JP2005323135A - Portable multimedia recording/reproducing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable multimedia recording/reproducing device temporarily conserving and reproducing multimedia data and obtaining the convenience of a mobile device. <P>SOLUTION: The portable multimedia recording/reproducing device constitutes portable multimedia recording/reproducing electronic equipment by a movie recording unit, a voice recording unit, an image recording unit, a storage, a movie reproducing unit, a voice reproducing unit, and a built-in display. The device further constitutes the electronic equipment by a key pad controlling the operations of the movie recording unit, the voice recording unit, the movie reproducing unit, the voice reproducing unit, and the built-in display; and a charging type battery supplying each unit with a power. The device constitutes the electronic equipment by at least one or more of indicators displaying the use conditions of these each unit. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a multimedia apparatus, and more particularly to a portable multimedia recording / reproducing apparatus capable of recording and reproducing audio and video.

  At present, the technology of electronic products has been developed more and more, and the structure has become more precise and complicated. A tape recorder that has been developed as a conventional recording device from an early stage stores data on a magnetic tape. When it is desired to hear only the selected segment in such a tape recorder, the segment is searched by fast-forwarding the magnetic tape. However, since the magnetic tape is extremely long, a predetermined time is required even if it is fast-forwarded. Therefore, storing data in such a storage medium is not practical and efficient, and tape recorders using magnetic tape are already being deceived in the market.

A newly developed storage medium and its playback device include, for example, a video compact disc (hereinafter referred to as VCD) player. The VCD player purchases a storage medium in which data is stored in advance and reproduces it on the player. Therefore, such a medium cannot be customized. That is, it is not possible to save the sound or image material desired by the user as sound or image data. Also, since devices such as VCD players are usually designed for home use, it is inconvenient to move the device to another place and use it from the viewpoint of the size of the device. In addition to the playback device, a display device is required. Therefore, it does not have the convenience of a mobile type.

Therefore, it is desired to develop a portable multimedia recording / reproducing apparatus that can improve the above-mentioned drawbacks found in the prior art and can easily record and reproduce multimedia data such as music and video.

  An object of the present invention is to provide a mobile type multimedia recording / reproducing apparatus capable of storing and reproducing multimedia data.

Another object of the present invention is to provide a multimedia recording / reproducing apparatus that can be connected to a television that outputs a standard video signal.

Another object of the present invention is to provide a multimedia recording / reproducing apparatus capable of storing data acquired from any source that provides audio and video.

Another object of the present invention is to provide a multimedia recording / reproducing apparatus capable of storing and reproducing audio data related to music from any source at any time.

The present invention provides a mobile digital electronic album apparatus that can transmit image data with a digital camera or a computer with a simple operation, and that can record and reproduce digital image data. This is the issue.

Therefore, the inventor has conducted extensive research in view of the conventional technology, and as a result, a movie recording unit, an audio recording unit,
A video recording unit, a storage device, a movie playback unit, an audio playback unit, a built-in display,
The movie recording unit, the sound recording unit, the movie playback unit, the sound playback unit, a keypad for controlling the operation of the built-in display, a rechargeable battery for supplying power to the units, and the units Focusing on the structure of a portable multimedia recording / reproducing electronic device including at least one indicator for displaying the usage status of the device and the method of manufacturing the portable multimedia recording / reproducing electronic device, the present invention has been completed based on such knowledge I let you.
The present invention will be specifically described below.

  The portable multimedia recording / reproducing electronic device according to claim 1 is a movie recording unit that captures and records movie data, an audio recording unit that captures and records audio data, and video data that is captured and recorded. A video recording unit that stores the movie data, audio data, and video data, a movie playback unit that reads and reproduces the movie data and video data, and reads the audio data and video data Audio playback unit for playback, built-in display for displaying the movie data and video data, keys for controlling operations of the movie recording unit, the audio recording unit, the movie playback unit, the audio playback unit, and the built-in display A pad, a rechargeable battery that provides power to each unit, and a display that shows the usage status of each unit Also includes a one or more indicators, the.

The portable multimedia recording / reproducing electronic device according to claim 2 is the portable multimedia recording / reproducing electronic device according to claim 1, further comprising a microphone input unit, an audio left input unit, an audio right input unit, AV input unit, S terminal input unit, infrared remote unit, power input unit, headphone output unit, audio left output unit, audio right output unit, AV output unit, S terminal output unit, A bidirectional high-speed transfer interface, a wired TV input terminal, a wired TV output terminal, and a memory card slot are configured.

According to a third aspect of the present invention, there is provided a multimedia recording / reproducing electronic apparatus in which the infrared remote unit according to the first aspect is a unit for operating the multimedia recording / reproducing electronic apparatus by remote control.

A portable multimedia recording / reproducing electronic device according to claim 4 is the same as the portable multimedia recording / reproducing electronic device according to claim 1, further comprising a central processing unit, a flash memory, a synchronous dynamic RAM, and a function. It is configured to include firmware that provides control.

The portable multimedia recording / reproducing electronic device according to claim 5 includes the built-in microphone for recording sound in addition to the portable multimedia recording / reproducing electronic device according to claim 1. .

According to a sixth aspect of the present invention, there is provided a portable multimedia recording / reproducing electronic device including the built-in speaker for reproducing sound in addition to the portable multimedia recording / reproducing electronic device according to the first aspect.

The portable multimedia recording / reproducing electronic device described in claim 7 is the same as the portable multimedia recording / reproducing electronic device described in claim 1 in addition to the PAL system, the National Television System Committee (NTSC, or SECAM). It includes a switch for selecting one of three types of video output standards.

