| Usage: | S = WFDB_Siginfo(N); | |
| Input: | N: number of Siginfo structures to be created (number of signals to be written) | |
| Output: | S: Siginfo structure(s) |
Use this function to create Siginfo structures to be passed as input to WFDB_osigfopen. Siginfo structures have twelve fields:
| fname | string | the name of the signal file (may be shared among consecutively numbered signals); default: record.dat | |
| desc | string | description of the signal (e.g., `ABP', `Resp'); default: `Signal 0', `Signal 1', ... | |
| units | string | physical units of the signal (e.g., `mmHg', `%'); default: 'mV' | |
| gain | real | number of A/D units per physical unit; default: 200 | |
| initval | integer | value of sample 0, in ADC units; default: 0 | |
| group | integer | group number (all signals sharing a signal file belong to the same group); default: 0 | |
| fmt | integer | storage format (one of those defined in WFDB_FMT_LIST, in <wfdb/wfdb.h>); default: 16 | |
| spf | integer | samples per frame; default: 1 | |
| bsize | integer | bytes per block (for use with tape and other block-structured storage media; 0 for ordinary files); default: 0 | |
| adcres | integer | ADC resolution in bits; default: 12 | |
| adczero | integer | sample value corresponding to the middle of the ADC range; default: 0 | |
| baseline | real | (possibly fictitious) sample value corresponding to an input of 0 in physical units; default: 0 |
The default values indicated above are filled in by WFDB_Siginfo. Any changes to these values must be made before invoking WFDB_osigfopen; later changes have no effect.