His synchronous with Visual

Hello

I develop a VI that advises the user of breathing. Guidance is provided using sound and Visual. I am not really able to understand audio instructions and have put in place the rest of the algorithm. Let me show you how it goes-

The VI calcualtes, what rate of respiration to the guide to and a horizontal bar fills (0 to 100%) and throws himself to mean breathing in and out. eg - if the rate of breathign is 10 breaths per minute = each breath lasts 6 seconds = 3 seconds used breathing in and 3 seconds passed out (assuming that 1:1 ratio (, which is a control and modified by the operator).

I now want to incorporate audio feedback for the user who wants to close your eyes to relax. I have 2 .wav files to breathe and exhale and try to play these files for the duration of the rhythm of breathing - for example to play file 1.wav 3 seconds and file2.wav for 3 seconds and then place 1 and so on.

Over time, the respiratory rate decreases and increases length of time played.

I'm not quite understand this.

I would appreciate if someone can point to ideas / provide code brief sample to use as inputs.

An example of audio file attached.

The Sound Stop.vi of output must immediately stop playback.  You can use a structure of the event or any other structure for synchronization call when you need it.  You will not be able to use the simple play sound File.vi.  You need read the data of the audio file using the file its screws, then use the screw output sound to play.  See the example LabVIEW files for how to do this.

Tags: NI Software

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