KR100381345B1 - Apparatus and method for regenerating audiobook - Google Patents

Abstract

The present invention discloses pages, paragraphs, pictures, and tables when reading the contents of an article such as a book written on paper and recording them in a CDROM, a hard disk, a flash memory, etc., in a digital audio format (wav, mpeg, real audio, etc.). By reproducing the location information on the index file and recognizing the recording medium in which the index file is stored, the user can select and listen to the desired chapters, sections, pages, paragraphs, pictures, and tables. An apparatus and method for reproducing an audiobook.

The present invention includes an input unit for inputting a signal from the outside; A recording medium recording the book contents; A controller which controls each part to analyze and decode data of the recording medium and to perform an operation corresponding to a signal input from the input unit; A DMA controller for transferring data between the recording medium, the memory, and the controller; A digital / analog converter and amplifier for converting and amplifying the digital signal output from the DMA controller into an analog signal; A speaker for outputting the output signal of the amplifier so that a user can hear it; And a display unit for displaying the type of the recording medium, the contents of the audiobook, the number of pages and paragraphs, and the like.

Description

Apparatus and method for regenerating audiobook}

The present invention relates to an apparatus and method for reproducing an audiobook. More particularly, the present invention relates to a CDROM, a hard disk, and a recording medium in digital audio format (wav, mpeg, real audio, etc.) by reading the contents of a text such as a book written on paper. When recording to a flash memory, etc., the location information about pages, paragraphs, pictures, and tables is stored in an index file, and a playback device capable of recognizing the recording medium in which the index file is stored can be used. The present invention relates to an audiobook playback apparatus and method for selecting and listening to pages, paragraphs, pictures, and tables.

Audiobooks are designed to read the contents of a book and record them in recording media such as CDROM, hard disk, and flash memory in digital audio format, or record media such as magnetic tape in analog format so that users can listen to the book without reading it directly. Device. Audiobooks are also referred to as "books by ear."

Audiobooks can contain as little as tens of minutes to as many hours as possible.

Conventional recording media are produced in a single file when the contents of a book are small, and in a single directory when the contents of a book are large, or in a plurality of directories.

Therefore, since the user can listen to the audiobook on a file basis, there is a problem in that the position up to a desired page or paragraph can not be quickly found and played.

In addition, the conventional playback apparatuses are mainly developed for playing music files, and are difficult to apply to audiobooks composed of chapters and sections. And, there was a problem that can not find and play the page or paragraph or pictures and tables directly.

Accordingly, an object of the present invention is to store the location information of pages, paragraphs, pictures, and tables by using an index file when recording data on a recording medium, and to recognize and reproduce the recording medium on which the index file is stored. The present invention provides an audiobook playback apparatus and method for quickly selecting and listening to pages, paragraphs, pictures, and tables, as well as chapters and sections of audiobook playback.

1 is a block diagram illustrating an audiobook playback apparatus according to the present invention;

2 is a flowchart illustrating a method of playing an audiobook according to the present invention;

3 is an external view of an implementation of a playback apparatus of an audiobook according to the present invention.

* Description of Signs of Main Parts of Drawings *

10: input unit 20: drive unit

30: flash memory 40: control unit

50: memory 60: DMA control unit

70: D / A converter and amplifier 80: speaker

90: display unit

In the audiobook playback apparatus according to the present invention for achieving the above object, the apparatus of the present invention includes an input unit for inputting a signal from the outside; A recording medium recording the book contents; A controller which controls each part to analyze and decode data of the recording medium and to perform an operation corresponding to a signal input from the input unit; A DMA controller for transferring data between the recording medium, the memory, and the controller; A digital / analog converter and amplifier for converting and amplifying the digital signal output from the DMA controller into an analog signal; A speaker for outputting the output signal of the amplifier so that a user can hear it; And a display unit for displaying the type of the recording medium, the contents of the audiobook, the number of pages and paragraphs, and the like.

Further, in the audiobook reproduction method according to the present invention, the method of the present invention comprises the steps of: (1) determining the type of recording medium when power is applied; (2) storing the data structure of the recording medium in a memory according to the type of the recording medium in the step (1); (3) displaying the data structure of the recording medium on the display unit in step (2); (4) If there is a signal input by determining whether there is a signal input from the input unit, characterized in that the process of performing the operation.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic block diagram of an audiobook playback apparatus according to the present invention.

