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    • 6. 发明授权
    • Apparatus and method for processing MIDI
    • 用于处理MIDI的装置和方法
    • US07427709B2
    • 2008-09-23
    • US11085950
    • 2005-03-21
    • Jae Hyuck LeeJung Min SongYong Chul ParkJun Yup Lee
    • Jae Hyuck LeeJung Min SongYong Chul ParkJun Yup Lee
    • G10H7/00
    • G10H1/0575G10H7/02G10H2230/021G10H2230/041G10H2240/056G10H2250/571
    • Provided are an apparatus and a method for processing MIDI in a wireless terminal capable of controlling a volume of sound source samples when the MIDI is played. According to the method, a plurality of notes, volume levels, volume section information, and note playback duration information are extracted from an inputted MIDI file. After a volume sample number in each section is calculated using the extracted volume level and the volume section information, a volume of the sound source samples that correspond to a note that is to be played is controlled using the volume sample numbers. Next, frequency of the sound source samples are converted to a frequency assigned to the notes and the sound source samples are outputted, reducing a system load caused by the real-time play of the MIDI.
    • 提供了一种用于处理无线终端中的MIDI的装置和方法,能够在播放MIDI时控制声源样本的音量。 根据该方法,从输入的MIDI文件中提取多个音符,音量,音量部分信息和音符重放持续时间信息。 在使用提取的音量等级和音量部分信息计算每个部分中的体积样本号之后,使用体积样本号来控制与要播放的音符相对应的声源样本的音量。 接下来,将声源样本的频率转换为分配给音符的频率,并且输出声源样本,从而减少由MIDI的实时播放引起的系统负载。