BES芯片耳机录音方案压缩算法

上传者: 34990604 | 上传时间: 2025-06-20 14:30:42 | 文件大小: 1.69MB | 文件类型: 7Z
资源压缩包包括了msbc和OPUS ,包含编解码内容 1. MSBC SBC是一种低复杂度的编解码技术,压缩比率适中,支持16kHz, 32kHz, 44.1kHz和48kHz的采样率,也因此成为蓝牙高清 语音的当然之选。对于8k /16kHz的宽带语音而言,SBC能以64kbps数据速率对其进行4:1的压缩。但是,当SBC编码帧通过蓝牙传输时,它可能与底层蓝牙数据包不相匹配。因此,mSBC编解码技术被开发用于匹配SBC和蓝牙数据包,并于2011年5月被定义为 Bluetooth Hands-Free Profile 1.6中的强制编解码方式。在音质相对比较高 蓝牙带宽允许的情况可以使用 msbc 编码 ,附件优化了压缩比 到5:1 音质也相当不错 . 2.OPUS Opus 是一个完全开源,免费的,通用性高的音频解码器。Opus 在网络上有着无与伦比的交互式语音和音乐传播功能,但也可以用来存储,在流媒体上使用。Opus 遵从 Internet Engineering Task Force (IETF) RFC 6716 标准,整合了Skype’s SILK 解码和 CETL

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