Fig. 3 is the sequential chart of the time relationship of each signal of input and output in the explanation audiogenic device.
Fig. 4 is the processing flow chart of memory interface.
Fig. 5 is the processing flow chart (variation) of memory interface.
Embodiment
Below, the embodiment that present invention will be described in detail with reference to the accompanying.
Fig. 1 represents the structural drawing of the data processing equipment that an embodiment of the invention are related.In the figure, data processing equipment 1 has master cpu 2, audiogenic device 3, vision facilities 4 and storer 5.
Audiogenic device 3 reads tone data based on the order of master cpu 2 from storer 5, and the tone data that reads is implemented predetermined processing and generated the note signal that is used to drive loudspeaker 7, and the note signal that generates is supplied to loudspeaker 7.Here, reading tone data from storer 5 is to carry out via vision facilities 4 (memory interface 13), describes in detail in the back.
In addition, be under compression such as MP3 (MPEG (the Moving Picture Experts Group) Audio Layer-3) data conditions at tone data, handle as afore mentioned rules, by being launched, handles the tone data that reads out, generate note signal.In addition, at tone data is under the situation of MIDI (Musical Instruments Digital Interface) sequence data, the sequence data that reads is made an explanation, read the sound source data that is built in the audiogenic device 3, be supplied to loudspeaker 7 as note signal according to its result.
Vision facilities 4 is from storer 5 reads image data and regenerate, and receives simultaneously from the request of audiogenic device 3 and reads tone data from storer 5, is supplied to audiogenic device 3.The concrete structure of vision facilities 4 as shown in Figure 1, has master control interface (master control I/F) 11, image processing part 12, memory interface (memory I/F) 13.
Data input and output between 11 controls of master control interface and the master cpu 2 will be sent to image processing part 12 from the picture material regeneration order of master cpu 2.Image processing part 12 receives this regeneration order and decision is represented the address of the memory location of the view data that reads from storer 5 address date to be supplied to memory interface 13.Memory interface 13 is sent to storer 5 by the address date that will be supplied with, and reads by this address date image data specified from storer 5, and the view data that reads out is sent to image processing part 12.Image processing part 12 by to implementing predetermined processing as the above-mentioned view data that obtains, is supplied to display device 6 with the picture signal that is obtained, and makes display device 6 display images.
In addition, the request of also will reading from the tone data of audiogenic device 3 inputs to memory interface 13.Memory interface 13 reads tone data from the address of being read the storer 5 of asking appointment by this, the tone data that reads is sent to audiogenic device 3.Here, memory interface 13 reads the read mode of tone data from storer 5, as following use Fig. 2 and Fig. 3 explanation, have random access mode and connected reference pattern, this random access mode reads the data of 1 word length (1 unit of reading) at every turn in the request of reading (address appointment) each time, this connected reference pattern is once reading in the request, begins to read continuously a plurality of data of specified quantity (regulation word length) from specified address.Read with any pattern by audiogenic device 3 appointments, perhaps under the situation of connected reference pattern, read how many word lengths continuously.
Fig. 2 is the data structure diagram of presentation address data, and to be audiogenic device 3 send to vision facilities 4 (memory interface 13) when storer 5 reads tone data this address date, is used to specify the memory location of the tone data that reads.In addition, specify by 26 relative address the address of tone data.
In Fig. 2, the 0th～11st is low order address L-ADR, and the 12nd～13rd is empty (value is 0), and the 14th～15th is pattern specific data PM.In addition, the 16th～29th is high address H-ADR, and the 30th～31st is empty (value is 0).Making the bus bandwidth that sends address date here, is 16.At this moment, the data that the address date of Fig. 2 are divided into the 0th～15th data and the 16th～31st send.
Pattern specific data PM is 2 data that are used to specify the tone data read mode, as shown in FIG., PM=0 then specifies random access mode, and PM=1 then specifies the connected reference pattern that reads 80 word lengths continuously, and PM=2 then specifies the connected reference pattern that reads 160 word lengths continuously.In addition, PM=3 does not here use.
Like this,, can utilize room (the 14th～15th) the sending mode specific data PM when sending address date, thereby specify the read mode of tone data and read number of lengths continuously by using the data structure of Fig. 2.In addition, owing to can select 3 kinds of read modes by pattern specific data PM, thus can be corresponding and set with the characteristic of tone data and view data, the optimum condition that averages out with the regeneration quality that becomes sound and picture material.
Below, with reference to Fig. 3 and Fig. 4 the action of audiogenic device 3 when storer 5 reads tone data is described.
Fig. 3 is the sequential chart of the time relationship of each signal of input and output in the explanation audiogenic device 3.Here, to be appointed as pattern specific data PM=1, the situation that the connected reference pattern of 80 word lengths is read in selection continuously is that example describes.
