Working with the 技术 of 声音 录音 and 回放 人 soon discovered that they could 创作 entirely new 声音 By 处理 the 电子 信号 发送 to a 扬声器 声音 that had never existed before came to life The 扬声器 became part of an 乐器 itself

A 生成 sound
生成 声音 are made with the help of 技术 设备 for 例如 a 计算机

What you just 听 is a 生成 声音 生成 声音 are used in 电子 音乐

You might have come across 生成 声音 in many situations in your life And it is very likely that you will have 听 音乐 using these 声音

Uncovering the Ingredients of Sound
With the help of 电子 技术 it was 可能 to examine how 声音 worked

科学家 investigated the 基础 属性 of 声音 and then 创作 电子 电路 which could reproduce and 创作 new 声音

They used oscilloscopes a 作品 of 设备 that displays 声音 波 on a 视觉 screen to view the 声波

Building New Sounds
Inside nearly all 电子 乐器 is an 电子 part called an 振荡器 These 创作 a 信号 波 which moves back and forth the 波 can be 描述 as oscillating Almost any 电子 设备 that produces its own 声音 will 包含 an 振荡器

These oscillating 电子 信号 are then fed to a 扬声器 and are converted into 声音 波

By 控制 the 电子 振荡器 it is 可能 to 创作 声音 of different 音高 响度 and 时值

While different 种类 of 震荡器 will 创作 声音 that have a different 音色

By 合并 individual 基础 声音 波 it is 可能 to 创作 an unlimited 数 of new 声音 质地（纹理、织体）

New Instruments
Many early 电子 乐器 were extensions to 现有 acoustic 乐器 e g the Electric guitar but other brand new 乐器 were soon 发明

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