WO1999026237A1

WO1999026237A1 - The method and apparatus for storing and reproducing an audio card

Info

Publication number: WO1999026237A1
Application number: PCT/CN1997/000123
Authority: WO
Inventors: Chiawen Wen
Original assignee: Vastar Technology Corporation
Priority date: 1997-11-13
Filing date: 1997-11-13
Publication date: 1999-05-27
Also published as: AU4939897A

Abstract

This invention relates to an audio magnetic card and the method as well as the apparatus using the card. This design enables the apparatus to store the audio data on the IC memory body embedded in the card and to reproduce the stored data from the IC body. Combining the content and the outline, this card has effectiveness of vision sensing and audio hearing, as well as the value of collection and preservation.

Description

Method and device for storing and playing sound card

The present invention relates to a method and device for storing sound, and more particularly, to a method for storing an IC memory into a card to make a sound card, and storing and playing sound through a sound storage and playback device. Information here

Method and device for storing and playing sound card in IC memory.

Narration of prior art

At present, cards on the market include commercial cards, such as player cards, star cards, and cartoon cards, and various greeting cards such as mother cards, new year cards, birthday cards, and lover cards ... signature cards, postcards, and business cards with stars And religious cards. Among them, commercial cards are value-added and preserved, while greeting cards are worthy of being memorized because of the text written on them. Whether it is a commercial card or a greeting card, people make the card valuable because of the pattern or text on it, so as long as you look at the pattern or scheme on it, you will be imaginative or remember the scene at that time. Endless aftertaste. Whether it is the pattern or text on the card. It is a visual effect. This is its imperfection. If the card can also save the sound, for example, you can hear the player ’s shouts, comments, or the voice of the party when playing the card. Introduction and greetings. When watching the star card and cartoon card, you can hear the voice of the star at the same time, and you can hear the dialogue of the cartoon characters. While sending the card to the father, mother, lover and friends, in addition to writing the heart on the card In addition to emotion, you can also leave a sound in the card, that is, add visual effects to auditory effects. It can make people hear the sound while looking at the card, and have the feeling of being there> As if the players and cartoon characters are right in front of them, As if they have heard the voices of their old friends again, the memories are vivid, and I ca n’t help feeling Moving.

The purpose of the invention

Since the commercial cards and greeting cards on the current surface only have a visual effect, but not an audible effect, the present invention aims to provide a method and device for storing and playing sound cards.

Summary of the Invention

Because the current memory technology is quite mature, it can be made into a very small and ultra-small size, and it can be ultra-thin, and the cost has also decreased year by year. The application of IC memory is very common, so it is feasible to make sound cards. The method and device for storing and playing sound cards according to the present invention include a card equipped with an IC memory as a sound card and a sound storing and playing device. The IC memory stores sound data, and the sound data can be obtained by Sound storage and playback device to modify, store or read.

The present invention includes a sound card, which is an IC memory loaded into a card; a sound storage device; and, a sound playback device; the sound storage device stores the analog sound digital data in the IC memory in the sound card The sound data stored in the IC memory in the sound card through a sound playback device, Such a design, combined with the content and appearance of the card, can have both visual and auditory effects, and can be more valuable for storage and preservation. The IC memory in the sound card has a set of contacts on the card surface. It can be connected to a sound storage and playback device; wherein the sound storage device and the sound playback device can be the same device; wherein the IC memory in the sound card can be various non-volatile IC memory; the device includes: A recording circuit, which is used to convert externally input analog sound data into digital sound data, and compresses the digital sound data; a playback path, which is used to decompress the compressed digital sound data Compress and convert it to analog sound data and play it; a microprocessor, which is connected to the input and output terminals of the recording circuit, playback circuit, and sound card, and is used to handle the storage and playback of sound data; The processor is also connected to a temporary memory; a contact interface, which is used as a sound card The electrical connection between the contact and the microprocessor contact, and the power supply voltage contact of the sound card is connected to the power supply, and the ground contact is grounded; and a set of control buttons including a recording control button, a playback control button, and a write Into the control buttons, this set of control buttons is used to control the microprocessor to perform recording or playback functions, or to write sound data signals into the memory; such a circuit design allows the user to control by this set of control buttons respectively The contact is closed to make the sound storage contact with the playback device and sound card and the related control terminals, and the digital sound data compressed by the recording circuit can be stored in the temporary storage memory by the microprocessor's control. It is played in the body and played through the playback circuit until the data is correct. Then the sound data is written into the sound card. Or the data in the sound card with the sound stored is read out and played through the playback circuit. Among them, the recording circuit contains Sound sensor. Amplifier, analog-to-digital conversion circuit, and sound data compression circuit; among them, playback circuit It includes a sound data decompression circuit, a digital-analog conversion circuit, a low-pass filter, an amplifier, and a speaker. Among them, a state output device connected to the microprocessor can be added, and the state output device can be used as a common amplifier with the playback circuit. And the speaker, the microprocessor and the status output device are used to drive the amplifier to emit different sounds through the speaker to inform the user whether the sound card is inserted, whether the insertion method is correct, recordable or not, and sound recording completed; The output device can be matched with a visual output device such as a light emitting diode to display whether the sound card is inserted, whether the insertion method is correct, whether it can be recorded or not, and whether the sound recording is completed.

