KR20030035692A - Caption repeat player and method of reproducing caption data - Google Patents

Abstract

PURPOSE: An audio data repeat player and a method for reproducing data thereof are provided to listen to a preliminarily marked part while maintaining high sound quality and high capacity of an MP3 file. CONSTITUTION: A memory stores an MP3 file downloaded from a communication network(S81). It is judged whether a caption file exists in the MP3 file(S82). If so, preliminarily marked data is extracted(S83). A wave window and a caption window are output to display the caption data and the extracted marked data(S84). It is judged whether a user wants to edit the marked data to the caption data(S85). The user edits the marked data(S86). The caption data having the edited marked data is reproduced(S87). The current position information and the edition state information are stored at the memory(S90). The caption file is returned to the initial position and is reproduced until the caption file reaches the current position(S92). It is judged whether the user wants to edit the marked data(S93). The user edits the marked data(S88). The edited data is stored at the memory(S89).

Description

Audio data repeat player and its playback method {CAPTION REPEAT PLAYER AND METHOD OF REPRODUCING CAPTION DATA}

The present invention relates to a data player, and more particularly, to a language learning player capable of repetitive data reproduction.

In general, an MP3 player refers to a device that downloads an MP3 file through the Internet, stores it in a flash memory chip, and plays the MP3 file. As another example, there is a CDMP3 player that can store MP3 files downloaded through the Internet, recognize them, and play them. For example, the MP3 file for language learning used in these players contains various data such as caption data and copyright information corresponding to the language. However, at present, words, sentences, paragraphs, and the like in caption data contained in such MP3 files are reproduced in repeating units which are preset in hardware by a copyrighted manufacturer. For this reason, the user cannot set the desired part arbitrarily, and there existed a problem that language learning efficiency fell.

Accordingly, a main object of the present invention is to provide a repeat player for language learning and a method thereof, by which repetitive reproduction of caption data contained in an MP3 file can be arbitrarily set by a user, thereby improving the language learning efficiency.

1 is a schematic diagram schematically showing a hardware configuration of a repeat player for language learning according to the present invention.

2 to 5 are schematic diagrams illustrating a format structure of an MP3 file stored in the memory of FIG. 1.

6 and 7 are flowcharts for explaining a marking process according to the present invention, respectively.

<Explanation of symbols for the main parts of the drawings>

10: memory

20: control key

30: controller

40: decoder

50: DAC

70: communication port

90: marking frame

91-1, 91-2, 91-3: Marking data records

92: marking field

93: time field

In order to achieve the above object, according to an embodiment of the present invention, a data repeat player having a repetitive reproduction function of compressed audio data, comprising: a memory for storing compressed audio data and associated marking data; A controller for storing the audio data and extracting the marking data from the memory, a decoder for decoding the audio data extracted from the controller into an analog audio signal and reproducing the decoded audio signal in synchronization with the marking data. And the marking data controls a repetitive reproduction of the audio data.

According to another embodiment of the present invention, a method of reproducing a data repeat player having a memory and having a repetitive reproduction function of compressed audio data, the method comprising: reproducing the compressed audio data; and a caption inserted into the reproduced audio data. Extracting data, extracting marking data previously inserted in relation to the caption data, performing marking editing on the extracted marking data, and extracting the caption data and the edited marking data. Storing the caption data stored in the memory in synchronism with the modified marking data, wherein the marking data includes data in which at least one repetition section is designated in the caption data. A phosphorus recycling method is provided.

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

1 is a schematic diagram schematically showing a hardware configuration of a repeat player for language learning according to the present invention.

As shown in FIG. 1, the repeat player 100 for language learning includes a memory 10, a controller 20, a controller 30, a decoder 40, a digital-to-analog converter (DAC) 50, and a speaker 60. And a communication port 70. The memory 10 stores marking frame data generated by the present invention, including, for example, ordinary compressed data (for example, an MP3 file), and includes a CD, CD-RW, MD, flash memory, MMC or SMC, Or a combination thereof. The format structure of the MP3 file stored in the memory 10 will be described in detail with reference to FIGS. 2 to 5 below.

