Write and play audio file
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Hi everyone I have some data and i am creating the audio file of that data using audiowrite command with the sampling frequency of 256 Hz.but when i try to play back the same audio file again it starts giving error of invalid sample rate. Will anyone please help how to resolve this issue Thanks
3 个评论
Kevin Chng
2018-9-11
Hi John Hock,
You may refer to the link below to check what is the minimum Hz can be play in your system or copy the code to test your system.
foo = rand(1,1000);
for r = 80:8000; try sound(foo,r); fprintf('\nOk at %d!\n', r); break; catch ME; if mod(r,100)==0; fprintf('%d...', r); end; end; end
In my system, it allow 1000 minimum to play audio.
You may refer the discussion below in stockoverflow
John Hock
2018-9-12
Walter Roberson
2018-9-12
resample(YourSignal, 4, 1)
is the easiest approach.
回答（1 个）
Kevin Chng
2018-9-14
Hi John Hock,
You may refer to the link below to check what is the minimum Hz can be play in your system or copy the code to test your system.
foo = rand(1,1000);
for r = 80:8000; try sound(foo,r); fprintf('\nOk at %d!\n', r); break; catch ME; if mod(r,100)==0; fprintf('%d...', r); end; end; end
In my system, it allow 1000 minimum to play audio.
You may refer the discussion below in stockoverflow
How to resample your data?
Answer from Walter Roberson,
resample(YourSignal, 4, 1)
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2018-9-14
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