MessageSender.java 文件源码

private static AudioInputStream adjustAudioEncoding(InputStream sourceWavStream) throws UnsupportedAudioFileException, IOException {
    AudioInputStream audioPcm = getAudioInputStream(sourceWavStream);
    AudioInputStream audio16khz = to16khz(audioPcm);
    AudioInputStream audio16khzMono = toMono(audio16khz);
    AudioInputStream audio16khzMonoPcm = toPcm(audio16khzMono);
    skipRiffHeader(audio16khzMonoPcm);
    return audio16khzMonoPcm;
}