The portable multimedia recording / reproducing electronic device according to claim 8 is the same as the portable multimedia recording / reproducing electronic device according to claim 1, further comprising a recording time of movie data, audio data, video data, and a rechargeable battery. It is configured to include a real-time time calculation program that provides setting of the charging time.

The portable multimedia recording / reproducing electronic device according to claim 9 is a screen for controlling reproduction, recording, display settings, options, parameters, and functions in addition to the portable multimedia recording / reproducing electronic device according to claim 1. It consists of a display menu system (OSD) / drawing display interface (GUI).

The portable multimedia recording / reproducing electronic device according to claim 10, wherein the keypad according to claim 1 is activated, powered off, mode selected, stopped, played, paused, key locked, forward fast forward, backward fast forward Provides functions consisting of groups including fast reverse, reverse, menu display, volume increase, menu close, volume decrease, previous channel, next channel, zoom in and zoom out, etc.

The portable multimedia recording / reproducing electronic device according to claim 21 includes the indicator according to claim 1 and also a power indicator, a high-speed transmission interface, an encode indicator, a decode indicator, and a battery capacity monitor.

The portable multimedia recording / reproducing electronic device according to claim 12 is an AT attachment (ATA), an integrated electronic drive interface (IDE), or a serial AT attachment (1). This is an interface selected from SATA.

In the portable multimedia recording / reproducing electronic device described in claim 13, the built-in display in claim 1 includes an LCD panel.

14. The portable multimedia recording / reproducing electronic device according to claim 14, wherein the bidirectional high-speed transfer interface according to claim 2 is a universal serial bus (USB) interface or IEEE
Selected from the 1394 interface.

The portable multimedia recording / reproducing electronic device according to claim 15 is further encoded by the portable multimedia recording / reproducing electronic device according to claim 1 for encoding or decoding movie, audio, and video data. -Consists of a unit and a decoding unit.

The portable multimedia recording / reproducing electronic device according to claim 16 is the portable multimedia recording / reproducing electronic device according to claim 1, wherein the corresponding multimedia file format is MPEG-2, MPEG-4, Selected from the group comprising AVI, DivX, ASF, WMV, WMA, AAC, MP3, G.726, JPEG, JPEG2000, M-JPEG, GIF, or BMP The

A portable multimedia recording / reproducing apparatus according to claim 17 is provided with an audio input unit and an AV input unit connected to the externally connected video / audio source by the portable multimedia recording / reproducing electronic apparatus according to claim 1. Record video audio files via

A portable multimedia electronic device according to an eighteenth aspect includes the portable multimedia electronic device according to the first aspect including a digital image sensor device for capturing a static digital image and a movie.

A portable multimedia recording / reproducing electronic device according to claim 19 further includes a television tuner for recording a television program via a video recording unit in addition to the portable multimedia recording / reproducing electronic device according to claim 1. Consists of.

A portable multimedia recording / reproducing electronic device according to claim 20, comprising a central processing unit, a flash memory, a synchronous dynamic random accelerator memory, and a firmware for providing function control,
A TV tuner that receives a TV signal, a video / audio source that is an external connection device, a movie recording unit that captures and records movie data from the TV tuner, and an audio recording unit that captures and records audio data A video recording unit that captures and records video data, a video sensor device that captures digital video and video data, a video playback unit that reads and plays back the movie data and video data, and the audio data And an audio playback unit that reads and reproduces the video data, a built-in display that displays the movie data and the video data, a microphone input unit, an audio left input unit, an audio right input unit, and an AV Input unit, S terminal input unit, power input unit, headphone output unit, sound Multiple outputs including left output unit, audio right output unit, AV output unit, S terminal output unit, cable TV input terminal, cable TV output terminal, bidirectional high-speed transmission interface and memory card slot An input interface, the movie data, the audio data, the video data, the video sensor device, and the data captured from the plurality of input interfaces are stored, and the AT attachment (ATA) or the integrated electronic A hard disk with a format selected from a drive interface (IDE) or serial AT attachment (SATA), a rechargeable battery that provides the power required by each unit, and the usage status of each device. Power indicator to display, high-speed transmission interface, encoding indicator, decoding Control the operation of an indicator, at least one indicator including a battery capacity monitor, the movie recording unit, the audio recording unit, the movie playback unit, the audio playback unit, and the built-in display. , And device activation, power off, mode selection, stop, play, pause, key lock, forward fast forward, backward fast forward, fast reverse, reverse, previous channel, next channel, menu open, volume increase, menu close, volume And a keypad having functions consisting of groups including reduction, zoom in and zoom out, and the like.

A portable multimedia recording / reproducing electronic device according to a twenty-first aspect includes the portable multimedia recording / reproducing electronic device according to the twentieth aspect, further including an infrared remote control unit.

A portable multimedia recording / reproducing electronic device according to a twenty-second aspect includes the built-in microphone for recording sound in the portable multimedia recording / reproducing electronic device according to the twentieth aspect.

A portable multimedia recording / reproducing electronic device according to a twenty-third aspect of the present invention is configured such that the portable multimedia recording / reproducing electronic device according to the twentieth aspect further includes a built-in speaker for reproducing sound and sound.

The portable multimedia recording / reproducing electronic device according to claim 24 is the same as the portable multimedia recording / reproducing electronic device according to claim 20, in addition to the PAL system, the national television system committee, or SECAM. It includes a switch selected from video output standards.

  25. The portable multimedia recording / reproducing electronic device according to claim 25 further sets in advance a time for recording video data, charging a battery, or backing up data in the portable multimedia recording / reproducing electronic device according to claim 20. A real-time time calculation program.

A portable multimedia recording / reproducing electronic device according to claim 26 further controls reproduction, recording, display setting, options, parameters, and functions of the portable multimedia recording / reproducing electronic device according to claim 20. Consists of a screen display menu system (OSD) / drawing display interface (GUI).