Audiogenic device 3, at first making signal line BUS when moment t1 is high level " H ", to data bus D output high address H-ADR, making signal line SYNC_H subsequently is high level " H " then.Memory interface 13 passes through the high level " H " of detection signal circuit BUS, and knows that carrying out the address sends this situation, receives the high level " H " of this signal line SYNC_H then, and obtains the high address H-ADR on the data bus D.
Then, audiogenic device 3 is at moment t2, and making signal line SYNC_H is low level " L ", and to data bus D output low order address L-ADR and pattern specific data PM, then, making signal line SYNC_L is high level " H " simultaneously.The high level " H " of memory interface 13 received signal circuit SYNC_L, and obtain low order address L-ADR and pattern specific data PM on the data bus D.Then, at moment t3, audiogenic device 3 stops the OPADD to data bus D, makes signal line SYNC_L and BUS return to low level " L " simultaneously.
On the other hand, obtained the memory interface 13 of address H-ADR, L-ADR and pattern specific data PM,, waiting signal circuit WAIT has been made as high level " H " at moment t4.Audiogenic device 3 is waited for and is sent data (tone data that request is read) from memory interface 13 detecting during waiting signal circuit WAIT is high level " H ".Then, memory interface 13 makes waiting signal circuit WAIT become low level " L " at moment t5, and the tone data of 1 word length is read in the above-mentioned address of obtaining from storer 5 simultaneously, and the tone data data1 that reads is exported to data bus D.
Then, audiogenic device 3 receives waiting signal circuit WAIT becomes low level " L ", and obtains the tone data data1 among the data bus D, sends the signal INC that progressively increases then.Memory interface 13 receives these signal INC that progressively increase, and makes counter add 1 when initial (to counter input value 0).In addition, memory interface 13 stops the output to data bus D, once more waiting signal circuit WAIT is made as high level " H " simultaneously.
Then, memory interface 13 is made as low level " L " at moment t6 with waiting signal circuit WAIT, reads tone data data2 on the next address of the above-mentioned tone data data1 that reads out from storer 5 simultaneously, exports to data bus D.Audiogenic device 3 receives waiting signal line line WAIT becomes low level " L ", thereby obtains the tone data data2 among the data bus D, and sends the signal INC that progressively increases.
Then, carry out identical action repeatedly, become 80 (because pattern specific data PM=1) until the Counter Value of counter.
Like this, by from audiogenic device 3 to memory interface 13 sending mode specific data PM, can make memory interface 13 read tone data by the number of lengths of pattern specific data PM appointment by connected reference (under the situation of PM=0 for random access).
Fig. 4 represents the processing flow chart of memory interface 13.
Read request if send tone data from audiogenic device 3, and receiver address data (step S1), judge that then whether image processing part 12 is from storer 5 reads image data (step S2).Under situation just in reads image data, the reading of interrupt images data (step S3).Then, judge the value (step S4) of the pattern specific data PM that from the address date that audiogenic device 3 receives, comprises, be set at the read mode (step S5～step S7) of the tone data corresponding with its value.
Then, at first read the tone data (step S8) of 1 word length, judge read whether finish (the step S9) of tone data subsequently from storer 5.Tone data read the judgement that whether finishes, be to carry out according to the read mode of setting.That is, be set at by step S5 under the situation of random access mode, just finishing reading of the tone data of being asked owing to read 1 word length, so jump to step S10.In addition, being set under the situation of connected reference pattern (reading 80 word lengths) by step S6, jump to step S8, the processing of repeating step S8～step S9 is until reading 80 word lengths.
Finish if in step S9, be judged as reading of tone data, then restart read (the step S10) of the view data of in step S3, interrupting.
Thus, read request,, preferentially carry out reading of tone data based on pattern specific data PM even then image processing part 12 also interrupts this and reads processing just the reading of carries out image data if send tone data from audiogenic device 3.At this moment, if specify the connected reference pattern, then read the tone data of specified number of lengths continuously.Then, tone data read finish after, restart reads image data.
On the other hand, if send the view data request of reading (step S11), judge in step S9 then that tone data reads whether to finish from image processing part 12.Under the situation that reading of tone data do not finish as yet, postpone the beginning of reading of view data, until the circulation of jumping out step S8～step S9.Then, if reading of tone data finishes, then begin reads image data.
Fig. 5 is the process flow diagram of the processing variation of expression memory interface 13.Here, vision facilities 4 has temporary buffer, the tone data that temporary transient storage reads out from storer 5 in this temporary buffer.
