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This figure shows the schematic representation of the first four formants (F1, F2, F3, and F4) for static-onset stimuli. The four formants contain ten stimulus values and each set of ten values represent the formants from low (F1) to high (F4). S1 and S10 are the [i] and [a] endpoints, respectively. See the Appendix for detailed F1–F4 stimulus values.
