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3.MIDI声频 MPC技术指标要求所有的声音卡支持MIDI标准,由于MIDI文件占空间极少,因此很多游戏伴音都以MIDI存放。对于一块声卡,首先看有无MIDI合成器,若有还要看MIDI输出采用何种合成方法。较便宜声音卡用FM(调频)合成器演奏,它使用了OPL-3这样的应用于电子琴的流行合成器芯片。音效与原有音乐相去很远,而且不能模拟人声及自然的鸟语兽鸣,属中低档产品。
3.MIDI audio MPC technical indicators require that all sound cards support MIDI standards, because MIDI files take up very little space, so many game sound are stored in MIDI. For a sound card, first of all to see if there is no MIDI synthesizer, if any, but also depends on what kind of synthesis of MIDI output. The cheaper sound card is played on an FM (Synthesizer) synthesizer that uses a popular synthesizer chip such as the OPL-3 for the keyboard. Sound effects and the original music go a long way, but can not simulate the sound of birds and natural animal sounds, is a middle and low product.