Summary of English Phonetics and Phonology
English Phonetics and Phonology: A Student's Comprehensive Guide
Introduction
Segmental phonetics applied to consonants studies the articulatory movements and auditory properties that distinguish consonantal sounds. This material focuses on teaching strategies and practical principles for perceiving and producing difficult consonants for speakers of various languages, with an emphasis on perceptual activities, articulatory instructions, and the organization of consonant clusters.
Definition: Consonants are speech sounds that involve some degree of closure or narrowing in the vocal tract, which obstructs the airflow, producing noise or a blockage of air.
1. Perception and Discrimination Exercises
1.1. Objective
To help students recognize essential features that distinguish minimal pairs and avoid confusion with non-native sounds.
1.2. Strategies
- Present contrastive sets, first explaining the key feature (e.g., aspiration in initial plosives).
- Mix native examples with similar but non-native sounds so students can identify which belongs to the target model.
Definition: Aspiration is the intense burst of air that follows the release of a plosive occlusion and can be perceived as a brief puff of air.
1.3. Practical Example
- Show pairs: /p/ aspirated vs. [p] unaspirated strong. Students mark which one sounds like the target variety.
2. Articulatory Guidance for Production
2.1. General Approach
When auditory distinction is difficult, combining discrimination exercises with direct articulatory instructions is often effective. It's frequently easier to teach associated factors (e.g., vowel duration, frication) than direct vocal cord activity.
2.2. Techniques for Difficult Features
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Voiced vs. Voiceless: emphasize associated cues
- Shorten vowels and approximants before voiceless consonants.
- Point out greater frication in voiceless fricatives.
- For voiceless plosives in stressed positions, use the flame test or feel for a puff of air on the hand to practice aspiration.
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Labiodentals /f, v/: place upper teeth on the lower lip and blow (for /f/) or vibrate the vocal cords (for /v/).
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Dentals /θ, ð/: suggest the student place the tip of the tongue between the teeth to feel the position, although in some standard varieties the tip barely touches the back of the upper teeth.
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Alveolars /s, z/: place the tip or blade of the tongue just behind the alveolar ridge on its lower surface.
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Glottal fricative /h/: instruct to place the tongue in the position of the following vowel and blow gently.
2.3. Modifying Starting Points
- For /r/ (tongue-curled realization): start from a vowel like [ə] or [ɜː] and then curl the tip towards the palate.
- For /ʃ, ʒ/: start from /s, z/ and retract the tongue backward to increase the palatal cavity.
- For /j, w/: use the long front and back vowels $[i]$, $[u]$ and shorten them to obtain the approximants.
- For /tʃ, dʒ/: start with /tj, dj/ sequences pronounced quickly.
Definition: An approximant is a sound in which the articulators approach each other closely enough to modify the airflow but without forming a complete occlusion or intense frication.
2.4. Special Case: /r/ vs /l/
- First, conduct auditory discrimination (listening) exercises. If these fail, provide articulatory instructions:
- /l/: tip of the tongue pressed firmly against the alveolar ridge.
- /r/: tip of the tongue curled backward (the exact amount of curling is not critical in initial stages).
3. Variation and Realization of Approximants
3.1. Realization of /l/
- There is wide variation: clear [l] (more anterior) or dark [ɫ] (with velarization). Both are acceptable in dif
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Segmental Phonetics: Consonants
Klíčové pojmy: Incorporate discrimination exercises before production practice., Explain aspiration and use the flame or hand test for plosives., Teach factors associated with voicing: duration and friction., Provide clear articulatory instructions for /f, v, θ, ð, s, z/., Begin /r/ production from vowels and curl the tongue., Allow for either clear or dark [l]; avoid pre-vocalic vocalization., Practice consonant cluster sequences to prevent reduction and epenthesis., Avoid using [ʋ] for /w/ to prevent confusion., Utilize mirrors and chain repetition for production practice., Prioritize auditory perception for challenging distinctions., Work with minimal pairs and phrases to solidify discrimination skills., Correct the omission of /t,d/ in word-final positions.