Save a microphone sound as PCM file and play it. Using AudioRecord and AudioTrack. 마이크 소리를 PCM 파일로 저장하고 재생합니다. AudioRecord와 AudioTrack을 사용했습니다. https://www.linkedin.com/posts/jaehwa-noh_github-jaehwa-nohaudiotest-using-audiorecord-activity-7329457100294619136-jND6?utm_source=share&utm_medium=member_desktop&rcm=ACoAADl2QJ0Bukw7tKScLpkmCtWdcYbgz1u8lDg