{"id":645,"date":"2019-09-28T22:41:53","date_gmt":"2019-09-28T22:41:53","guid":{"rendered":"http:\/\/mp4gain.com\/mp4gain\/?p=645"},"modified":"2019-09-28T22:41:53","modified_gmt":"2019-09-28T22:41:53","slug":"analog-sound","status":"publish","type":"post","link":"https:\/\/mp4gain.com\/mp4gain\/analog-sound\/","title":{"rendered":"Analog Sound"},"content":{"rendered":"

Analogous means similar, that is, the electrical current that passes through a circuit, such as an audio amplifier or mixing console, varies similarly to the variations in air pressure that sound represents.<\/p>\n

\"codecs\"<\/a><\/p>\n

In the case of a vinyl record, the groove shape is similar to the sound waveform.<\/p>\n

When the sound presses the membrane of a microphone it produces an alternating electric current (which permanently changes polarity or direction of movement through the conductor or cable). If we plot the sound pressure variations as a function of time it will give a curve similar to the one we get if we plot the alternating current variations. In turn, the speaker that reproduces the sound will move forward or backward following that graph.<\/p>\n

In an analog audio system there are no calculations or more processes than simply converting a mechanical energy (sound waves) to electrical energy and vice versa.<\/p>\n

In an analog mixing console, the sound undergoes simple processes by crossing circuits that attenuate or amplify it, at most according to each frequency (equalizers or filters), delay it, add it to other sounds, etc.<\/p>\n

The old analog synthesizers were called in this way because the resulting sound followed the voltage variations of electronic oscillators or combinations thereof.<\/p>\n

\"AC3<\/a><\/p>\n

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