KR20060017404A - Random selection method of mp3 file in mobile phone - Google Patents
Random selection method of mp3 file in mobile phone Download PDFInfo
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- KR20060017404A KR20060017404A KR1020040066066A KR20040066066A KR20060017404A KR 20060017404 A KR20060017404 A KR 20060017404A KR 1020040066066 A KR1020040066066 A KR 1020040066066A KR 20040066066 A KR20040066066 A KR 20040066066A KR 20060017404 A KR20060017404 A KR 20060017404A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72442—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
- G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
- G11B2020/00057—MPEG-1 or MPEG-2 audio layer III [MP3]
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Abstract
본 발명은 휴대폰에서 여러 MP3 음악 파일을 무작위로 선택하여 재생하는 기술에 관한 것이다. 이러한 본 발명은, MP3 파일 무작위 선택모드에서, 기지국으로부터 수신되는 시간값을 선택하여 재생 대상의 MP3 파일의 전체 곡 수로 나누어 나머지 값을 구하는 제1과정과; 상기 나머지 값에 해당되는 번호의 MP3 파일을 선택하여 재생처리하는 제2과정과; 재생 대상의 모든 MP3 파일이 재생될 때까지 상기 과정을 반복 수행하는 제3과정에 의해 달성된다.The present invention relates to a technique for randomly selecting and playing various MP3 music files in a mobile phone. The present invention comprises the first step of selecting the time value received from the base station in the MP3 file random selection mode by dividing by the total number of songs of the MP3 file to be played; A second step of selecting and reproducing an MP3 file having a number corresponding to the remaining value; This is achieved by a third process of repeating the above process until all MP3 files to be played are played back.
Description
도 1은 본 발명에 의한 휴대폰에서 음악파일의 무작위 선택방법의 처리과정을 나타낸 신호 흐름도.1 is a signal flow diagram illustrating a process of a random selection method of a music file in a mobile phone according to the present invention.
본 발명은 휴대폰에서 여러 음악 파일을 무작위로 선택하여 재생하는 기술에 관한 것으로, 특히 MP3 기능이 내장된 휴대폰에서 여러 음악 파일을 무작위로 선택하여 재생하기 위한 랜덤 함수를 생성할 때 기지국으로부터 전송받은 시간정보를 이용하여 생성할 수 있도록 한 휴대폰에서 음악파일의 무작위 선택방법에 관한 것이다. The present invention relates to a technology for randomly selecting and playing a plurality of music files in a mobile phone. In particular, the time received from a base station when generating a random function for randomly selecting and playing several music files in a mobile phone with an MP3 function. The present invention relates to a method of randomly selecting music files in a mobile phone so that information can be generated using information.
근래 들어, 휴대폰의 보급률이 급속히 증가되어 현대인의 생활 필수품으로 자리매김되고 있는 실정에 있다. 이와 같은 휴대폰은 고유의 음성통화 서비스는 물론, 각종 데이터 전송 서비스와 다양한 부가서비스를 제공하므로 기능상 멀티미디어 통신기기라 할 수 있다. In recent years, the penetration rate of mobile phones has been increasing rapidly and is becoming a necessity of modern people. Such a mobile phone can be referred to as a multimedia communication device in terms of its function as it provides not only a unique voice call service but also various data transmission services and various additional services.
최근 들어, MP3 기능이 내장된 휴대폰(이하, "MP3 폰"이라 칭함)이 등장하여 사용자들로부터 좋은 반응을 얻고 있는데, 이 MP3 폰은 인터넷이나 피씨로부터 MP3 파일을 다운로드받아 놓고 사용자가 요구하는 시점에서 재생 출력하므로, 사용자는 MP3 폰을 이용하여 고음질의 음악을 감상할 수 있게 된다. Recently, mobile phones with built-in MP3 functions (hereinafter referred to as "MP3 phones") have emerged and have received good response from users. The MP3 phones download MP3 files from the Internet or PC and are requested by users. Since the playback output from, the user can enjoy high quality music using the MP3 phone.
휴대폰에 다수의 MP3 파일을 저장해 두고 사용자의 요구에 따라 이들을 선택하여 재생하는 방법에는 여러 가지가 있다. There are many ways to store multiple MP3 files on your phone and select and play them according to your needs.
예를 들어, MP3 파일을 하나씩 선택하여 재생하는 방법, 한 번에 여러 MP3 파일을 선택한 후 순차적으로 재생하는 방법, 여러 MP3 파일 중에서 하나의 파일을 무작위로 반복적으로 선택하여 재생하는 방법 등이 있다. For example, a method of selecting and playing MP3 files one by one, a method of selecting and playing multiple MP3 files at a time, and a method of repeatedly selecting and playing one file among multiple MP3 files at random.
종래의 휴대폰에 있어서는 MP3 파일을 무작위로 선택하여 재생하기 위해 통상의 랜덤함수 발생기를 이용하였는데, 랜덤한 선택번호를 안정되게 발생하지 못하여 제품의 신뢰도가 저하되는 문제점이 있었다. In a conventional mobile phone, a conventional random function generator is used to randomly select and play an MP3 file, but there is a problem in that the reliability of the product is lowered because the random selection number cannot be stably generated.
