| 摘要 |
An automatic accompaniment apparatus of an electronic musical instrument is composed of a keyboards 150, 151, a chord detecting section 10 which detects a chord when a key of the keyboard is pushed or released, a storage section 13 which stores automatic accompaniment data which contains sound generation timings, and a control unit 10 which controls a re-trigger operation in which when the timing arrives at one of the sound generation timings of the automatic accompaniment data stored in the storage section, the automatic accompaniment data is developed in accordance with the chord detected by the chord detecting section such that an accompaniment sound is generated, and only when the key is pushed at a timing other than the sound generation timings, the accompaniment sound currently generated is extinguished, and an accompaniment sound is generated in accordance with the chord detected by the chord detecting section. According to the structure, the chord detection is carried out at the two timings when the key of the keyboard is pushed and is released. However, the re-trigger operation is carried out only when the key is pushed and it is not carried out when the key is released. Thus, it is possible to generate the accompaniment sound in accordance with the intention of the player.
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