What are distinctive Features? What are landmarks? · Distinctive feature= a binary partition of the phonemes (Jakobson, 1952) that compactly describes pronunciation variability (halle and correlates with distinct acoustic cues(Stevens) Landmark Change in the value of a manner Feature [+sonorant to [sonorant], [-sonorant to [+sonorant 5 manner features: Consonantal, continuant, syllabic, silence] Place and Voicing features: SVMs are only trained at landmarks Primary articulator: lips, tongue blade, or tongue body Features of primary articulator: anterior, strident Features of secondary articulator nasal, voicedWhat are Distinctive Features? What are Landmarks? • Distinctive feature = – a binary partition of the phonemes (Jakobson, 1952) – … that compactly describes pronunciation variability (Halle) – … and correlates with distinct acoustic cues (Stevens) • Landmark = Change in the value of a Manner Feature – [+sonorant] to [–sonorant], [–sonorant] to [+sonorant] – 5 manner features: [consonantal, continuant, syllabic, silence] • Place and Voicing features: SVMs are only trained at landmarks – Primary articulator: lips, tongue blade, or tongue body – Features of primary articulator: anterior, strident – Features of secondary articulator: nasal, voiced