小波 分析 is a 种类 of windowed 频谱 分析 As opposed to short-time 傅里叶 分析 with its uniform time-frequency regions 小波 分析 divides the time-frequency plane into nonuniform regions 小波 技术 were first applied to 為耳/音频 信号 in the 1980s Today [there have been] notable successes in the 域（范围） of 瞬态 探测 and 数据 简化 源 - 柯蒂斯 罗兹 2001 微声 MIT Press 239-240