At first acoustics attributed to the different sounds only a limited number of characteristic features.

The poetic function is the set towards the message itself, focus on the message for its own sake which by promoting the palpability of signs, deepens the fundamental dichotomy of signs and objects.

When I speak it is in order to be heard.

It is once again the vexing problem of identity within variety; without a solution to this disturbing problem there can be no system, no classification.

Acoustic phonetics, which is developing and increasing in richness very rapidly, already enables us to solve many of the mysteries of sound, mysteries which motor phonetics could not even begin to solve.

Every linguistic sign is located on two axes: the axis of simultaneity and that of succession.

The search for the symbolic value of phonemes, each taken as a whole, runs the risk of giving rise to ambiguous and trivial interpretations because phonemes are complex entities, bundles of different distinctive features.