The control key 20 is used to perform the language learning repetition function of the present invention and has a plurality of keys (not shown). The controller 30 is a microprocessor for controlling each component of the language learning repeat player of the present invention, and stores MP3 data having marking frame data generated by the present invention in the memory 10 or from the memory 10. The MP3 data is extracted and transmitted to the decoder 40 as an MPEG bit stream. The decoder 40 decodes the MPEG bit stream transmitted from the controller 30, converts the MPEG bit stream into a digital audio / video signal, and transmits the same to the digital-to-analog converter (DAC) 50. The DAC 50 converts the digital signal transmitted from the decoder 40 into an analog signal and amplifies it through an integrated amplifier (not shown), and transmits the amplified analog signal to the speaker 60. The communication port 70 is provided for interfacing with an external device such as a personal computer.

2 to 5 are schematic diagrams illustrating a format structure of an MP3 file stored in the memory 10 of FIG. 1.

In FIG. 2, the MP3 data 80 is data compressed by a conventional compression method, and the marking frame 90 is generated by the present invention, and the repetitive marking indication designated by the user with respect to the caption data included in the MP3 data is shown. Contains data. That is, the marking frame 90 is an area in which the repeated marking data is stored so that the caption data can be repeated in a predetermined section corresponding to the total reproduction time or size of the MP3 data.

The marking frame 90 may be located before or after the ID3vl tag indicating basic information such as a song title, a composer, a singer, and the like, for example, for the MP3 music file. This is because the MP3 file is lossy compressed data, so no marking can be made on the file itself.

3 is a schematic diagram showing in detail the structure of the marking frame 90 shown in FIG.

In Fig. 3, the marking frame 90 is composed of a plurality of marking data records 91-1, 91-2, ..., and an identifier (not shown) indicating that the marking frame has been added to the MP3 file. The marking frame 90 has a variable size in accordance with the specified number of times of repetitive marking position (described later). Each marking data record 91-1, 91-2, ... is composed of a set of marking fields 92 and time fields 93 as shown on the right side of FIG.

As shown in FIG. 3, the marking field 92 may consist of 1 byte, for example. In the marking field 92, bits 7 are 0, bits 6-4 represent the speaker of the caption data, bit 3 is the marking indication, and bit 2-0 represents the repetitive syntax description. The speaker can arbitrarily set up to eight people using the 3-bit value of bits 6-4. For convenience of explanation, it is assumed that if the value of bits 6-4 is 000, it represents speaker A, 001 represents speaker B, 010 represents speaker C, and 011 represents speaker D. As described above, bit 3 is a marking indication, indicating the start and end of the repetitive syntax object and the speaker, 1 indicating the start, and 0 indicating the end. For bit 2-0, which is a repetitive syntax object, for example, the value of the bit is 100, the word is 101, the sentence is 110, the paragraph is 110, and the entire text is 111. Of course, the repetition syntax object may be additionally set according to a user's needs. For example, when the value of the marking field is "00001111", it means "the start of repetition of the entire text by the speaker A", and "00000111" means "the end of the repetition of the entire text by the speaker A".

The time field 93 in the marking data record indicates the elapsed time of the marking field from the beginning of the MP3 file. In addition, the time field 93 has a unit of 0.1 second and the maximum size is set to hexadecimal FFDF in order to avoid collision with the syncword of the MP3 header. For example, 10.3 seconds is represented by 103, that is, 0067, and 3 minutes 21.2 seconds is represented by 2012, that is, 07DC. Each marking data record is 2 bytes in size. Likewise, the maximum size is set to hexadecimal FFDF to avoid collision with the sync word of the MP3 header.

5 is a schematic diagram for explaining a process of creating a marking data record according to the present invention.

As shown in Fig. 5, when the caption data contained in the MP3 file downloaded from the Internet is, for example, "Good morning How are you? I'm fine thank you", this is performed by the marking frame writing software of the present invention. Is displayed on the monitor, and the user can use it to insert a marking frame into the downloaded MP3 file. For example, using a data input device such as a mouse, the user marks the starting point ▶ at the position “G” of the initial word “Good” and marks the ending point ◀ at the position before “How” as shown in FIG. 4. . In this case, the interval 1 between the start point ▶ and the end point ◀ is set as the first repetitive syntax object. In addition, the user can select, for example, the speaker A by using a speaker selection button (not shown) provided by the creation software. That is, the first repetitive phrase object "Good morning" is represented as the marking fields "00001101" and "00000101" as shown in FIG. In this case, the time field is automatically set from 0 seconds to 1.5 seconds.

