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  2. Psychoacoustics - Wikipedia

    en.wikipedia.org/wiki/Psychoacoustics

    Psychoacoustics is the branch of psychophysics involving the scientific study of the perception of sound by the human auditory system.It is the branch of science studying the psychological responses associated with sound including noise, speech, and music.

  3. Auditory fatigue - Wikipedia

    en.wikipedia.org/wiki/Auditory_fatigue

    As blood temperature rises, TTS increases when paired with high-frequency noise exposure. [12] It is hypothesized that hair cells for high-frequency transduction require a greater oxygen supply than others, and the two simultaneous metabolic processes can deplete any oxygen reserves of the cochlea. [ 27 ]

  4. Critical band - Wikipedia

    en.wikipedia.org/wiki/Critical_band

    As increasing the level makes the low frequency slope shallower, by increasing its amplitude, low frequencies mask high frequencies more than at a lower input level. The auditory filter can reduce the effects of a masker when listening to a signal in background noise using off-frequency listening.

  5. Chalkboard scraping - Wikipedia

    en.wikipedia.org/wiki/Chalkboard_scraping

    Scraping a chalkboard (also known as a blackboard) with one's fingernails produces a sound and feeling which most people find extremely irritating. The basis of the innate reaction to the sound has been studied in the field of psychoacoustics (the branch of psychology concerned with the perception of sound and its physiological effects).

  6. Auditory masking - Wikipedia

    en.wikipedia.org/wiki/Auditory_masking

    The curve is much shallower in the high frequencies than in the low frequencies. This flattening is called upward spread of masking and is why an interfering sound masks high frequency signals much better than low frequency signals. [1] Figure B also shows that as the masker frequency increases, the masking patterns become increasingly compressed.

  7. Neuronal noise - Wikipedia

    en.wikipedia.org/wiki/Neuronal_noise

    Neuronal activity at the microscopic level has a stochastic character, with atomic collisions and agitation, that may be termed "noise." [4] While it isn't clear on what theoretical basis neuronal responses involved in perceptual processes can be segregated into a "neuronal noise" versus a "signal" component, and how such a proposed dichotomy could be corroborated empirically, a number of ...

  8. Noise-induced hearing loss - Wikipedia

    en.wikipedia.org/wiki/Noise-induced_hearing_loss

    The second component is known as "distortion" or "clarity loss" due to selective frequency loss. [8] Consonants, due to their higher frequency, are typically affected first. [7] For example, the sounds "s" and "t" are often difficult to hear for those with hearing loss, affecting clarity of speech. [9] NIHL can affect either one or both ears.

  9. Auditory illusion - Wikipedia

    en.wikipedia.org/wiki/Auditory_illusion

    Hearing a missing fundamental frequency, given other parts of the harmonic series; Various psychoacoustic tricks of lossy audio compression; McGurk effect; Octave illusion/Deutsch's high–low illusion; Auditory pareidolia: hearing indistinct voices in random noise. The Shepard–Risset tone or scale, and the Deutsch tritone paradox; Speech-to ...