LHD: header keyword + version (version V4.0, March l991)
FIL: file type
TYP: specific file type (eg prompt orthographic, spoken orthographic,
phonemic, prosodic etc)
DBN: database name
VOL: database volume ID
DIR: directory (for the source file)
SRC: source file name
CMT: comment
TXF: name of the textfile (comment on what this is supposed
to contain - namely what was intended to be said, ie prompt
file.txt or nothing (if it is a prompt or free speech label
file then could be left blank) but could be a file containing
instructions)
CMT: comment
SAM: sampling rate
BEG: labelled sequence start position
END: labelled sequence end position
RED: recording date
RET: recording time
REP: recording place
SNB: number of (8-bit) bytes per sample
SBF: sample byte order
SSB: number of significant bits per sample
RCC: recording conditions code (define a set of values, micro
type, position..)
NCH: number of channels
SPI: speaker information: sex, age, native language
PCF: protocol file name (recording protocol used)
PCN: protocol number
CMT: comment
EXP: labelling expert
SYS: labelling system
DAT: date of completion of labelling
SPA: SAMPA version - note 2...and 3.... refer to different levels
CMT: comment
Note that the SAM labelling tool PTS requires all fields to have an entry otherwise it will not open the label file; ``-'' should be entered when the information is not available.