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What is DCAM/IIDC?



Primary Software:
Primary Software Version: 1.0
Primary Software Fixed Version: N/A
Secondary Software: Driver Software>>NI-IMAQ for IEEE-1394

Problem:
What is DCAM and IIDC?

Solution:
DCAM (1394-based Digital Camera Specification) is a digital camera interface standard that defines the protocol for exchanging video data with IEEE 1394 cameras. This standard was initiated by the IIDC (Instrumentation & Industrial Digital Camera) workgroup of the 1394 Trade Association. It describes the sending of uncompressed video streams on the asynchronous channel of the IEEE 1394 bus.  DCAM also defines camera parameterization to provide a standard by which different software applications can access and modify camera parameters and manufacturer-defined video formats. Audio data transmission is not specified by this standard.

Firewire cameras must be compliant with the DCAM specification to work with the NI-IMAQ for IEEE 1394 and NI-IMAQdx drivers. Most camera manufacturers specify DCAM compliancy in their camera documentation (manual or specifications list). It is important to note that not all Firewire cameras are fully DCAM compliant.

For more detailed information on DCAM, please refer to the DCAM Specification for Firewire Cameras section of the Developer Zone tutorial: Acquiring from Firewire Cameras with National Instruments NI-IMAQdx and Legacy NI-IMAQ for IEEE 1394.

Related Links:
Developer Zone Tutorial: Acquiring from Firewire Cameras with National Instruments NI-IMAQdx and Legacy NI-IMAQ for IEEE 1394
External Link: The Imaging Source: DCAM/IIDC

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Report Date: 03/26/2008
Last Updated: 05/03/2012
Document ID: 4JPHA43R

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