Positive effects of the invention

Compared with the prior art, the present invention has the enjoyment of visual effects and auditory effects. Since the current memory technology is quite mature, it can be made into a very small and ultra-small in size, and can be ultra-thin, and the cost is also reduced year by year.

In order to further understand the features and technical contents of the present invention, please refer to the following drawings and detailed description of the present invention. However, the drawings are provided for reference and description only, and are not intended to limit the present invention. Show instructions

FIG. 1 is a circuit block diagram of a sound card and a sound storage and playback device used in the present invention. FIG. 2 is a flowchart for storing or playing an IC memory that can be written only once using the sound storage and playback device of the present invention

FIG. 3 is a flow chart for storing or playing a rewritable IC memory using the sound storage and playback device of the present invention.

FIG. 4 is a circuit block diagram of another embodiment using a sound card and a sound storage and playback device used in the present invention

Figure 5 is a flowchart for using the sound storage and playback device of Figure 4.

FIG. 6 is a circuit block diagram of a sound playback device used in the present invention

FIG. 7 is a flowchart for playing sound using the sound playback device of the present invention

Examples

Please refer to FIG. 1. FIG. 1 is a circuit block diagram of a sound card and a sound storage and playback device used in the present invention. Among them: The sound card 10 is formed by packaging various non-volatile memories (NON-VOLATILE) in a card. The IC memory has a set of contacts on the surface of the card (for example, the power voltage contact V10, The ground contact G, the time contact CLK, the read / write selection contact R / W, the audio data transmission contact Di, Do) are connected to the sound storage and playback device 20. This group of contacts will be connected to the sound storage and playback device 20 through the contact interface 21. The IC memory may be a non-volatile IC memory (NON-VOLATILE MEMORY), such as Li, PROM, EPR0M, EEP OM. FLASH, MEMORY and so on. The sound card 10 is divided into read-only because of the type of IC memory in it, which can be stored once and can be stored multiple times. The sound storage and playback device 20 includes a recording circuit 22, which is used to convert analog sound data input from the outside into digital sound data and compress the digital sound data; a playback circuit 2 3, This circuit is used to decompress the compressed digital sound data and convert it to analog sound data to play; a microprocessor 2 4, the microprocessor 24 is connected to the recording circuit 22 and the playback circuit 2 3 To handle the storage and playback of sound data; a contact interface 21, which is used as an electrical connection between the sound card 10 contact and the microprocessor 24 contact, and the sound card

A power supply voltage contact V + of 10 is connected to the power source, and the ground contact G is grounded; and a set of control buttons 27, which includes a recording control button R, a playback control button P, and a write control Button W. This group of control buttons 27 is used to control the microprocessor 24 to perform recording or playback functions, or to write sound data signals into the memory. Such a circuit design allows the user to control by this group. The button 27 is used to control the closing of the contact, so that the sound storage and playback device 20 and the contact of the sound card 10 and the related control terminals are connected, and the control of the microprocessor 24 can be used to pass the recording circuit 2 2 The incoming sound data is stored in the sound card 10, or after the data in the sound card 10 with the sound is read out, it is played through the playback circuit 23. Of which microprocessor

