Analog Input:General Properties:Advanced:Data Transfer and Memory:Compression:Raw Data Compression Type Property

DAQmx - Data Acquisition VIs and Functions

Edition Date: January 2019

Part Number: 370469AP-01

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Short Name: AI.RawDataCompressionType

Property of DAQmx Channel

Specifies the type of compression to apply to raw samples returned from the device.

Refer to the DAQmx Professional Tools Web site for more information and examples of raw data compression and streaming to disk.

None (10230) Do not compress samples.
Lossless Packing (12555) Remove unused bits from samples. No resolution is lost.
Lossy LSB Removal (12556) Remove unused bits from samples. Then, if necessary, remove bits from samples until the samples are the size specified with AI.LossyLSBRemoval.CompressedSampSize. This compression type limits resolution to the specified sample size.


The following table lists the characteristics of this property.

Settable while task is runningdevice-specific
Available in Run-Time Engineyes


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