Device model type from header

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surathmukherjee
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Device model type from header

Post by surathmukherjee » Mon Aug 26, 2013 6:13 am

Is there any information stored in header (as device id or at any form) signifying the device model type.
Through that information we should be able to know the device( Olympus or Philips etc) model type any filetypes like wav, dss, ds2 etc.
Please shed light.


regards,
Surath

James Heinrich
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Re: Device model type from header

Post by James Heinrich » Mon Aug 26, 2013 11:21 am

Not usually. There are a few formats that have an "encoded by" type field, which may be used to list either software or hardware used for the encoding, but these usually don't necessarily refer to the original capture hardware, more likely the software used to encode the compressed file. I've seen Nikon digital camera video (inside Quicktime container) tagged with the camera model used for capture, but then a similar camera from Canon does not generate similar tags. DSS files do have a field for "hardware", which contains a short model string such as "DS2400" (which you can extrapolate probably refers to the Olympus DS-2400). Digital cameras will usually record the hardware information in still pictures in the EXIF:IFD0 field.

So, in summary:
* most formats: nothing
* few formats: unreliable data
* very few formats: probably-reliable data

surathmukherjee
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Re: Device model type from header

Post by surathmukherjee » Mon Aug 26, 2013 11:42 am

Thank you Sir for the informations.


regards,
Surath.

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