2 4 and a temporary memory 2 4 1, and before the user saves the data, the device will compress the digital sound The data is temporarily stored in the temporary memory 2 4 1 'When the user performs the playback function'. The microprocessor 2 4 plays the data in the temporary memory 2 4 1 through the playback circuit 2 3. If the sound data If there is an error or the result is not very satisfactory, you can perform the recording function again until the data is correct, and then perform the writing function. This can avoid storing the wrong or unsatisfactory sound data in the sound card 10. The recording circuit 2 2 includes a sound sensor 2 2 1, an amplifier 2 2 2, an analog-to-digital conversion circuit 2 2 3, and a sound data compression circuit 2 2 4; and the playback circuit 2 3 contains a sound data decompression circuit 2 3 1, digital-to-analog conversion circuit 2 3 2, low-pass filter 2 3 3, amplifier 2 3 4 and field sounder 2 3 5. Here, the sound storage and playback device 20 can be provided with a status output device 2 5 connected to the microprocessor 2 4. The status output device 25 can share the amplifier 2 3 4 and the speaker 2 3 with the playback circuit 2 3 5. The microprocessor 2 and the status output device 2 5 are used to drive the amplifier 2 3 4 to send different sounds through the speaker 2 3 5 to inform the user whether the sound card 10 is inserted, whether the insertion method is correct, and whether it can be recorded As well as the completion of sound recording. In addition, the status output device 25 can also be used with a visual output device 26 such as a light emitting diode to display various states.

Please refer to FIG. 2. FIG. 2 shows the use of the sound storage and playback device of the present invention (as shown in FIG. 1) to store or play a write-only IC memory (WRITE-ONCE MEMORY). Flow chart of the sound of a body (such as MASK ROM). These IC memories include ROM, PROM, EPROM and so on.

Please refer to FIG. 3. FIG. 3 is a flowchart for storing or playing a repeatable read-write IC memory (REWRITABLE MEMORY) using the sound storage and playback device of the present invention. These IC memories include EEPROM, FLASH ROM, etc.

Please refer to FIG. 4. FIG. 4 is a circuit block diagram of another embodiment of a sound card and a sound storage and playback device used in the present invention. This embodiment is similar to the device of FIG. 1 except that this embodiment is only for removing the write control button W and the temporary storage memory 2 4 1 in the device of FIG. 1, which can make the circuit structure simpler. , But has the function of recording and playing. Among them: sound card 10, which is made by packaging various non-volatile memories (NONVOLATILE) in a card, IC memory has a set of contacts (such as power supply voltage contact V +, ground contact) on the card surface G, clock contact CLK, read / write selection contact R / W, sound data transmission contact Di, Do) to connect with the sound storage and playback device 30. This group of contacts will be connected to the sound storage and playback device 30 through the contact interface 31. The sound storage and playback device 30 includes a recording circuit 32, which is used to convert externally input analog sound data into digital sound data and compress the digital sound data; a playback circuit 3 3, This circuit is used to decompress the compressed digital sound data and convert it to analog sound data to play; a microprocessor 3 4, the microprocessor 34 is connected to the recording circuit 32 and the playback circuit 3 3 To handle the storage and playback of sound data; a contact interface 31, which is used as an electrical connection between the sound card 10 contact and the microprocessor 34 contact, and the sound card 1 0 supply voltage The contact V + is connected to the power source, and the ground contact G is grounded; and a group of control buttons 37, which includes a recording control button R and a playback control button? This set of control buttons 37 is used to control the microprocessor 34 to perform recording or playback functions. Such a circuit design allows the user to control the closing of the contacts by this set of control buttons 37 to make the contact The contacts and related control terminals of the sound storage and playback device 30 and the sound card 10 are connected, and the sound data from the recording circuit 32 can be stored in the sound card 10 by the control of the microprocessor 34, or After reading the data in the sound card 10 containing the sound, it is played through the playback circuit 33. The recording circuit 3 2 includes a sound sensor 3 2 1, an amplifier 3 2 2, an analog-to-digital conversion circuit 3 2 3, and a sound data compression circuit 3 2 4; and the playback circuit 3 3 contains a sound data decompression circuit 3 3 1, digital-to-analog conversion circuit 3 3 2, low-pass filter 3 3 3, amplifier 3 3 4 and speaker 3 3 5. Here, the sound storage and playback device 30 can be provided with a status output device 3 5 connected to the microprocessor 34, and the status output device 3 5 can share the amplifier 3 3 4 and the speaker 3 3 with the playback circuit 3 3 5. The microprocessor 3 4 and the status output device 3 5 are used to drive the amplifier 3 3 4 and the speaker 3 3 5 emits different sounds to inform the user whether the sound card 1 0 is inserted, whether the insertion method is correct, and can be recorded. No and voice recording is completed. In addition, the status output device 35 can also be used with a visual output device 36 such as a light emitting diode to display various statuses.

