signaal, milles andmeid esitav tunnussuurus võib igal hetkel omandada suvalise väärtuse mingist pidevast vahemikust. Näiteks võib analoogsignaal pidevalt järgida mingi teise andmeid esitava füüsikalise suuruse väärtusi.
a signal in which the characteristic quantity representing information may assume, at any instant, any value in a continuous interval. The most obvious example is the representation of sound waves in electrical form as an audio signal which directly corresponds in frequency to the sound waves that it represents.
A magnetic floppy disk on which an analogue (waveform) signal has been recorded during manufacture, solely for the purpose of checking the quality of the disk's magnetic coating. ... As the analogue signal in question cannot serve any purpose after manufacture, such a signal cannot be considered as a recording within the meaning of heading 8524.