In the portable multimedia recording / reproducing electronic device described in claim 27, the built-in display in claim 20 is an LCD display panel.

The portable multimedia recording / reproducing electronic device according to claim 28, wherein the bidirectional high-speed transmission interface according to claim 20 is selected from a universal serial bus (USB) interface or a group including an IEEE 1394 interface. .

A portable multimedia recording / reproducing electronic device according to claim 29, further comprising the portable multimedia recording / reproducing electronic device according to claim 20, further encoding the movie data, the audio data, and the video data. Alternatively, it includes an encoding unit for decoding and a decoding unit.

A portable multimedia recording / reproducing electronic device according to claim 30 is an MPEG-2, MPEG-4, or a multimedia file format corresponding to the portable multimedia recording / reproducing electronic device according to claim 20, AVI, DivX, ASF, WMV, WMA, AAC, MP3, G.726, JPEG, JPEG2000, M-JPEG, GIF, or BMP selected from the group in minutes The

The portable multimedia recording / playback electronic device according to claim 31 is connected to an externally connected video source and an AV input unit, an audio input unit, or a television tuner. input.

  The multimedia recording / reproducing apparatus of the present invention has an advantage that multimedia data can be stored and reproduced as needed, and mobile type convenience can be obtained. Specifically, it can be connected to a TV that outputs standard video signals and not only can save data acquired from any source that provides audio and video, but it can also save and play audio data related to music from any source at any time. Furthermore, image data can be transmitted with a digital camera or computer with a simple operation, and digital image data can be recorded and played back. There is an advantage that these can be recorded and reproduced at any time with a simple operation.

The present invention relates to a movie recording unit, an audio recording unit, a video recording unit, a storage device, a movie reproducing unit, an audio reproducing unit, a built-in display, the movie recording unit, the audio recording unit, and the movie reproducing. A unit, a sound reproduction unit, a keypad for controlling the operation of the built-in display, a rechargeable battery for supplying power to each unit, and at least one indicator for displaying a usage status of each unit. The above-described effects are realized by the structure of the portable multimedia recording / reproducing electronic device.
A portable multimedia recording / reproducing electronic apparatus having such a configuration will be described below with reference to specific examples in order to describe the structure and features in detail.

FIG. 1 is a block diagram of an apparatus according to the present invention. According to the drawings, the portable multimedia recording / reproducing apparatus 100 of the present invention is, for example, TI.
Central processing unit (CPU) 115 like TMS320DSC25 CPU, flash memory and synchronous dynamic RAM (Synchronous RAM)
And a memory 120 including a dynamic RAM (SDRAM). The capacity of the memory 120 can be adjusted. For example, when the flash memory is 2 Mb, the synchronous dynamic RAM is 32.
Mb or 64Mb. The central processing unit 115 and the memory 120 mainly control the electronic multimedia recording / reproducing apparatus 100.

The electronic multimedia recording / reproducing apparatus 100 includes a keypad 105 for controlling the electronic multimedia recording / reproducing apparatus 100, an indicator 130 for displaying different states and situations, and a storage device for storing data (Storage ) 125 and the battery 15 that can be recharged and powered, and 0 is rechargeable and supplies power. Built-in microphone 110 that receives audio input signals, built-in speaker 13 that provides audible volume, built-in display 140 that displays images and images, and digital video sensor device 145 that captures images and images, A TV tuner that receives TV signals and plays and records programs (TV
tuner) 148. However, the combination of components can be adjusted in consideration of cost reduction and usage functions. For example, the built-in microphone 110 or the built-in speaker 135 may not be provided in the electronic multimedia recording / playback apparatus 100.

The electronic multimedia recording / reproducing apparatus 100 further includes a video signal input interface. This is, for example, a standard 3-in-1 AV input or S terminal input, and via these input interfaces, a TV (TV), a digital video disc (DVD), a video compact disc (VCD) ), Video cassette recorder (VCR), digital camera, computer, etc., video data can be obtained from various sources, recorded and played back. With such a device, a user can record and play back video data from any source anywhere. Also, by inputting sound, music can be recorded from any device such as a computer or a stereo.

When an external display device is connected to replace the built-in display 140, the electronic multimedia recording / reproducing device 100 can be connected to a standard television to provide video. For example, this device uses the PAL method (Phase
Alternating Line), National Television System Committee (NTSC), or SECAM (SEquential Couleur A
Memoire) and other three types of signal output standard TV can be connected. If you only want to play audio, you can connect to a stereo.

  The electronic multimedia recording / reproducing apparatus 100 further includes a video signal output interface such as RCA 3-in-1 AV output or S terminal (S-Vedio) output. As these interfaces, for example, an appropriate interface such as PAL, NTSC or SECAM can be selected according to the format of the display device.

  Currently, the video signal output standards adopted worldwide are divided into three. The PAL system is a kind of analog television standard and is popular in Europe and the like. NTSC is mainly used in the United States and Japan. SECAM is adopted in some parts of Eastern Europe. These video signal standards have different definitions for video scanning frequency and color, but in the present invention, multimedia data can be reproduced by selecting an appropriate display device format, and the display equipment format is taken into consideration. There is no need. By providing such features, the device according to the present invention can be used in any region of the world. For example, when going to the United States, Europe, Asia, etc. for commercial purposes, a product can be demonstrated using the apparatus according to the present invention. That is, it can be said that it has the effect of achieving cost reduction and also has favorable compatibility.

