air pressure amplitude. Your ears and brain detect and decipher those changes in pressure as sound. If you chart the amplitude over time, you end up with something like the waveform pictured above. The larger the amplitude, the louder the sound. The faster the changes, the higher the pitch...
A compressor reduces the amplitude (volume) of those peaks, which makes the soft parts seem louder. It reduces the dynamic range between the loudest sounds and the quietest sounds, thus “compressing” the signal from both the top and the bottom. That’s all well and good, but what does...
known as an amplifier, which enhances the amplitude of the signals that it received from the mic. These ‘amplified’ signals are then sent to the speakers (audio output), where electrical signals are converted into sound and subsequently discharged to the audience. ...
Loudness is not related to wavelength. Nails on a chalkboard may seem louder than a person humming at the same volume, but they are not — the loudness is caused purely by the strength of the soundwave, otherwise known as its amplitude. Imagine this scenario: ...
and why AAC is much more forgiving of low frequencies. The noise content is very different from that added by MP3: it sounds more obvious and perhaps louder than in the MP3 version, but this is an illusion caused by the see-saw effect of the amplitude of the musical content removed being...
A very fast recovery time, on the other hand, produces an aggressively 'bouncy' or 'pumpy' signal, and those rapid gain changes are perceived as being very loud. A heavily compressed signal with a fast recovery time will always sound louder than the same signal with a slow recovery time ...
sound. Unlike a grand the sound tends to direct straight to the players ears. If the room acoustics and the tone of the piano are bad it can be quite inbearable to play anything forte. My piano sounds much louder to me than either of my teacher's grands when I play in a normal ...
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