Please refer to FIG. 5. FIG. 5 is a flowchart of using the sound storage and playback device of FIG. 4. Please refer to FIG. 6. FIG. 6 is a circuit block diagram of a sound playback device used in the present invention. The device only has a sound playback function, but does not have a sound storage function. Therefore, the contents of the stored sound card cannot be modified. Sound data. The sound playback device 40 includes a playback circuit 41, which is used to decompress the compressed digital sound data and convert it into analog sound data for playback; a microprocessor 4 2 and the microprocessor 4 2 is connected to the playback circuit 41, which is used to process the playback function of sound data; a contact interface 4 3, which is used as the electrical connection between the sound card 10 contact and the microprocessor 4 2 contact Connect, and connect the power supply voltage contact V + of the sound card 10 to the power supply, and ground the ground contact G; and a playback control button P, which can be used to control the microprocessor 4 2 To perform the playback function. Such a circuit design allows the user to control the closing of the contacts by using this group of playback control buttons P, so that the contacts of the sound playback device 40 and the sound card 10 and related control terminals are turned on, so that micro The processor 42 regulates and reads out the data in the sound card 10 with the sound stored therein, and then plays it through the playback circuit 41. The playback circuit 41 includes a sound data decompression circuit 4 1 1. A digital-to-analog conversion circuit 4 1 2, a low-pass filter 4 1 3, an amplifier 4 1 4, and a speaker 4 1 5. A state output device 4 4 connected to the microprocessor 4 2 can be added to the device. The state output device 4 4 can share the amplifier 4 1 4 and the speaker 4 1 5 with the playback circuit 4 1 by micro processing. The driver 4 2 and the state output device 4 4 drive the amplifier 4 1 4 through the speaker 4 1 5 to send different sounds to inform the user whether the sound card 10 is inserted, whether the insertion method is correct, and whether there is data on the sound card 10, etc. Status, the The status output device 44 can be used with a visual output device 45 such as a light emitting diode to display various statuses. Generally, player cards, star cards, and cartoon cards have been burned before leaving the factory, and can be played by sound storage and playback devices and sound playback devices, but users cannot change their content. Other greeting cards such as Christmas cards, birthday cards, The mother card, etc., the user can use the sound storage and playback device to store his own sound when using it for the first time (if it is EEPROM or FLASH MEMORY, it can be stored repeatedly), and the sound storage and playback device or sound playback device To play.

Finally, please refer to FIG. 7. FIG. 7 is a flowchart of playing a sound by using the sound playback device (shown in FIG. 6) of the present invention. In summary, the present invention can provide a method and a device for storing and playing sound cards, which have both visual and auditory effects, and can make the cards more valuable for storage and preservation.

The above-mentioned embodiments are used to describe the purpose, features, and effects of the present invention in detail. Therefore, it is understood that the creation of the present invention has industrial applicability and progress, and the present invention is not seen in any publications, and it is also novel. In accordance with the provisions of the patent law; Also, for those skilled in the art, according to the above description, the specific embodiment may be partially changed or equally changed, but it does not depart from the spirit of the invention. .

Claims

Rights request

What is claimed is: 1. A method and device for storing and playing sound cards, comprising:

A sound card, which is to load an IC memory into a card;

A sound storage device; and,

A sound playback device;

The digital data of analog sound is stored in the IC memory in the sound card by the sound storage device, and the sound data stored in the IC memory in the sound card is played by the sound playback device. With such a design, it is matched with the card The content and appearance of the shape will have both visual and auditory effects, and will be more valuable for collection and preservation.

2. The method and device for storing and playing a sound card according to claim 1, wherein the IC memory in the sound card has a set of contacts on the surface of the card, which is compatible with the sound storage and playback device. connection.

3. The method and device for storing and playing a sound card according to claim 1, wherein the sound storage device and the sound playback device can be the same device.

4. The method and device for storing and playing a sound card according to claim 1, wherein the IC memory in the sound card can be various non-volatile IC memory.

5. A storage and playback device for a sound card, characterized in that the device includes:

A recording circuit, which is used to convert analog sound data input from the outside into digital sound data and compress the digital sound data;

A playback circuit, which is used to decompress the compressed digital sound data, convert it to analog sound data, and play it;

A microprocessor, which is connected to a recording circuit, a playback circuit, and an input / output terminal of a sound card for processing storage and playback functions of sound data, and the microprocessor is connected to a temporary storage memory;

A contact interface, which is used as an electrical connection between a sound card contact and a microprocessor contact, and connects a power voltage contact of the sound card with a power source, and a ground contact thereof is grounded; and

A set of control buttons, including a recording control button, a playback control button, and a write control button. The control buttons are used to control the microprocessor to perform recording or playback functions, or write sound data signals to memory. In vivo

Such a circuit design allows the user to control the closing of the contacts by this set of control buttons, respectively, so that the contact between the sound storage and the playback device and the sound card and the related control terminals are turned on, which can be controlled by the microprocessor Will be The digital sound data compressed by the recording circuit is first stored in the temporary memory and played through the playback circuit. After the data is correct, the sound data is written into the sound card, or the data in the sound card with the sound is read. After it is released, it is played through the playback circuit.