In the figure, specifically, the processing from step S1 to step S4 of the processing from step S21 to step S24 and Fig. 4 is carried out in the same manner.Then, being appointed as under the situation of random access mode, in step S25, read the tone data of 1 word length, and it is stored in the temporary buffer of vision facilities 4 from storer 5.In addition, under the situation of being appointed as connected reference pattern (80 word length), in step S26, read the tone data of 80 word lengths continuously from storer 5, and be stored in the temporary buffer.
In addition, under the situation of being appointed as connected reference pattern (160 word length), in step S27, read the tone data of 160 word lengths continuously from storer 5, and be stored in the temporary buffer.With the tone data that temporarily is stored in the temporary buffer as noted above, subsequently with suitable timing, read 1 word length at every turn, be sent to audiogenic device 3.
On the other hand,, under each pattern, finish and read tone data, then restart immediately from storer 5 reads image data (step S28) from storer 5 if among above-mentioned steps S25～S27.
As described above, according to present embodiment, because audiogenic device 3 sends the amount of tone data is read in expression from storer 5 pattern specific data PM to vision facilities 4, vision facilities 4 is according to this pattern specific data PM, read the tone data of specified data volume (80 word lengths or 160 word lengths) continuously from storer 5, so can make vision facilities 4 read the data that audiogenic device 3 is asked from storer 5 at high speed.Thus, in notebook data treating apparatus 1, can regenerate with good product confrontation sound and picture material by audiogenic device 3 and vision facilities 4 shared storages 5.
In addition, processing according to Fig. 5, because can be when tone data being stored in the temporary buffer that is arranged in the vision facilities 4, restart reads image data, so in the notebook data treating apparatus 1 of audiogenic device 3 and vision facilities 4 shared storages 5, can regenerate with better product confrontation sound and picture material.
More than, describe an embodiment of the invention in detail with reference to accompanying drawing, but concrete formation is not limited in foregoing, can carry out various design alterations etc. in the scope that does not break away from purport of the present invention.
For example, the pattern specific data PM of above-mentioned explanation specifies an example of reading of data amount information that reads the data volume of tone data from storer 5 by audiogenic device 3, but the present invention is not limited to this.For example, also can replace and as PM=0～3, specify read mode, and direct appointment as how many word lengths are the data volume that appointment is read continuously be.In addition, can suitably change this data designated amount by audiogenic device 3.
In addition, pattern specific data PM is 2 data, but so long as is less than or equal to the figure place of the spare bits when sending address date H-ADR and L-ADR and gets final product.Promptly, if is M position (M is the integer more than or equal to 1) from audiogenic device 3 to the unit (bandwidth of data bus D) that vision facilities 4 sends data, the address size of address date H-ADR and L-ADR is that (m is an integer in the m position, and 1≤m＜M), then as long as the figure place n of pattern specific data PM satisfies 1≤n≤M-m.Pattern specific data PM can comprise any information (information such as number of lengths that reads continuously) in the scope of this n position, can send simultaneously with address date.
In addition, memory interface 13 also can constitute, for example in the process of the tone data that reads 160 word lengths continuously, send from image processing part 12 under the situation of the request of reading of view data, (for example to 80 word lengths) are supspended and are read tone data halfway, storage has simultaneously read to this information of this position (80 word length), the view data of being asked read finish after, restart to read tone data from the next position (the 81st word length).
In addition, memory interface 13 is being judged when setting the read mode of tone data from the pattern specific data PM of audiogenic device 3, if specify the pattern specific data PM that reads 1 word length or 80 word lengths, all the time allow unconditionally that then read mode and the preferential execution of setting the tone data corresponding with this number of lengths read tone data, but, then carry out following processing if specify the pattern specific data PM that reads 160 word lengths.That is, also can read under the situation of 160 word lengths, forbid being set at and read 160 word lengths with situation (for example, the situation etc. that reads of view data) correspondence, and replace it, be set at and read 1 word length or 80 word lengths by pattern specific data PM appointment.In addition, also can be corresponding with situation, at first forbid being set at and read 160 word lengths, and replace it, be set at and read 1 word length or 80 word lengths, under the situation that this situation changes, switch to the setting of reading 160 word lengths then from the setting of reading 1 word length or 80 word lengths.
Claims (6)
1. data processing equipment, it has: audiogenic device, it handles tone data; Vision facilities, its image data processing; And storer, it stores above-mentioned tone data and above-mentioned view data, by reading of above-mentioned vision facilities control tone data or view data,
It is characterized in that,
Above-mentioned audiogenic device sends the tone data that comprises reading of data amount information to above-mentioned vision facilities and reads request, and this reading of data amount information is used to specify the data volume of the tone data that reads from above-mentioned storer,
Above-mentioned vision facilities, receiving above-mentioned tone data when reads image data from above-mentioned storer reads under the situation of request, with read this view data and compare, the preferential tone data that is read the represented data volume of the reading of data amount information of request by the above-mentioned tone data that receives that reads from above-mentioned storer is sent to above-mentioned audiogenic device with the tone data that reads.
