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  2. Formant - Wikipedia

    en.wikipedia.org/wiki/Formant

    The formant with the lowest frequency is called F 1, the second F 2, the third F 3, and so forth. The fundamental frequency or pitch of the voice is sometimes referred to as F 0 , but it is not a formant.

  3. Fundamental frequency - Wikipedia

    en.wikipedia.org/wiki/Fundamental_frequency

    The fundamental frequency, often referred to simply as the fundamental (abbreviated as f 0 or f 1), is defined as the lowest frequency of a periodic waveform. [1] In music, the fundamental is the musical pitch of a note that is perceived as the lowest partial present.

  4. Vowel diagram - Wikipedia

    en.wikipedia.org/wiki/Vowel_diagram

    Spectral properties are the speech sound's fundamental frequency and its formants. Each vowel in the vowel diagram has a unique first and second formant, or F1 and F2. The frequency of the first formant refers to the width of the pharyngeal cavity and the position of the tongue on a vertical axis and ranges from open to close.

  5. Scale of vowels - Wikipedia

    en.wikipedia.org/wiki/Scale_of_vowels

    A scale used for poetry in American English lists the vowels by the frequency of the second formant (the higher of the two overtones that define a vowel sound). Starting with the highest, Starting with the highest,

  6. IDT Announces World's Lowest Jitter MEMS Oscillators With ...

    www.aol.com/news/2013-03-26-idt-announces-worlds...

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  7. Timbre - Wikipedia

    en.wikipedia.org/wiki/Timbre

    The lowest frequency is called the fundamental frequency, and the pitch it produces is used to name the note, but the fundamental frequency is not always the dominant frequency. The dominant frequency is the frequency that is most heard, and it is always a multiple of the fundamental frequency.

  8. Scientists Say Walking This Much Could Add 11 Years to Your Life

    www.aol.com/scientists-walking-much-could-add...

    However, being in the lowest 25% of activity was associated with a decrease in life expectancy of around six years. Still, if these less-active individuals logged an additional 111 minutes of ...

  9. 37 photos of the weirdest and most unique McDonald's ... - AOL

    www.aol.com/37-photos-weirdest-most-unique...

    Some signs also advertised the low price of McDonald's hamburgers — just 15 cents at the time. This McDonald's restaurant in Hangzhou, China, is located inside a historic villa that once housed ...