noise
Unpleasant sounds are typically loud, sharp, high-pitched noises that can cause discomfort, irritation, or pain to the ears. Examples include nails on a chalkboard, alarms, sirens, or screeching brakes. These sounds can trigger a physical response such as covering one's ears or experiencing heightened stress or anxiety.
Examples of pleasant emotions include joy, love, and gratitude. Examples of unpleasant emotions include anger, sadness, and fear.
An unpleasant sound could be called any number of things, including annoying.
Farts
Pleasant sounds are nice to hear and unpleasant sounds are not nice to hear.
Up the urethra (its not as unpleasant as it sounds).
Pleasant sounds are generally produced by sine waves or harmonic sounds that are smooth and consistent, such as those from musical instruments. Unpleasant sounds can be generated by irregular, noisy waves like square waves or sawtooth waves, which can sound harsh or grating to the human ear.
Pleasant sounds tend to have harmonious frequencies, clear tones, and lower decibel levels, while unpleasant sounds may have dissonant frequencies, irregular patterns, and higher decibel levels. Additionally, individual preferences and cultural influences can also play a role in determining whether a sound is perceived as pleasant or unpleasant.
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Pleasant sounds are those which make us feel happy, comfortable, or evoke positive emotions:ocean wavesmusic (different types, depending on the individual's taste)babbling brookfireplace cracklingchildren's laughterUnpleasant sounds are those which make us cringe, plug our ears, or evoke negative emotions. Examples:cryingdrilling/constructiontraffic/honkingsomething that might be startling, such as thunder, a glass breaking, or a sirenfireworks
An unpleasant sound for humans could be fingernails on a chalkboard, a loud screeching noise, or a baby crying. These sounds can trigger a physical and emotional response that is discomforting to most people.