The multimedia recording / reproducing apparatus 100 according to the present invention further includes a television tuner 148. This tuner has an input F-connector for coaxial cable input and an output F-connector for coaxial cable output and bypass. This TV tuner 148 is a tuner that supports three types of video output standards of NTSC, PLA, and SECAM at the same time. By providing such various input / output modes, coaxial cable input or TV radio signal reception, You can select the input method. In addition, when TV radio signal input is selected, NTSC, PLA, and SECAM three video output standards can be supported.

When using the device of the present invention, the user can easily connect the cable of the cable TV to the input end of the F-connector, and select an appropriate input mode, and use the keypad 105 or the infrared remote control device. You can select a channel and display the contents of the TV program on the built-in display 140 or an externally connected display.

When using the video input interface, the video image of the TV is input from the input terminal of the F-connector and recorded. For example, after selecting a favorite TV program with the TV tuner 148, the contents of the TV program are recorded in the storage device 125. Further, the recording time and channel can be set in advance based on the real time calculation program. For this reason, it is possible to record without any user operation on site.

In addition, the built-in display 140 included in this electronic multimedia recording / playback device 100 is a 3.5-inch display panel, and even when there is no externally connected display or TV, video can be played at any time, regardless of location. can do. The display 140 has a resolution of, for example, 480 * 234. The display 140 is also equipped with a 3.5-inch or 6.5-inch cold cathode fluorescent tube (Cold
Cathode Fluorescent Lamp (CCFL) LCD or a 3.5 inch light emitting bipolar LCD.

The storage device 125 included in the portable multimedia recording / reproducing apparatus 100 according to the present invention provides a function of storing movies and music that the user likes in the electronic multimedia recording / reproducing apparatus 100. More specifically, the storage device 125 includes, for example, a 2.5-inch ATA / IDE and a FAT32 file format hard disk to achieve compatibility with a computer operation system. The hard disk may be a 1.8 inch IDE hard disk. However, the hard disk is small in size but expensive. Or you can choose a lower priced 3.5-inch IDE hard disk. A memory card may be used as a storage device. By installing a memory card slot, data can be stored in a memory card that is convenient for carrying around. More advanced standards for hard disks include, for example, AT attachment (ATA), integrated electronic drive interface (IDE) and serial AT attachment (SATA).

The hard disk startup program according to the present invention can be moved. Therefore, it can be removed from the electronic multimedia recording / reproducing device 100 and installed in a compatible device such as a computer. When a large amount of data is moved or copied by such a function, the operation can be performed in a short time, which is convenient.

The video data transmission interface may be a USB 2.0 or IEEE 1394 interface to facilitate data transmission between the electronic multimedia recording / reproducing apparatus 100 and a computer or digital camera. Good. Since the hard disk has a FAT32 file format, compatibility between the multimedia recording / reproducing apparatus 100 and other apparatuses can be further enhanced. By connecting the electronic multimedia recording / playback apparatus 100 to a computer via a USB interface, transmission of data and video / audio files is easier and faster.

In addition, the multimedia recording / reproducing apparatus 100 can be a portable storage device by a hard disk and a high-speed transmission interface. Any computer having a compatible operation system as well as a file related to video data can transfer the stored data to the electronic multimedia recording / reproducing apparatus 100. By this method, a very large number of files can be easily transferred to the electronic multimedia recording / playback apparatus 100 without being stored on a CD-ROM, and can be moved to another place without moving the computer system. .

More specifically, the content contained in the hard disk of the computer system is backed up to this device, and then the device is moved to another location to allow other content existing at a remote location to be replaced. Can be stored again in the computer. Therefore, you don't have to worry about losing files and data even when you work in different places.

The electronic multimedia recording / reproducing apparatus 100 also includes a power input unit. For example, a 12 volt direct current (DC) can be input. If it is alternating current, an adapter that converts it to 100-240 volts direct current is required. Then, the user can supply power to the apparatus by inserting the electronic multimedia recording / reproducing apparatus 100 into a wall-mounted outlet. Since the adapter for converting AC to DC is usually an AC adapter of 110-240 volts, this electronic multimedia recording / reproducing apparatus 100 can be used in various parts of the world without considering the AC current type.

In addition, the electronic multimedia recording / reproducing apparatus 100 includes a battery as a power source. For example, a rechargeable lithium ion battery of 1840mA / 3680mA 3.6 volts. With this battery 150, the electronic multimedia recording / reproducing apparatus 100 needs to be connected to a power source. For example, a user can watch a stored movie when waiting for flight time at the airport. In addition, materials can be recorded on site without power. This battery can be recharged, so it can be recharged at any time. Also, the battery capacity indicator displays the remaining battery capacity and the charged level, and informs the user of information on the charging time. The battery capacity indicator and the battery have separate display interfaces and can be displayed on either the LED or the built-in display 140, for example.

Further, the present invention has a function of automatic power-off. When the user adjusts or selects the standby time, the power supply automatically enters a power saving mode. For example, when there is no signal input in the multimedia recording / reproducing apparatus 100 for a certain time, the apparatus is automatically turned off. If it does so, the electric power of a battery will be saved, the life of a battery will be lengthened, and the frequency of charge will also decrease. The user can freely select the standby time of the power-off device, and can also enable or disable this function.

The keypad 105 is also called a key, and provides function settings and menu operations to the electronic multimedia recording / reproducing apparatus 100. The functions that can be operated on the keypad are power on, power off, mode selection, stop, play, pause, key lock, forward fast forward, backward fast forward, fast reverse, return, menu open, previous channel, next channel, volume Includes increase, menu close, volume decrease, repeat playback, shuffle, delete, etc.

