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发明名称
一种音频信号保真变速放音方法及其装置
摘要
本发明提供了一种音频信号保真变速放音方法及其音频信号保真变速放音装置。将外部信号读入变速放音装置内,进行以切割、分段、插入或删除为特征的处理,使原信号变长或缩短,然后再通过放音系统将经过变速处理后的信号放出,可获得保真(不变调)变速放音的效果。本装置对音频信号可实现实时不变调变速放音,且变速范围可达±200%以上,可用于语音学、语音识别、频谱分析以及声乐学等方面,特别适用于语言学。
申请公布号
CN1197976A
申请公布日期
1998.11.04
申请号
CN97106401.6
申请日期
1997.04.28
申请人
苏勇;沈雪良
发明人
苏勇;沈雪良
分类号
G11B5/02;G11B5/027;G11B20/02
主分类号
G11B5/02
代理机构
代理人
主权项
1.一种音频信号保真变速放音方法,其特征在于将存储于存储媒体上的外部音频信号读入或将外部音频信号直接输入音频信号保真变速放音装置,在对所读入或所输入的外部信号进行以切割、分段、插入或删除为特征的处理后,将该处理过的信号数据经由音频重放系统放出。
地址
200540上海市石化梅州新村29号601室
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