Voice Quality Symbols

This phrase is usually synonymous with phonation in phonetics, but in speech pathology encompasses secondary articulation as well.

VoQS symbols are normally combined with curly braces that span a section of speech, just as with prosody notation in the extended IPA (extIPA).

[2] They indicate an airstream mechanism, phonation or secondary articulation across a stretch of speech.

The airstream mechanism is the process for generating the flow of air required for speech.

The four primary phonation types, other than voiceless, each receive a distinct letter: Modifications are made with diacritics.

For illustration here, diacritics are combined with the letter 'V' for modal voice, as that is the default assumption.