An input unit 10 for inputting a signal from an external device, a CDROM driver 20 for driving a CDROM which is a recording medium storing audiobook data, a flash memory 30 which is a recording medium storing data of the audiobook, A controller 40 which analyzes and decodes the data recorded on the recording medium, and controls each part to perform an operation according to the selection signal when a selection signal is input from the input unit 10, and a data structure of the recording medium. A memory 50 to be stored, a DMA controller 60 which transfers and processes data between the driver 20, the flash memory 30, the controller 40, and the memory 50, and the DMA controller 60. D / A converter and amplifier 70 for converting digital data, which is an output signal, into analog data and amplifying the converted data, and a speaker 80 for outputting the output signal of the D / A converter and amplifier 70 to the outside. And the current image of the audiobook device. The display unit 90 displays a state, a table of contents, and the like.

2 is a flowchart illustrating a method of playing an audiobook according to the present invention.

When the power is turned on to operate the CDROM drive unit 20 to determine the shape of the CDROM (S10), the process of storing the file type of the CDROM confirmed in the step (S10) in the memory (S20) and the A process (S30) of displaying the result of the process (S20) on the display unit 90, and a process (S40) of performing a corresponding operation when there is a signal input from the input unit 10 after performing the process (S30).

If the CDROM is a data file CDROM in step S20, determining whether there is an index file (S21), and if there is an index file, storing the color file structure in the memory 50 (S22), and if there is no index file The directory structure is stored in the memory 50 (S23).

In the case of an audio file CDROM, the process of storing audio track information in the memory 50 (S24), and if there is no CDROM, stores the information of the flash memory 30 (S25).

The audiobook playback apparatus and method according to the present invention configured as described above will be described in more detail.

First, a data recording medium to be used in the audiobook reproducing apparatus according to the present invention will be described.

Generally, the recording medium is a CDROM, a hard disk, and a flash memory, and the data is recorded in a digital audio format such as wav, mpeg, real audio, etc. by reading the contents written in the book. Books can be broken down into chapters, sections, pages, and paragraphs.

In recording a book's contents on a recording medium such as a CDROM or a flash memory, when a paragraph is produced as a single data file, a very large number of data files are required to produce a book. Therefore, in the present invention, the size of the data file is produced in one section or about 5 minutes.

In each data file, information about a position of dividing a book page, paragraph, picture, and table is stored in an index file. Accordingly, the audiobook reproducing apparatus can quickly find and reproduce desired pages and paragraphs without searching all the contents of the data file.

Next, an audiobook reproducing apparatus that can reproduce the above-described recording medium will be described.

First, when power is applied, the controller 40 initializes each part, and if there is a CDROM, operates the CDROM driver 20 to determine the form of the CDROM.

When the CDROM is recorded in the data file format, if the index file exists, the index file is found and stored in the memory 50. If the index file does not exist, the directory structure in which the CDROM data is recorded is analyzed and stored in the memory 50. .

When the CDROM has audio data, the audio track information is simply stored in the memory 50.

If there is no CDROM, the flash memory 30 is checked and the structure of the data recorded therein is stored in the memory 50.

Second, the controller 40 displays the data structure stored in the memory 50 on the display unit 90.

Third, when a signal is input from the input unit 10, the control unit 40 executes the operation. For example, when a reproduction signal is input, the DMA controller 60 transfers data from the CDROM driver 20 or the flash memory 30 to the memory 50.

The control unit 40 analyzes the data and, in the case of audio data, outputs the data directly to the digital / analog converter and the amplifier 70 so that the audio signal can be reproduced. When the CDROM is a data file, the data is decoded and output to the digital / analog converter and the amplifier 70.

The digital-to-analog converter and amplifier 70 converts the input digital data into an analog signal and amplifies the digital data into an appropriate size signal to output to the speaker 80.

In the above description, when the CDROM and the flash memory 30 are used together in the audiobook reproducing apparatus, when the power is turned on, the CDROM driving unit 20 is first operated to determine the form of the CDROM. Check the structure of the recorded data and store it in the memory 50. However, when the power is turned on, the flash memory 30 may be checked first to determine the data structure of the flash memory 30, and if the flash memory 30 is not present, the CDROM driver 20 may be driven to determine the shape of the CDROM. have. That is, there is no problem in reproducing the audiobook reproducing apparatus even if any one of the CDROM and the flash memory, which are the recording media on which the contents of the book are recorded, is checked first.