6. The sound card storage and playback device according to claim 5, wherein the recording circuit includes a sound sensor, an amplifier, an analog-to-digital conversion circuit, and a sound data compression circuit.

7. The sound card storage and playback device according to claim 5, wherein the sound playback circuit comprises a sound data decompression circuit, a digital-to-analog conversion circuit, a low-pass filter, an amplifier, and a speaker.

8. The sound card storage and playback device according to claim 5, wherein a status output device connected to the microprocessor can be added, and the status output device can be used with a sound amplifier circuit and a speaker in common. The microprocessor and the status output device are used to drive the amplifier to emit different sounds through the speaker to inform the user whether the sound card is inserted, whether the insertion method is correct, whether it can be recorded or not, and whether the sound recording is completed.

9. The sound card storage and playback device according to claim 8, wherein the status output device can be matched with a visual output device such as a light-emitting diode to display whether the sound card is inserted, whether the insertion method is correct, and which can be recorded and played. No and voice recording is completed.

1 0. A sound card storage and playback device, characterized in that the device includes:

A recording loop> This loop is used to convert externally input analog sound data into digital sound data and compress the digital sound data;

A microprocessor, which is connected to the input and output terminals of the recording circuit, the playback circuit, and the sound card, and is used to process the storage and playback functions of sound data;

A contact interface, which is used as an electrical connection between the sound card contact and the microprocessor contact, and connects the power card voltage contact of the sound card with the power source, and the ground contact thereof is grounded; and

A set of control buttons, including a recording control button and a playback control button, which are respectively used to control the microprocessor to perform recording or playback functions;

Such a circuit design allows the user to control the closing of the contacts by using this set of control buttons, so that the sound storage and the contacts of the playback device, the sound card, and related control terminals are turned on, which can be controlled by the microprocessor The digital sound data compressed after passing through the recording circuit is stored in the IC memory of the sound card, or the data in the sound card containing the sound is read out and then played through the playback circuit.

11. The storage and playback device for a sound card according to claim 10, wherein the recording circuit comprises a sound sensor, an amplifier, an analog-to-digital conversion circuit, and a sound data compression circuit.

12. The sound card storage and playback device according to claim 10, wherein the playback circuit includes a sound data decompression circuit, a digital-to-analog conversion circuit, a low-pass filter, an amplifier, and a speaker.

13. The sound card storage and playback device according to claim 10, wherein a status output device connected to the microprocessor can be added, and the status output device can share an amplifier with the playback circuit. And the speaker, the microprocessor and the status output device are used to drive the amplifier to emit different sounds through the speaker to inform the user whether the sound card is inserted, whether the insertion method is correct, whether it can be recorded or not, and whether the sound recording is completed.

14. The sound card storage and playback device according to claim 10, wherein the status output device can be matched with a visual output device such as a light emitting diode to display whether the sound card is inserted, whether the insertion method is correct, and whether Recording or not, and voice recording completion.

15. A storage and playback device for a sound card, characterized in that the device includes:

A microprocessor, which is connected to the input and output terminals of the sound playback circuit and the sound card, and is used to process the playback function of sound data;

A contact interface. The contact interface is used as an electrical connection between the sound card contact and the microprocessor contact, and connects the power card voltage contact of the sound card with the power source, and the ground contact thereof is grounded; and,

A set of playback control buttons. This set of playback control buttons can be used to control the microprocessor to perform the playback function. Such a circuit design allows the user to use the set of control buttons to make the sound playback device and the sound The input and output terminals of the card and the related control terminals are connected, and the data in the sound card with the sound can be read out through the control of the microprocessor, and then played through the playback circuit.

16. The sound card storage and playback device according to claim 15, wherein the playback circuit includes a sound data decompression circuit, a digital-to-analog conversion circuit, a low-pass filter, an amplifier, and a speaker.

17. The storage and playback device for a sound card according to claim 15, wherein a status output device connected to the microprocessor can be added, and the status output device can share a playback circuit with the playback circuit. The amplifier and the speaker drive the amplifier through the microprocessor and the state output device to emit different sounds through the sound field to inform the user whether the sound card is inserted, whether the insertion method is correct, and whether there is data on the sound card.

18. The sound card storage and playback device according to claim 10, wherein the status output device can be matched with a visual output device such as a light emitting diode to display whether the sound card is inserted, whether the insertion method is correct, and the sound Is there any information on the card?