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wisdom-cap-back

wisdom-cap-back

前期准备:1、语音文件录入、SDK实现语音识别 2、文字转语音,SDK实现文字转语音 将两个功能均封装为工具类,能够直接调用 这两个语音均应考虑音频格式转码问题,音频输入输出格式参考科大讯飞官网https://www.xfyun.cn/services/lfasr 树莓派的默认音频格式是PCM(Pulse-code modulation)格式,采样率为48kHz,采样位数为16位,单声道(Mono),可以在Java程序中使用Java Sound API来访问ALSA驱动程序,并进行音频采集和处理。 同时需要考虑录音降噪的问题,可使用Beads,这是一个用于实时音频处理的Java库。它提供了许多用于分离、降噪和处理音频的类和方法。其中,Beads中的BTrack类可以实现音频分离,而NoiseGate类可以实现降噪。也可使用JavaCV,是一个用于计算机视觉和音频处理的Java库。它提供了一个简单的接口来访问OpenCV和FFmpeg等库。JavaCV中的OpenCV库可以用于音频分离和降噪。

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