3 is an external view of an example in which the playback apparatus of the present invention is implemented.

The input unit 10 includes a play related button unit 11, a list selection button unit 12, a page / paragraph selection button unit 13, a page / paragraph number selection button unit 14, a selection button 15, and mode switching. It consists of a button 16.

The liquid crystal display, which is the display unit 90, includes a table of contents display unit 91 representing a table of audiobooks, and a status display unit 92 in which a page " P " is displayed and a corresponding page and paragraph number are displayed when a user inputs a page number. It consists of.

Also provided with an external connection connector 17 and a headphone (earphone) connecting jack 18 to be connected to an external device.

Referring to FIG. 3, pages and paragraph selection and various functions of the audio reproducing apparatus will be described.

The play related button unit 11 performs the previous file play, fast play backward, stop, play, fast forward play, next file play in order.

The list selection button unit 12 moves a cursor up and down to select a list of books displayed on the list display unit 91, and expands a directory to be used when the contents of the book are divided into several levels of directories. And close directory.

The page / paragraph selection button 13 and the page / paragraph number selection button unit 14 and the number button and the selection button 15 perform the following functions.

In order to select a desired page, the user presses the page button 13, the status display unit 91 displays "P", and when the user inputs the page number, the corresponding number is displayed on the status display unit 91, and the selection button If (15) is pressed, the file of the corresponding page is searched from the index file stored in the memory 50 to play the file.

In order to select a paragraph desired by the user, if the paragraph button 13 is pressed while the page selected in the above description is being played, "." Is displayed behind the page in the status display unit 91, and the paragraph number is displayed when the paragraph number is input. " Displayed behind, pressing the select button 15 moves to the corresponding paragraph and the data of the relevant paragraph is played.

The mode button 16 performs the infinitely repeated playback of the file currently being played. When the mode button 16 is pressed, "Repeat" is displayed on the status display unit 91. When the mode button 16 is pressed while the "Repeat" is displayed on the status display unit 91, the "Repeat" display is turned off and the current file is played. When finished, play the next file.

When the power button 19 is pressed while the power is turned off, power is supplied to the audiobook reproducing apparatus and the previous state recorded in a specific portion of the memory 50 is searched to display the position previously played in the index file. 91), so that the user can easily listen to what he / she has heard.

When the power button 91 is pressed while the power is turned on, the controller 40 records the current state in a specific part of the memory 50 and cuts off power of each part.

As described above, the present invention provides an audiobook by implementing an audiobook apparatus capable of storing position information such as pages, paragraphs, pictures, and tables of books in an index file on a recording medium, and reproducing a recording medium storing the index file. It provides the effect that users can quickly play the pages, paragraphs, pictures, and tables they want.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the invention without departing from the spirit and scope of the invention described in the claims below It will be appreciated.

Claims (5)

An input unit for inputting a signal from the outside; A recording medium recording the book contents; A controller which controls each part to analyze and decode data of the recording medium and to perform an operation corresponding to a signal input from the input unit; A DMA controller for transferring data between the recording medium, the memory, and the controller; A digital / analog converter and amplifier for converting and amplifying the digital signal output from the DMA controller into an analog signal; A speaker for outputting the output signal of the amplifier so that a user can hear it; And a display unit for displaying the type of the recording medium, the contents of the audiobook, the number of pages and paragraphs, and the like. The method of claim 1, wherein the recording medium, CDROM, flash memory, where the contents of the book are recorded in various digital data formats such as wav, mpeg, and real audio, and location information such as pages, paragraphs, pictures, and tables of the book are recorded in index files, Audiobook playback device characterized in that stored in the hard disk. The method of claim 1, wherein the input unit, An audiobook playback apparatus comprising a plurality of buttons, wherein a desired chapter, section, page, paragraph, picture, table, or the like can be selected by a combination of the buttons. (1) determining the type of recording medium when power is applied; (2) storing the data structure of the recording medium in a memory according to the type of the recording medium in the step (1); (3) displaying the data structure of the recording medium on the display unit in step (2); And (4) determining whether there is a signal input from the input unit, and if there is a signal input, performing a corresponding operation. The method of claim 2, wherein the recording medium of the step (2) is (2-1) a data file, if there is an index file, storing the structure of the index file, and if there is no index file, storing the directory structure in a memory; (2-2) In the case of audio data, the audiobook reproduction method comprising storing audio track information in a memory.