The power switch provided on the keypad provides the user with the ability to turn on / off the electronic multimedia recording / playback device 100, and keys such as stop, play, pause, key lock, etc. are easily video to the user. Provides a function to control the status of the audio file, the volume adjustment key provides the user with the function of controlling the volume of the audio, and the opening and closing of the menu provides the user with the function of browsing the menu by school or moving. The repeat playback key provides a function of repeatedly playing back video and audio data until the stop key is pressed, and the delete key provides a function of deleting stored data.

An on-screen display (OSD) menu system provides playback, recording and configuration, options and function control. Since the menu is displayed on a built-in display or an external display, the user can easily operate the menu, and can set a desired option or view a current setting state.

As an example, the menu system may be a graphical user interface (GUI). When this is applied to the present invention, OSD (On Screen
It is possible to provide a more preferable display environment than the (Display) interface. Also, the user interface provided by the GUI is easy for the user to use, and can be controlled using different function keys very easily. The GUI is a human computer interface (human
computer interface). For example, the push button interface allows the user to select a function to be executed immediately by looking at the function block. Therefore, even a beginner handling the apparatus can get used to the operation in a short time. In addition, the menu system can support multiple languages to meet usage needs around the world. For example, an American user can select an English mode, and a Japanese user can select a Japanese mode.

The electronic multimedia recording / reproducing apparatus 100 further includes an infrared remote control unit. The infrared remote control unit can control the device remotely and operate the menu system without the need to use a keypad. In particular, if this device is used as a briefing tool, it will be very useful to users. Users can operate the electronic device indoors or later to present and introduce materials to the audience. In addition, since the infrared remote control unit supports 802.11g and 802.11b, this device can be shared and integrated with a computer system. Data can be transmitted and exchanged via the multimedia recording / reproducing apparatus 100 and other compatible devices such as a computer, and there is no need to provide a transmission cable. Therefore, it is very convenient for use.

The real time display program can preset and record video / audio data, battery charging time, and data backup time. With this function, the user can connect the electronic multimedia recording / reproducing apparatus 100 to the video / audio source apparatus, set the time, and arrange recording. Even when it is inconvenient for the user to operate directly, video / audio data can be recorded. In addition, the user can set the battery charging and backup time. Therefore, for example, these operations can be advanced even while sleeping.

The portable multimedia recording / reproducing apparatus further includes one or more indicators. For example, one LED or multiple LEDs. This indicator includes a power indicator and a high-speed transmission interface indicator (high
speed interface indicator), encoding indicator, and decoding indicator
each one).

This power indicator is displayed when the power is turned on. The high-speed transmission interface indicator is displayed when the electronic multimedia recording / reproducing apparatus 100 is connected to another device via a high-speed transmission interface such as USB 2.0. Then, the user is immediately informed that the electronic multimedia recording / reproducing apparatus 100 is correctly connected, and when the electronic apparatus cannot transmit data, the time for eliminating the failure is reduced.

The encode indicator and decode indicator are displayed when encoding or decoding is working. Encoding and decoding formats are MPEG4, MP3, JPEG and other multimedia formats. It is necessary to encode and decode the audio portion of the electronic multimedia recording / reproducing apparatus 100 in an audio format. This electronic device can record and play back music and audio data recorded in MP3 format. Its byte rate (Bit
The rate) range is from 32 to 320Kbps. Sampling frequency is 32 / 44.1 / 48Khz. MP3 is a compressed format, and a large amount of audio data can be stored in the storage device 125 for playback. For example, the output unit of headphones or earphones does not need to be connected to a stereo, and the user can hear audio data via the earphones. The electronic multimedia recording / reproducing apparatus 100 according to the present invention provides a built-in speaker and provides sound as if the electronic apparatus is connected to a stereo.

In addition, the electronic multimedia recording / reproducing apparatus 100 has an audio function and a function of audio encoding / decoding. For example, G.726 and built-in microphone. G.726 is an international communications standard organization.
International Telegraph and Telephone under Telecommunication Union, ITU)
It was established by the Consultative Committee (CCITT). G.726 is an encoding method for digital audio sampling by recording the distinction between two close samples-ADPCM
With (Adaptive differential pulse code modulation), the user can record and play back sound on this electronic device via a microphone. The byte rate is 16/24/32 / 40Kbps.

The apparatus according to the present invention is applied to the encoding / decoding of various video / audio formats. Its application types include formats such as MP3, G.726, AAC, WMA, RAM and RM. MP3 format is the most commonly used audio format. G.726 is often used when recording and precision are not strictly required, even if it is not a high quality format. WMA is Microsoft (MicroSoft
Corp.) standard. RAM and RM format files were established by RealNetworks. AAC is a standard audio format.

For other video encoding / decoding formats, for example, MPEG4 provides recording and playback of multimedia data, and the encoding / decoding screen rate (frame
rate) can be selected from 20-30fps, for example, the bit rate can also be controlled from 100kbps to 2.5Mbps, movie data recording, playback, pause, stop, front fast forward and back fast forward functions can be controlled, For example, the display size is 640 * 480
Or 320 * 240, the movie file format may be different. MPG and AVI are compatible.

The apparatus according to the present invention provides a function of en / decoding for movie files. Types applicable to decoding include formats such as MPEG-4, MPEG-1, MPEG-2, WMV and DivX 5.0. Encoding formats include MEG-4, MPEG-1, MPEG-2 and WMV. These formats have their own characteristics. For example, MEG-4 is a very good compression format provided for transmission over the network. MPEG-1 and MPEG-2 can store a considerable amount of data, are well-known formats in the entertainment industry, and are standard data formats for VCD and DVD. WMV is a format established by Microsoft.

With the exception of these formats, the device 100 supports Microsoft Windows MediaPlayer data formats, so you can open AVI and ASF files.