따라서, 본 발명의 목적은 MP3 기능이 내장된 휴대폰에서 여러 음악 파일을 무작위로 선택하여 재생하기 위한 랜덤 함수를 생성할 때 기지국으로부터 전송받은 시간정보를 이용하여 생성하는 방법을 제공함에 있다. Accordingly, an object of the present invention is to provide a method for generating using a time information received from a base station when generating a random function for randomly selecting and playing a plurality of music files in a mobile phone with an MP3 function.
본 발명에 의한 휴대폰에서 음악파일의 무작위 선택방법은, Random selection method of music files in the mobile phone according to the present invention,
사용자에 의해 MP3 파일 무작위 선택모드가 설정되면, 기지국으로부터 수신되는 시간값을 선택하여 재생 대상의 MP3 파일의 전체 곡 수로 나누어 나머지 값을 구하는 제1과정과; A first step of selecting a time value received from the base station by dividing the total number of songs of the MP3 file to be reproduced by the user when the MP3 file random selection mode is set;
상기 나머지 값이 처음 나타난 값인지 확인하여 이미 나타났던 값으로 판명되면 상기 과정을 반복 수행하여 또 다른 나머지 값을 구하고, 처음 나타난 값으로 판명되면, 그 나머지 값을 저장한 후 그 값에 해당되는 번호의 MP3 파일을 선택하여 재생처리하는 제2과정과;If it is determined that the remaining value is the first value, and then it is determined to be a value that has already appeared, the process is repeated to obtain another remaining value, and if it is found to be the first value, the remaining value is stored and the number corresponding to the value. A second step of selecting and playing back the MP3 file;
재생 대상의 모든 MP3 파일이 재생될 때까지 상기 과정을 반복 수행하는 제3과정으로 이루어지는 것으로, 이와 같이 이루어지는 본 발명의 음악파일의 무작위 선택과정을 첨부한 도 1을 참조하여 상세히 설명하면 다음과 같다.A third process of repeatedly performing the above process until all MP3 files to be played are reproduced. The random selection process of the music file of the present invention made as described above will be described in detail with reference to FIG. 1. .
사용자가 휴대폰의 소정 저장공간에 저장되어 있는 여러 MP3 파일을 대상으로 무작위(random)로 선택하여 재생시키고자 하는 경우, MP3 파일 무작위 선택모드를 설정한다. (S1)When the user wants to randomly select and play a plurality of MP3 files stored in a predetermined storage space of the mobile phone, the MP3 file random selection mode is set. (S1)
이때, 휴대폰의 시스템 제어부(예: CPU)에서는 현재 기지국으로부터 수신한 소정 비트(예: 32bit)의 시간값(단위: μsec)을 사용자가 재생을 위해 선택한 MP3 파일의 전체 곡 수로 나눈다.(S2) At this time, the system control unit (eg, CPU) of the mobile phone divides the time value (unit: μsec) of the predetermined bit (eg, 32 bits) received from the current base station by the total number of songs of the MP3 file selected by the user for playback (S2).
그리고, 상기 전체 곡 수로 나눈 나머지 값이 처음 나타난 값인지 확인하여 이미 나타났던 값으로 판명되면 상기 과정을 반복 수행하여 또 다른 나머지 값을 구한다.(S3)If it is determined that the remaining value divided by the total number of songs is the first value, it is determined that the already appeared value is repeated to obtain another remaining value by repeating the above process (S3).
하지만, 상기 확인 결과 전체 곡 수로 나눈 나머지 값이 처음 나타난 값으로 판명되면, 그 나머지 값을 저장한 후 그 나머지 값에 해당되는 번호의 MP3 파일을 선택하여 재생처리한다.(S4-S6)However, if the result of the check indicates that the remaining value divided by the total number of songs is the first value, the remaining value is stored and the MP3 file of the number corresponding to the remaining value is selected and reproduced. (S4-S6)
이와 같은 과정을 통해 한 곡의 MP3 파일이 재생처리되면, 재생 대상의 모든 MP3 파일이 재생되었는지 확인한다.(S7)When a single MP3 file is processed through this process, it is checked whether all MP3 files of the playback target are played.
상기 확인 결과 재생 대상의 모든 MP3 파일이 재생되지 않았으면, 모든 MP3 파일이 재생될 때까지 상기 과정(S2-S6)을 반복 수행한 후 종료한다. If all of the MP3 files to be played are not played as a result of the checking, the process (S2-S6) is repeated until all the MP3 files are played, and then ends.
이상에서 상세히 설명한 바와 같이 본 발명은 MP3 기능이 내장된 휴대폰에서 여러 음악 파일을 무작위로 선택하여 재생하기 위한 랜덤 함수를 생성할 때 기지국으로부터 전송받은 시간정보를 이용하여 생성함으로써, 랜덤함수가 보다 정확하고 안정되게 발생되어 제품의 신뢰도가 향상되는 효과가 있다. As described in detail above, the present invention generates a random function using a time information received from a base station when generating a random function for randomly selecting and playing a plurality of music files in a mobile phone having an MP3 function, thereby making the random function more accurate. It is generated and stable and has the effect of improving the reliability of the product.
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