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| frequency [2023/11/14 23:59] – renick | frequency [2023/11/15 23:29] (current) – renick | ||
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| ===== introduction ===== | ===== introduction ===== | ||
| - | In addition to amplitude, frequency is one of the fundamental aspects of sound. Amplitude is the strength of the air pressure waves, and frequency is how frequently those waves occur. | + | In addition to amplitude, frequency is one of the fundamental aspects of sound. Amplitude is the strength of the air pressure waves, and frequency is how frequently those waves occur. |
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| + | One of the most fundamental facts about frequency to remember is that humans can hear 20-20000 Hz. Then you need develop familiarity with which types of sounds exist within which frequency range. | ||
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| + | It is also important to remember that sounds do not exist as a single frequency but are constituted by a collection of frequencies. | ||
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| + | Make sure to watch the last video! | ||
| ===== text ===== | ===== text ===== | ||
| - | The difference between frequency and pitch: | + | The difference between frequency and pitch: |
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| + | National Library of Medicine: The Audible Spectrum https:// | ||
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| + | Wikipedia article on hearing range: https:// | ||
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| + | "The Difference Between High-, Middle- and Low-Frequency Noise" (with notes on sound-proofing): | ||
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| + | "A Look at Audio Frequency Range and Audio Components" | ||
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| + | about spectrographs: | ||
| ===== video ===== | ===== video ===== | ||
| + | frequency and pitch: https:// | ||
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| + | frequency and pitch including a simple explanation of how changing pitch of recorded sounds works: https:// | ||
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| + | the audio spectrum (essential!) https:// | ||