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Can you make matlab do a beep every 5 seconds?

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André Magrinho
André Magrinho 2016-1-4
回答： Jan 2016-1-4
I'm making a chronometer on Matlab and i'd like it to beep every 5 seconds so the user knew that 5 seconds have passed.. Is there a way to make it ? Thanks !

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Jan
Jan 2016-1-4
This is a job for the timer:
TimerH = timer('Period', 5, 'ExecutionMode', 'fixedRate', ...
'Callback', @TimerCallback);
start(TimerH);
function TimerCallback(TimerH, EventData)
beep;

更多回答（1 个）

goerk
goerk 2016-1-4
i=0;
load gong.mat;
while i<1 %endless loop
sound(y);
pause(5);
end
It is also possible to use the 'beep' command instead of the gong (stored in y). Maybe it is more accurate if you use the the 'clock' function (then there is no drift dependent to the execution time).
load gong.mat;
while true %endless loop
sound(y);
lastTime = clock;
while etime(clock, lastTime) < 5
pause(0.01);
end
end

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