specifier modifier spectral analysis [Lat. spectrum ‘image’]

Process in acoustic phonetics for determining the acoustic features of speech sounds by means of electrical instruments ( spectrograph).

References

phonetics

Product of a spectral analysis that graphically represents the acoustic features of sounds such as amplitude, quantity, frequency. ( also spectrograph, visible speech)

Machine with electric filters that acoustically analyzes (speech) sounds for their frequency, intensity, and quantity. The result can be read as varying degrees of dark lines on special light sensitive paper. ( also spectrogram, visible speech)

Authors of the medieval treatises on the modi significandi, i.e. on the semantic and deictic functions of words and word classes. The most famous of these writers was Thomas of Erfurt, with his extensively transmitted work Grammatica speculativa (approx. 1300). In the classical tradition of Aristotle, the speculative grammarians attempted to correlate words and word classes with logical, extralinguistic criteria such as

has had a lasting influence on the systematicity of traditional grammar.