This 提及 to the changing of the 音高 in either 方向 传统 音高 移位/偏移 went hand in hand with the change of 速度 of a 磁带 录音机

With today’s 数字 技术 音高 移位/偏移 can take place alongside 时间 stretching and 压缩 whereby the 时值 need 不 be altered only the 音高