One of the advantages of the electronic multimedia recording / reproducing apparatus 100 according to the present invention is a real time signal display. When the user wants to record video from the video source, this video is displayed on the built-in monitor 140 or an external display. Then, the user can confirm that the video signal of the video source is correctly connected to the electronic multimedia recording / reproducing apparatus 100. The real-time video display function seems to be an effect of image display, and the user can add hints at appropriate places before storing data.

The electronic multimedia recording / reproducing apparatus 100 further includes an image viewer. This image viewer gives users PEG, JPEG2000,
Provides the ability to save and view digital photos in formats such as M-JPEG, GIF, and BMP. Since the JPEG format is used more frequently, the video quality is good, and the file size is small, the default recording format of the multimedia recording / playback apparatus 100 is used. This means that users can create an album that includes a hundred or thousands of photos and show them to their family and friends everywhere. This image viewer can be full screen or schematic (thumbnail
format)). You can easily school the video via the schematic diagram and select the photos you want. Zoom in (zoom in), zoom out (zoom
out), which shows the part of the video you want to see and the very detailed part. This image viewer includes a function called sideshow. Even if the user does not operate, the video is automatically projected.

Further, the multimedia recording / reproducing apparatus 100 includes a CMOS or CCD video sensor device 145. The image sensor device 145 provides the user with taking a static image and a dynamic image. When the camera mode is selected, the image sensor device 145 can function as a digital camera by taking a subject through the built-in monitor 140 and pressing a photo key to take a picture. This key is an independent key or a key provided on the keypad 105.

More specifically, when the camera mode is selected, the image sensor device 145 functions as a digital camera by pressing a key to take a video of a specific subject and pressing the key again to stop recording.

Next, the multimedia recording / reproducing apparatus 100 is provided with a digital zoom for the functions of a digital camera and a video camera. Provide zoom-in and zoom-out to make the subject clearer.

Further, the de-electronic multimedia recording / reproducing apparatus 100 includes a memory card slot. This memory card slot stores and transfers data through memory cards such as CF and SD cards. For example, when using the digital camera function, the user can remove the memory card and save the data in another device. This memory card slot makes data storage and transfer more convenient.

FIG. 2 is a block diagram of the video / audio encoder / decoder system used in the present invention. As shown in the drawing, the voice signal is recorded by the synthesized word encoder (Voice) when the speaking method is speaking by recording (Voice) via an external microphone connected to the microphone input unit 200 or the built-in microphone 205.
Encoded) 230 is encoded and stored in the storage device (Storage) 145. When the user plays the recorded audio data, the data is read from the storage device 245 and the synthesized word decoder (Voice
Playback is performed from the built-in speaker 270, the headphones 275, and the audio output unit 280 via Decode) 250.

When audio or music is recorded via the audio input unit 210 connected to an external audio device such as a stereo, the audio signal is encoded via the audio encoder (Audio Encode) 235, and the storage device (Storage) 245 Is remembered. When the user plays back the recorded audio data, the data is read from the storage device 245 and the audio decoder (Audio
Playback is performed from the built-in speaker 270, the headphones 275, and the audio output unit 280 via Decode) 255.

Videos and movies are input via an AV input unit 215, an S terminal input unit 220, and a built-in video sensor device 223 connected to an externally connected video facility such as a DVD player. The audio part of the video is a video encoder (Video
The video portion is recorded by connecting to a video encoder 240 and stored in a storage device (Storage) 245. When the user plays the recorded video data, the data is read from the storage device 245 and the video decoder (Video
Decode) 260 is decoded and output and reproduced from the AV output unit 290, the S terminal output unit 295 and the built-in display 285. The audio portion of the video is reproduced from the built-in speaker 270, the headphones 275, and the audio output unit 280.

Furthermore, the program can be viewed via the coaxial cable input 232 and the TV tuner 233. Also, a program can be viewed by connecting a cable television to an externally connected television via the coaxial cable output end 234 or the bypass side.

Video such as JPEG format is stored in the storage device 245 via a high-speed transmission interface such as USB 2.0 or the memory card slot 228. When the user wants to see the video, the video is read again from the storage device 245, decompressed by the video decompression decoder 265, and transmitted to the AV output unit 290, the S terminal output unit 295, and the built-in display 285. Display and play the video.

The high-speed transfer interface 225 directly stores data and files in the electronic multimedia recording / reproducing apparatus 100. For example, instead of the video input unit 215, video is recorded by connecting the electronic multimedia recording / reproducing apparatus 100 to a computer. The video file is transmitted directly to the storage device 245 via the high-speed transfer interface 225 and viewed in the manner described above.

In addition, since data and files are recorded and read in the storage device 245 via the high-speed transfer interface 225 regardless of time and place, the electronic device can be used as a portable storage device. Like the high speed transfer interface 225, data can be transmitted via the infrared port 229. This function also allows the electronic multimedia recording / reproducing apparatus 100 to be connected to another interchangeable apparatus wirelessly.

FIG. 3 is a block diagram of an input / output interface according to the present invention. In summary, the electronic device provides a variety of different input and output units. Microphone input unit 305, audio left input unit 310, audio right input unit 315, AV input unit 320, S terminal input unit 325, infrared remote control unit 330, power input unit 335, headphone output unit 345, audio left output unit 350 Audio right output unit 355, AV output unit 360, S terminal output unit 365, memory card slot 370, cable TV input terminal 375, cable TV output terminal 380 and high-speed transfer interface 340.

In the electronic device according to the present invention, a part or all of the input / output units can be taken out and combined so as to meet a personal request. For example, in this electronic apparatus, video data is recorded via a video input unit or a cable television input terminal without selecting an S terminal output / input unit.

