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# Filter - 128-band formant filter, 24dB / oct low-pass and high-pass— MATRIXSYNTH
Spectral analysis of the frequency, amplitude, and formant characteristics of speech sounds has shown a universal pattern of organization of the basic sound repertoire and— CiteULike: Everyone's library
Analyses of correlations between area of mouth opening and acoustic envelopes derived from selected spectral regions of each sentence (corresponding to the wide-band speech, and first, second, and third formant regions) suggested that AV (M) threshold reduction may be determined by the degree of auditory-visual temporal coherence, especially between the area of lip opening and the envelope derived from mid - to high-frequency acoustic energy.— CiteULike: Everyone's library
Singer´s Delay, a unique and wonderful-sounding delay effect driven by a step-sequenced voice formant filter which deepens and enhances your productions, tracks and instruments by adding beauty and athmosphere.— AvaxHome RSS:
It achieves its moving, beautiful and different sound due to its integrated vocal formant filter technology driven by a user-changeable step sequencer.— AvaxHome RSS:

American Heritage Dictionary (1)
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