Sound playback

Hello

I'm ringing playback from a dataset in tiara.  Given my layout view tiara which consists of two video windows synchronized to a curved 2d graphics, I see that the sound icon is disabled.  The data loaded into the graph of 2d consists of 8 data channels of analog waveform at a sampling rate of 40 kHz.  I am also unable to read one of the analog channels in the data portal overview.  If I load a .wav file, I am able to read the data through data very well Portal preview.

Are there specific rules on the use of audio playback?  My analog data sampling rate should match its supported card rates, or can I configure Diadem to do internal resampling?  I see only limited audio playback notes in the documentation so any help is appreciated.

Thanks in advance!

Hi Resaebiunne,

Please make sure that the Channel.wf_xunit_string property is set to "s".  You can edit it directly in the table property Data Portal, where it is called "X-unity of waveform.

Brad Turpin

Tiara Product Support Engineer

National Instruments

Tags: NI Software

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