playing a nonstop audio file
조회 수: 1 (최근 30일)
이전 댓글 표시
how can i play an audio file without stopping kinda like a loop in app designer
[y,Fs] = audioread(app.files);
sound(y,Fs)
this will just play it once
댓글 수: 0
답변 (1개)
jibrahim
2022년 9월 6일
afr = dsp.AudioFileReader('speech_dft.mp3','PlayCount',Inf);
adw = audioDeviceWriter('SampleRate', afr.SampleRate);
while ~isDone(afr)
audio = afr();
adw(audio);
end
댓글 수: 5
jibrahim
2022년 9월 6일
You can control the range of the signal you want to play with the ReadRange property:
afr = dsp.AudioFileReader('speech_dft.mp3','PlayCount',Inf,'ReadRange', [start finish]);
Increasing the volume can be done by simply multiplying 'audio' by a constant of your choice.
Regarding the error, in your app, first clear your workspace, then make sure the object afr is only created once (say in setup of your app) and then somply call it in the loop. Do not recreate every time in your loop.
참고 항목
카테고리
Help Center 및 File Exchange에서 Audio I/O and Waveform Generation에 대해 자세히 알아보기
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!