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append acquired waveform according to timestamp

Hello, 

 

   I'd like to acquire a continuous signal every second and reconstruct the 6 passed acquirsitions according to their timestamp, just as the first attachment realized by generator.

   However, when it come to sound acquisition, problem comes:

   1. Is that possible to save the acquisition data in buffer more than one second so that the data can be concatenated without any gap in time? So far the best I can do is to save 0,95 sec of data in buffer and leave 0.5 sec for waveform to append and display.   

   2. If it is not possible, can the waveforms be constructed in the right time? That is, the waveforms are concatenated according to its t0, when there is any time gap, just padding some zeros. The append waveform vi seems to neglect the t0 and append waveforms directly.

   There are also some little annoying things:

   0.95 sec/acquirsition x 6 append times = 5.70 sec, why the overall wavelength is always around 4.27 sec? 

 

Thanks very very much in advance! 

  

      Carol 

 

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