2. data processing equipment according to claim 1 is characterized in that,
The specified data volume of above-mentioned reading of data amount information is variable.
3. data processing equipment according to claim 2 is characterized in that,
Is the M position from above-mentioned audiogenic device to the unit of the data of above-mentioned vision facilities transmission, and wherein M is the integer more than or equal to 1,
It is the m position that above-mentioned audiogenic device is specified the address size of the address of the tone data that reads from above-mentioned storer, and wherein m is an integer, and 1≤m＜M,
Above-mentioned reading of data amount information is the data of n position, and wherein n is an integer, and 1≤n≤M-m,
The request of reading sends the data that above-mentioned audiogenic device will comprise above-mentioned address and above-mentioned reading of data amount information as above-mentioned tone data.
4. audiogenic device, it is handled the tone data that reads from external memory storage, and this external memory storage is by the vision facilities control tone data of image data processing or reading of view data,
It is characterized in that,
The tone data that this audiogenic device will the comprise reading of data amount information request of reading is sent to above-mentioned vision facilities, and this reading of data amount information is used to specify the data volume of the tone data that reads from external memory storage,
Thus, above-mentioned vision facilities reads the tone data by the represented data volume of above-mentioned reading of data amount information from the said external storer, the tone data that reads is sent to above-mentioned audiogenic device.
5. vision facilities, it handles the view data that reads from external memory storage, receives the request from the audiogenic device of handling tone data simultaneously, from seek pleasure sound data and supply with of said external memory read to above-mentioned audiogenic device,
It is characterized in that,
This vision facilities is when the said external storer reads view data, the tone data that receives from the reading of data amount that the comprises information of above-mentioned audiogenic device reads under the situation of request, with read this view data and compare, preferentially read the tone data that the above-mentioned tone data that receives reads the represented data volume of the reading of data amount information of request from above-mentioned storer, wherein, this reading of data amount information is used to specify the data volume of the tone data that reads from the said external storer.
6. data processing equipment, it has: audiogenic device, it handles tone data; Vision facilities, its image data processing; And storer, it stores above-mentioned tone data and above-mentioned view data, by reading of above-mentioned vision facilities control tone data or view data,
It is characterized in that,
Above-mentioned audiogenic device sends the tone data that comprises the pattern specific data to above-mentioned vision facilities and reads request, and this pattern specific data is used to specify the read mode of tone data,
Above-mentioned vision facilities, receiving above-mentioned tone data when reads image data from above-mentioned storer reads under the situation of request, the above-mentioned pattern specific data that comprises corresponding to the request of reading of above-mentioned tone data, be set at a certain in random access mode and the connected reference pattern, with read above-mentioned view data and compare, the preferential tone data that from above-mentioned storer, reads 1 word length or a plurality of word lengths, the tone data that reads is sent to above-mentioned audiogenic device, wherein, this random access mode is meant that tone data of every reception reads request, read the tone data of 1 word length from above-mentioned storer, this connected reference pattern is meant that tone data of every reception reads request, is that unit reads tone data from above-mentioned storer with a plurality of word lengths.
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| JP2006336415A JP4265650B2 (en) | 2006-12-13 | 2006-12-13 | Data processing apparatus and image device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5553220A (en) * | 1993-09-07 | 1996-09-03 | Cirrus Logic, Inc. | Managing audio data using a graphics display controller |
| EP0827348A2 (en) * | 1996-08-26 | 1998-03-04 | STMicroelectronics, Inc. | Video and audio decompression and compression device with a shared memory interface |
| CN1523514A (en) * | 2003-02-20 | 2004-08-25 | 松下电器产业株式会社 | Integrated circuit and electric device use thereof |
| EP1591884A2 (en) * | 2004-04-28 | 2005-11-02 | Sony Corporation | Information processing apparatus, information processing method, and program |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5553220A (en) * | 1993-09-07 | 1996-09-03 | Cirrus Logic, Inc. | Managing audio data using a graphics display controller |
| EP0827348A2 (en) * | 1996-08-26 | 1998-03-04 | STMicroelectronics, Inc. | Video and audio decompression and compression device with a shared memory interface |
| CN1523514A (en) * | 2003-02-20 | 2004-08-25 | 松下电器产业株式会社 | Integrated circuit and electric device use thereof |
| EP1591884A2 (en) * | 2004-04-28 | 2005-11-02 | Sony Corporation | Information processing apparatus, information processing method, and program |
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| CN101202034A (en) | 2008-06-18 |
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