Next, as described above, the user marks the starting point ▶ at the “H” position of “How” and marks the ending point ◀ at the position before “I'm”. In this case, the interval 2 between the starting point ▶ and the ending point ◀ is set as the second repetitive syntax object. Similarly, the user can select, for example, speaker B using a speaker selection button (not shown) provided by the creation software. That is, the second iteration syntax object "How are you?" Is represented as the marking fields "00011101" and "00010101" as shown in FIG. In this case, the time field is automatically set from 1.5 seconds to 3.0 seconds.

Next, the user marks the starting point ▶ at the “I” position of “I'm” and marks the ending point ◀ at the “u” position of “thank you”. In this case, the interval 3 between the start point ▶ and the end point ◀ is set as the third repetition phrase object. Similarly, the user can select, for example, speaker A by using a speaker selection button (not shown) provided by the creation software. That is, the third repetition phrase object "I'm fine thank you" is represented as the marking fields "00001101" and "00000101" as shown in FIG. In this case, the time field is automatically set from 3.0 seconds to 5.0 seconds.

The marking field and the time field created in this way constitute a plurality of marking data records 91-1, 91-2, ... as shown in Figs. 2 and 3 to form an MP3 file as a marking frame 90. It is attached later. In the above example, the sentence has been described, but the same method may be applied to words, paragraphs, and entire texts. That is, each section in which the repeat start point and the end point are set may be repeatedly played, or the entire sentence may be set as one repeating block at random by the user, or the repeating block may be set in units of words.

In addition, the repeating section set as described above may be repeated according to the number of repetitions by the user's designation, and may be released according to the user's manipulation.

Further, according to the present invention, in a marking frame in which word repetition, sentence repetition, paragraph repetition, and user-specified interval repetition are mixed, when reading data through software or hardware, only specific data desired by a user Can be extracted and played back repeatedly. For example, when the user selects a word type repetition, the language learning repeat player of the present invention extracts and reproduces only a word having marking data set from a marking frame set in an MP3 file. By doing in this way, the language learning efficiency of a user can be improved.

In addition, according to the present invention, a speaker mute function is provided. This speaker mute function enables a conversational dialogue practice between the player and the user by muting the speaker in front of the repeated section marking data and muting the speaker's voice when the data is reproduced. For example, by setting the most significant bit in the marking field "00001110" to "1", that is, "10001110", the speech of the speaker D marked in paragraph "110" is silenced during file reproduction.

The MP3 file in which the marking frame generated according to the present invention is inserted can be played even without a separate function in a conventional MP3 player.

6 and 7 are flowcharts for explaining a marking process according to the present invention, respectively.

In Fig. 6, the process of the present invention loads MP3 files downloaded from a communication network such as the Internet by marking frame creation software, and stores them in a memory (not shown) in a personal computer (S81). It is determined whether a caption file exists (S82).

If the caption file exists, the data marked in advance in the caption file is extracted (S83). In this case, the extraction of the marking data is performed in units of word (W), sentence (S), paragraph (P) and user specification (U), and the order thereof may be fixed or variable. Thereafter, the process outputs a wave window and a caption window for displaying the caption data and the extracted marking data (S84). Based on this, the user can edit the marking data for the caption data as needed. If editing of the marking data is desired (S85), the user uses a data input device such as a mouse to perform marking editing such as correction, addition or deletion on the marking data (S86).

When caption data having the edited marking data is reproduced in this manner (S87), the process stores the current position information and the edit state information as a marking frame in the memory (S90). Next, the process returns the caption file to the initial position and plays back until it reaches the current position stored in the memory (S92). If you want to continue editing the marking data (S93), the user edits the marking data in the manner described above (S88). If editing of the marking data is completed, the editing data is stored in the memory (S89).

On the other hand, if the caption file does not exist (S82), the process proceeds to step S100 of FIG. 7 via the tab A to execute the marking process for the MP3 file. In detail, the user selects a desired button (for example, W) from the plurality of marking buttons W, S, P, and U provided on the monitor for marking MP3 files downloaded from the Internet (S101). Accordingly, the process reproduces the MP3 file in units of words W (S102) and stops at the end of the word (S103). Thereafter, when the user marks at the end point using a data input device such as a mouse (S104), the process returns to the start point of the word and plays back to the marked position (S105). Next, if there is no further editing editing by the user (S106), the process stores marking information up to now (S107). Through this process, marking and editing can be performed for all words in the MP3 file.

