The 手段(意味着) and manner by which a 人类 may 交互 with a 机 for the purpose of 音乐 制作 has 证明 an area of immense 研究 and 活动 since the days of early 电子 乐器 This 术语 is used without any great consistency in part due to the immense scale of current 研究 and 活动 in the 领域（野外）

Any conceivable 手段(意味着) of inputting 数据 into a 系统 to elicit some 形（曲）式 of 音乐方面 meaningful 响应/反应 may be considered to be a 控制器 In the 最广泛 可能 感觉 a 控制器 via some 形（曲）式 of 通讯 between 组成 parts e g 乐器数字接口 converters 计算机 软件 in conjunction with some 手段(意味着) of producing or modifying 声音 may be termed an 交互 乐器 Frequently such 控制器 存在 in homologous 关系 with 传感器 e g of 动作 Thus gloves conductors batons toys amongst countless other examples may be constructed or 改 to 功能（函数） as 音乐 乐器

An 现有 形（曲）式 of 音乐 乐器 may be 改 through the addition of 传感器 enabling 控制 of additional 电子手段 mediated 声音 生成 or 修正 包括 the instrumental 声音 itself in addition to the conventional 控制 the 音乐家 exerts over the 制作 of the acoustic 声音 Such examples are also sometimes referred to as Extended 乐器