It contains informationĪbout the item size, data type, if it's complex, the sample rate of A metadata file always starts with a header thatĭescribes the basic structure of the data. The header structure is described in detail in Metadata files have headers that carry information about a segment ofĭata within the file. We write metadata files using gr::blocks::file_meta_sink and read metadataįiles using gr::blocks::file_meta_source. Not conveyed with the data in the file itself.
The system state such as a receiver's sample rate or frequency are
No extra information and must be handled delicately. Metadata files have extra information in the form of headers thatĬarry metadata about the samples in the file.
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