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Decibels (dB): The Only 5 Things You ... - Audio University
https://audiouniversityonline.com/decibels-explained/#:~:text=Digital%20audio%20levels%20are%20negative%20numbers%20%28-12%20dB,3.%29%20A%20Decibel%20is%201%2F10th%20of%20a%20Bel
What Is A Decibel And How Can Negative Decibels Exist ...
https://www.scienceabc.com/pure-sciences/why-negative-decibels-are-a-thing.html
0 dB means that you are right at the threshold of human hearing. A positive dB means that the sound is a few times louder than the threshold, while a negative dB means that you are a few times softer than that threshold. Additionally, 0 dB also depends on the setting/context of the situation.
Why are decibel levels sometimes negative? - Residential ...
https://residential-acoustics.com/decibel-levels-sometimes-negative/
It seems that 0 dB (decibels) should be the minimum noise that a sound can make. How can you achieve a negative sound? If a tree fell in the forest, and people were all around, but it created -10 dB, would anyone hear it?? The answer is not as complex (mathematically) as it may seem, since it is based in historical context.
Why does my Amplifier use Negative dB for Volume? - …
https://www.cablechick.com.au/blog/why-does-my-amplifier-use-negative-db-for-volume/
If a computer starts at 0 and multiplies by 10, the answer is still 0, so the point of reference has to be different for digital audio systems. Some modern knobs may still be marked with numbers, but they'll be 'backwards' compared to the old school devices, with 0 as the loudest setting and 10 or 100 as the softest. 0dB is LOUD
Why does my recorded audio show up with negative dB ...
https://www.quora.com/Why-does-my-recorded-audio-show-up-with-negative-dB-amplitude-on-Audacity-Silence-seems-to-be-at-around-60db
In sort, this references the the 0dB point at 20μPa, which is accepted as the level of human hearing at 1kHz. In all recording, we typically set the zero point at the peak volume, so you’re reading in terms of negative dB below the full-scale point. In the analog domain, there’s no single standard for a volume level at full scale or 0dB, and y
ELI5: What are negative decibels? How can a sound be ...
https://www.reddit.com/r/explainlikeimfive/comments/88wy9d/eli5_what_are_negative_decibels_how_can_a_sound/
You can see we can go further negative as it just ends up as a fraction of the higher decibel value. So when you have a negative decibel, you end up with a fraction of the original level set at 0. In the case of the post, 0 dB can be set to a reference level. For music, this is probably set as the loudest volume a music file can output. -10 dB would be 10 times quieter, -20 dB would be 100 …
How is it possible to have negative decibels? : askscience
https://www.reddit.com/r/askscience/comments/243ucv/how_is_it_possible_to_have_negative_decibels/
We use plenty of equipment and effects (compression) to keep a song level under control and smooth, always under 0db, generally limiting the sound to -0.2db, which is not to say that the song is quiet, actually the opposite, because 0db is actually the loudest threshold in music making.
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