On the other hand, if you want to further edit the sentence, paragraph, user designation, etc. based on the edited words (S108), the user drags the marked edited word window (S109, S110), another task window, for example For example, the copied word may be moved to the sentence window (S112). Thereafter, the user can perform an additional marking operation by reproducing a sentence having a previously edited word (S102). In this way, the user can easily create a marking frame for the MP3 file by easily copying and moving the marked word, sentence, paragraph or user designation.

As mentioned above, although preferred embodiment of this invention was described, those skilled in the art can change variously, without deviating from the claim of this invention.

Therefore, according to the present invention, since the generated marking frame is inserted into the rear end of the MP3 file, there is no influence on the original MP3 file, so that the user needs to mark the portion previously marked while maintaining the high sound quality and high capacity of the MP3 file. You can listen accordingly.

Further, according to the present invention, by arbitrarily setting a desired repetition section in the MP3 file, learning contents suitable for the user can be created, thereby improving learning efficiency.

Claims (22)

In a data repeat player having a repeat playback function of compressed audio data, A memory for storing compressed audio data and associated marking data; A control unit for extracting the audio data and the marking data from the memory; A decoder for decoding the audio data extracted by the controller into an analog audio signal and reproducing the decoded audio signal in synchronization with the marking data; And the marking data controls repetitive reproduction of the audio data. The method of claim 1, And the marking data is generated by a user. The method of claim 1, And the memory is implemented as a CD, CD-RW, MD, flash memory, MMC or SMC, or a combination thereof. The method of claim 1, The compressed audio data includes caption data, And the marking data is data designated by the user for at least one repetition section marking with respect to the caption data. The method of claim 4, wherein The marking data has a plurality of marking data records, each consisting of a set of marking fields and a time field, wherein the marking fields comprise a speaker for the marked caption data, the repetition interval marking, and a repetitive syntax object ( description), wherein the time field indicates an elapsed time of the marking field for the caption data. The method of claim 5, And the marking data has a variable size according to a specified number of times of repeating interval marking. According to claim 5, The repeating phrase object is a word, sentence, paragraph or whole text, or a combination thereof. The method of claim 6, The marking data includes word repetition, sentence repetition, paragraph repetition, or user arbitrarily designated section repetition, and the reproduction of the audio data is repeatedly performed based on the repetition type designated by the user. . The method of claim 8, And the marking data includes data for silently processing a speaker's voice when the caption data is reproduced. The method of claim 9, And the marking data is inserted after the compressed audio data. A reproduction method of a data repeat player having a memory and having a repeat playback function of compressed audio data, Playing the compressed audio data; Inserting marking data on the reproduced audio data and storing the marking data in the memory; Reproducing the reproduction of the audio data stored in the memory in synchronization with the marking data, And the marking data is data in which at least one repetition section is designated in the compressed audio data. The method of claim 11, And the marking data is generated by a user's operation. The method of claim 11, The compressed audio data includes caption data, The marking data has a plurality of marking data records, each consisting of a set of marking fields and a time field, wherein the marking fields comprise a speaker for the marked caption data, the repetition interval marking, and a repetitive syntax object ( description), wherein the time field indicates an elapsed time of the marking field for the caption data. The method of claim 11, And the marking data insertion step is performed based on words, sentences, paragraphs, whole text, or a combination thereof in the caption data. According to claim 13, The repetitive phrase object is a word, sentence, paragraph or whole text, or a combination thereof. The method of claim 14, And the marking data includes a word repetition, a sentence repetition, a paragraph repetition, or a user-specified interval repetition, and the reproduction of the audio data is repeatedly performed according to the repetition type designated by the user. The method of claim 16, And said marking data includes data for silently processing a speaker's voice during reproduction of said caption data. The method of claim 17, And the marking data is inserted after the compressed audio data. A data repeating method of a data repeat player having a memory and having a repeat playing function of compressed audio data, Playing the compressed audio data; Extracting caption data inserted into the reproduced audio data; Extracting marking data previously inserted in relation to the caption data; Performing marking editing on the extracted marking data; Storing the caption data and the edited marking data in the memory; Reproducing the caption data stored in the memory in synchronization with the modified marking data; And the marking data is data in which at least one repetition section is designated with respect to the caption data. The method of claim 19, The marking editing is performed by a user's operation. The method of claim 19, The extraction of the marking data is performed in units of words, sentences, paragraphs, and user designations, and the order thereof is fixed or variable. The method of claim 21, And the marking data is inserted after the compressed audio data.