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A music file production and playback method

A technology of music and archives, which is applied in the field of computer-readable recording media, and can solve problems such as limited storage usage restrictions

Inactive Publication Date: 2005-01-19
SUNPLUS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will cause a great restriction to the use of the limited memory of portable electronic products, therefore, the aforementioned existing music file technology really needs to be improved

Method used

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  • A music file production and playback method
  • A music file production and playback method
  • A music file production and playback method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] About the method that the music file of the present invention produces, please refer to image 3 As shown in the music file format produced by the method of the present invention, one or multiple events (recorded in the event column 32) that occur at the same time are corresponding to a single time column 31, that is, its music file It is formed by connecting a plurality of time fields 31 and event fields 32, and a time field 31 is followed by one or a plurality of event blocks 32 corresponding to the time field 31, so as to save the length of the music file, And reach the purpose of the present invention.

[0019] Figure 4 is produced image 3 The method flowchart of the music file, its execution steps are as follows:

[0020] Step S10, record the relative time to the time field. The record format of the time field is in accordance with the record format of the SMF or SMAF time field. Among them, the record content of the time column is a relative time, such as ...

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Abstract

This invention relates to a music file generation and playing method and a computer readable media with the music files. It can record all events performed in one time with separately event column and make them respond to each time column and so the music files have shorter length. When reading the music files , it reads time column and relevant more than one event columns.

Description

technical field [0001] The present invention relates to a method for generating music files, especially a method for using the time field and event field format of the digital interface of the Music Association as the method for generating the time field and event field of music files, and the music file The playback method and the computer-readable recording medium containing the music file. Background technique [0002] In the field of playing music, MIDI (Music Instrument Digital Interface) music file format has always been a very popular standard. Among them, the MIDI music file format can be divided into SMF (Standard Music Association Digital Interface Format, standardMIDI format) and SMAF (Synthetic music mobile application format, Synthetic music Mobile Application Format). Such as figure 1 As shown, the SMF area is divided into three parts: one is the time column 11, which is used to record the corresponding time; the other is the status column 12, which is used t...

Claims

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Application Information

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IPC IPC(8): G06F3/00G06F3/06
Inventor 李忠宪
Owner SUNPLUS TECH CO LTD
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