Contents
- 1 What is the source-filter theory of speech production quizlet?
- 2 What does the source filter theory state?
- 3 What is the filter in the source and filter theory of speech production?
- 4 What alters the filter in speech production quizlet?
- 5 What alters the filter in speech production?
- 6 How is the vocal tract a filter?
- 7 Where does the filtering of the source spectrum take place?
- 8 How are the formants of the vocal tract act as filters?
What is the source-filter theory of speech production quizlet?
What is the source-filter theory of speech production? energy from the sound source (vocal folds) is modified by the resonance characteristics of the filter (vocal tract)
What does the source filter theory state?
The source–filter theory states that vocal signals result from a two-stage production, with the glottal wave generated in the larynx (the source), being subsequently filtered in the supralaryngeal vocal tract (the filter).
What is the source and what is the filter for human speech?
In human speech production, the sound source is the vocal folds, which can produce a periodic sound when constricted or an aperiodic (white noise) sound when relaxed. The filter is the rest of the vocal tract, which can change shape through manipulation of the pharynx, mouth, and nasal cavity.
Who developed the source-filter theory of speech production?
Johannes Müller
This model is often referred to as the “source-filter theory of speech production” and stems from the experiments of Johannes Müller (1848) in which a functional theory of phonation was tested by blowing air through larynges excised from human cadavers.
What is the filter in the source and filter theory of speech production?
Source-Filter Theory of Speech Production The source-filter theory describes speech production as a two stage process involving the generation of a sound source, with its own spectral shape and spectral fine structure, which is then shaped or filtered by the resonant properties of the vocal tract.
What alters the filter in speech production quizlet?
The vocal tract filter is an open/closed tube. Changes in the length and shape of the vocal tract tube alter the resonant frequencies, resulting in production of different speech sounds. Filter. You just studied 60 terms!
What is the source filter theory of phonation?
Human beings are able to more or less independently control phonation (source) with the larynx and articulation (filter) with the vocal tract. When the vocal-tract configuration changes, the resonance characteristics also change, and the vowel quality of the output sound changes. …
What is glottal source?
The voice source or glottal source is the volume velocity waveform that serves as the excitation of speech produced by the vocal folds. The air pressure below the closed vocal folds (subglottal pressure) forces the vocal folds to open, which allows airflow to pass through the glottis.
What alters the filter in speech production?
How is the vocal tract a filter?
The vocal tract acts as a filter, modifying the source waveform.” An acoustic filter is a device which passes certain frequencies and attenuates others. ” An important characteristic of a filter is its transfer function – the ratio of the output to the input depending on frequency.”
How does the source filter theory of speech work?
The source-filter theory describes speech production as a two stage process involving the generation of a sound source, with its own spectral shape and spectral fine structure, which is then shaped or filtered by the resonant properties of the vocal tract.
Can the source-filter theory account for consonant production?
Can the source-filter theory account for consonant production? The sound source for fricatives is turbulent noise produced by airflow through a tight constriction. The filter is the oral cavity, specifically the area in front of the constriction.
Where does the filtering of the source spectrum take place?
Most of the filtering of a source spectrum is carried out by that part of the vocal tract anterior to the sound source. In the case of a glottal source, the filter is the entire supra-glottal vocal tract.
How are the formants of the vocal tract act as filters?
The formants act as band-pass filters. Changes in the length and shape of the vocal tract tube alter the resonant frequencies, resulting in production of different speech sounds. Energy from the sound source (vocal folds) is modified by the resonance characteristics of the filter (vocal tract).