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Block diagram of the signal-flow for a common feedback loop [1]: 118 . Audio feedback (also known as acoustic feedback, simply as feedback) is a positive feedback situation that may occur when an acoustic path exists between an audio output (for example, a loudspeaker) and its audio input (for example, a microphone or guitar pickup).
Spill occurs when sound is detected by a microphone not intended to pick it up (for example, the vocals being detected by the microphone for the guitar). [3] Spill is often undesirable in popular music recording, [4] as the combined signals during the mix process can cause phase cancellation and may cause difficulty in processing individual tracks. [2]
For playback, a digital-to-analog converter (DAC) performs the reverse process, converting a digital signal back into an analog signal, which is then sent through an audio power amplifier and ultimately to a loudspeaker. Digital audio systems may include compression, storage, processing, and transmission components. Conversion to a digital ...
Before analog sound recording was invented, most music was as a live performance. Throughout the medieval, Renaissance, Baroque, Classical, and through much of the Romantic music era, the main way that songs and instrumental pieces were recorded was through music notation. While notation indicates the pitches of the melody and their rhythm many ...
At low frequencies, the outer ear pathway is negligible when the ear canal is open but dominates when it is occluded. The occlusion effect is thus objectively characterized by an acoustic pressure increase in the occluded ear canal at low frequencies and which can be measured with a probe-tube microphone. [1]
Using space to manipulate a sound and then re-recording it has been done through the use of echo chambers in recording studios for many years. In 1959, an echo chamber was famously used by Irving Townsend during the post-production process of Miles Davis's 1959 album Kind of Blue. "[the effect of the echo chamber on Kind of Blue is] just a bit ...
It was discovered that special effects were possible, such as phasing and flanging, delays and echo by re-directing the signal through one or more additional tape machines, while recording the composite result to another. These innovations appeared on pop recordings shortly after multi-tracking recorders were introduced, although, Les Paul had ...
Walkman II player from 1982. The Walkman effect is the way music listened to via headphones grants the listener more control over their environment. The term was coined by Shuhei Hosokawa, a professor at the International Research Center for Japanese Studies, in an article published in Popular Music in 1984. [1]