Compared to the prior art, the portable multimedia device according to the present invention has various advantages. Taking a portable video or camera as an example, the device can watch movies very easily and conveniently anytime and anywhere. Movie data is recorded and stored, and movies can be viewed on the built-in display with high resolution. Video data can be recorded from video sources such as televisions, digital video discs, video compact discs, video cassette recorders, digital cameras and the like. Utilizing a storage device, this electronic device can record and play back movies even if the movie is long. In addition, using the built-in digital video sensor device, this electronic multimedia recording / playback device 100 can record digital video and video, eliminating the need for a digital camera or digital video recorder with separate functions. . Using a built-in TV tuner, the device can connect to a cable TV and record and play back TV programs. Among them, mobile video has the following characteristics. Voices such as music and synthetic words can be recorded and played anytime and anywhere. A large amount of audio data is stored, and users can listen to it by connecting to headphones or stereo.

Digital video and photos can also be stored on this device, and users can share with family and friends. The present invention also provides a high-speed transmission interface such as USB 2.0. Images are easily transmitted from a digital camera or computer, and a user can conveniently store a large amount of digital photos without installing a memory card in the camera.

In addition, the stored multimedia data can be viewed by connecting to another display. This electronic device can be connected to different types of televisions with standard audio and video cables. Users can then conveniently record and play back multimedia data in different places, such as their friends' homes.

  The above are preferred embodiments of the present invention, and do not limit the scope of the present invention. Therefore, any modifications or changes that can be made by those skilled in the art, which are made within the spirit of the present invention and have an equivalent effect on the present invention, shall belong to the scope of the claims of the present invention. To do.

It is the block diagram which showed the structure of the apparatus by this invention. It is the block diagram which showed the structure of the video encoding system in the apparatus of this invention. It is the block diagram which showed the structure of the input and output interface in the apparatus of this invention.

Explanation of symbols

100 Multimedia recording / playback device 105 Keypad 110 Built-in microphone 115 Central processing unit 120 Memory 125 Storage device 130 Indicator 135 Built-in speaker 140 Built-in display 145 Sensor device 148 TV tuner 150 Battery 200 Microphone input unit 205 Built-in type Microphone 210 Audio input unit 215 AV input unit 220 S terminal input unit 223 Built-in video sensor device 225 High-speed transfer interface 228 Memory card slot 229 Infrared port 230 Synthetic word coder 232 Coaxial cable input 233 TV tuner 234 Coaxial cable output 235 Speech encoder 240 Video encoder 245 Storage device 250 Synthetic word decoder 255 Speech decoder 260 Video decoder 265 Video Decompression Decoder 270 Built-in Speaker 275 Headphone 280 Audio Output Unit 285 Built-in Display 290 AV Output Unit 295 S Terminal Output Unit 305 Microphone Input Unit 310 Audio Left Input Unit 315 Audio Right Input Unit 320 AV Input Unit 325 S Terminal Input unit 330 Infrared remote control unit 335 Power input unit 340 High-speed transfer interface 345 Headphone output unit 350 Audio left output unit 355 Audio right output unit 360 AV output unit 365 S terminal output unit 370 Memory card slot 375 Wired TV input terminal 380 Cable TV output terminal

Claims (31)

