Since the AHA DB is not available in the standard PhysioBank format used by all of the other databases, the WFDB Software Package includes a pair of programs that convert files read from AHA DB distribution tapes or floppy disks into files in PhysioBank format. a2m converts AHA annotation files, and ad2m converts AHA signal files and also generates header (*.hea) files. (Run these programs without command-line arguments to obtain instructions on their use.) Using a2m and ad2m, all 80 AHA DB records can be stored in roughly 130 Mb of disk space (assuming use of the standard 35-minute records). These programs can also reformat old (pre-1989) MIT DB tapes written in the AHA DB distribution format.
It is also possible to read and write AHA tape-format files directly using the WFDB library; refer to the WFDB Programmer's Guide for details.
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Updated 8 March 2019