[Sox] 오디오 파일의 Sample Rate 변환

Sox를 사용하여 음성 파일의 Sampling rate를 16000, channel을 1로 변환한다. https://sox.sourceforge.net/ SoX - Sound eXchange | HomePage Welcome Welcome to the home of SoX, the Swiss Army knife of sound processing programs. SoX is a cross-platform (Windows, Linux, MacOS X, etc.) command line utility that can convert various formats of computer audio files in to other formats. It can also ap sox.sourceforge.net Bas..