A movie recording unit that captures and records movie data;
An audio recording unit that captures and records audio data;
A video recording unit for capturing and recording video data;
A storage device for storing the movie data, audio data, and video data;
A movie playback unit that reads and plays back the movie data and video data;
An audio reproduction unit for reading and reproducing the audio data and video data;
A built-in display for displaying the movie data and video data;
A keypad for controlling the operation of the movie recording unit, the audio recording unit, the movie playback unit, the audio playback unit, and the built-in display;
A rechargeable battery that provides power to each of the units;
A portable multimedia recording / reproducing electronic apparatus comprising: at least one indicator for displaying a usage state of each unit. The portable multimedia recording / reproducing electronic device further includes a microphone input unit, an audio left input unit, an audio right input unit, an AV input unit, an S terminal input unit, an infrared remote unit, and a power input unit. A headphone output unit, an audio left output unit, an audio right output unit, an AV output unit, an S terminal output unit, a bidirectional high-speed transfer interface, a cable TV input terminal, a cable TV output terminal, and a memory The multimedia recording / reproducing electronic device according to claim 1, further comprising a card slot. 2. The portable multimedia recording / reproducing electronic device according to claim 1, wherein the infrared remote unit is a unit for operating the multimedia recording / reproducing electronic device by remote control. 2. The portable device of claim 1, wherein the portable multimedia recording / reproducing electronic device further includes a central processing unit, a flash memory, a synchronous dynamic RAM, and firmware for providing function control. Type multimedia recording / playback electronic device. 2. The portable multimedia recording / reproducing electronic device according to claim 1, further comprising a built-in microphone for recording sound. 2. The portable multimedia recording / reproducing electronic device according to claim 1, further comprising a built-in speaker for reproducing sound. The portable multimedia recording / playback electronic device includes a switch for selecting one of three types of video output standards: PAL, National Television System Committee (NTSC, or SECAM). 2. The portable multimedia recording / reproducing electronic device according to claim 1. The portable multimedia recording / reproducing electronic apparatus further includes a real time calculation program for providing setting of movie data, audio data, video data recording time, and rechargeable battery charging time. 2. A portable multimedia recording / reproducing electronic device according to 1. The portable multimedia recording / playback electronic device further includes a screen display menu system (OSD) / drawing display interface (GUI) for controlling playback, recording, display settings, options, parameters, and functions. 2. The portable multimedia recording / reproducing electronic device according to claim 1. The keypad can be used to activate, power off, select mode, stop, play, pause, key lock, fast forward, fast forward, fast reverse, reverse, menu display, volume increase, menu close, volume decrease, previous 2. The portable multimedia recording / reproducing electronic device according to claim 1, characterized by providing a function including a group including a channel, a next channel, zoom-in and zoom-out, and the like. 2. The portable multimedia recording / reproducing electronic device according to claim 1, wherein the indicator also includes a power indicator, a high-speed transmission interface, an encoding indicator, a decoding indicator, and a battery capacity monitor. 2. The portable device according to claim 1, wherein the hard disk interface of the storage device is an interface selected from an AT attachment (ATA), an integrated electronic drive interface (IDE), or a serial AT attachment (SATA). Multimedia recording / playback electronic device 2. The portable multimedia recording / reproducing electronic device according to claim 1, wherein the built-in display includes an LCD panel. The portable multimedia recording / reproducing electronic device according to claim 2, wherein the bidirectional high-speed transfer interface is selected from a universal serial bus (USB) interface or an IEEE 1394 interface. The portable multimedia recording / reproducing electronic apparatus according to claim 1, further comprising an end decode unit and a decode unit for encoding or decoding movie, audio, and video data. -Type multimedia recording / playback electronic devices The portable multimedia recording / playback electronic device is compatible with MPEG-2, MPEG-4, AVI, DivX, ASF, WMV, WMA, AAC, MP3. 2. The portable multi of claim 1, characterized in that it is selected from the group comprising G.726, JPEG, JPEG2000, M-JPEG, GIF, or BMP. Media recording / playback device. 2. The portable multimedia recording / reproducing electronic device further records a video / audio file via an AV input unit and an audio input unit connected to an externally connected video / audio source. Portable multimedia electronic device. The portable multimedia electronic device according to claim 1, comprising a digital video sensor device for capturing static digital video and movies. 2. The portable multimedia recording / reproducing electronic device according to claim 1, further comprising a television tuner for recording a television program via a video recording unit. . A central processing unit;
Flash memory,
Synchronous dynamic random accelerator memory,
Firmware that provides control of functions,
A TV tuner that receives TV signals;
A video / audio source that is an external connection device, and a movie recording unit that captures and records movie data from the TV tuner;
An audio recording unit that captures and records audio data;
A video recording unit for capturing and recording video data;
A video sensor device for capturing digital video and video data;
A video playback unit that reads and plays back the movie data and the video data;
An audio reproduction unit that reads and reproduces the audio data and the video data;
A built-in display for displaying the movie data and the video data;
Microphone input unit, audio left input unit, audio right input unit, AV input unit, S terminal input unit, power input unit, headphone output unit, audio left output unit, audio right output unit, AV output unit, S terminal output unit, cable TV input terminal, cable TV output terminal, two-way high-speed transmission interface and a plurality of output / input interfaces including a memory card slot,
The movie data, the audio data, the video data, the video sensor device, and the data captured from the plurality of input interfaces are stored, and the AT attachment (ATA) or the integrated electronic drive interface ( IDE) or a hard disk with a format selected from Serial AT Attachment (SATA),
A rechargeable battery that provides the power required by each of the above units;
At least one indicator including a power indicator, a high-speed transmission interface, an encoding indicator, a decoding indicator, and a battery capacity monitor for displaying the usage status of each device;
Controls the operation of the movie recording unit, the sound recording unit, the movie playback unit, the sound playback unit, and the built-in display, and starts up the device, turns off the power, selects the mode, stops, plays back, and temporarily Key with group function including stop, key lock, fast forward, fast forward, fast reverse, reverse, previous channel, next channel, menu open, volume increase, menu close, volume decrease, zoom in and zoom out, etc. And a portable multimedia recording / reproducing electronic device. 21. The portable multimedia recording / reproducing electronic device of claim 20, further comprising an infrared remote control unit. 21. The portable multimedia recording / reproducing electronic device according to claim 20, wherein the portable multimedia recording / reproducing electronic device further includes a built-in microphone for recording sound. 21. The portable multimedia recording / reproducing electronic device according to claim 20, further comprising a built-in speaker for reproducing sound and sound. 21. The portable multimedia recording / reproducing electronic device is further selected from three types of video output standards of PAL, National Television System Committee, or SECAM in the portable multimedia electronic device according to claim 20. 21. The portable multimedia recording / reproducing electronic device according to claim 20, further comprising a switch. The portable portable recording / reproducing electronic device according to claim 20, further comprising a real-time time calculation program for presetting video data recording, battery charging, or data backup time. Multimedia recording and playback electronic device. The portable multimedia recording / playback electronic device further includes a screen display menu system (OSD) / drawing display interface (GUI) that provides control of playback, recording, display settings, options, parameters, and functions. The portable multimedia recording / reproducing electronic apparatus according to claim 20. 21. The portable multimedia recording / reproducing electronic device according to claim 20, wherein the built-in display is an LCD display panel. 21. The portable multimedia recording / reproducing electronic device according to claim 20, wherein the bidirectional high-speed transmission interface is selected from a group including a universal serial bus (USB) interface or an IEEE 1394 interface. . The portable multimedia recording / reproducing electronic apparatus further includes an encoding unit and a decoding unit for encoding or decoding the movie data, the audio data, and the video data. Item 21. The portable multimedia recording / reproducing electronic device according to Item 20. The portable multimedia recording / playback electronic device supports the following multimedia file formats: MPEG-2, MPEG-4, AVI, DivX, ASF, WMV, WMA, AAC, MP3 21. The portable multimedia recording / playback according to claim 20, wherein the group is selected from the group consisting of: G.726, JPEG, JPEG2000, M-JPEG, GIF, or BMP. Electronic equipment. 21. The portable multimedia recording / playback according to claim 20, wherein the movie data is input by connecting to an externally connected video source and an AV input unit, an audio input unit, or a TV tuner. Electronic equipment.