Consumers would have to choose which one they bought based on their audio equipment at home. Both channels are now in a single groove, so the movement has to be angled at 45 degrees per channel.ĭuring the 60s and 70s, both mono and stereo records were being produced. Stereo grooves have each channel on a separate side of the groove, the inner side is for the left channel and the outer one for the right channel. Mono vinyl grooves move sideways, like a river, resembling audio frequencies. The audio channels are recorded analogously in a spiraling groove in the vinyl material. Modern records are likely stereo, but there are still mono vinyl records out there. Vinyl records can either be mono or stereo.
This is called pseudo or simulated stereo, but I will elaborate on this later. Audio doesn’t necessarily need to be recorded in stereo to be played back as stereo. Most devices you use that produce audio, like your headphones, are likely playing stereo audio. ‘Stereo’ comes from the Greek word ‘stereós’ which means ‘solid’ When played back using properly positioned speakers or headphones it will sound more natural to us humans, because of our bi-auricle biology, when compared to mono audio. The stereo effect uses the 2 channels in audio to create a sense of realism and direction to recorded sounds.
These each of these 2 channels can now be played back using multiple speakers or headphones to create the stereo effect. Recording stereo requires 2 or more microphones, normally at different positions. Stereo audio means sound recorded using 2 audio channels. Other words for ‘mono audio’ are ‘monaural’ and ‘monophonic’ This is why mono audio using headphones can sound unnatural because it is in a way. In nature this is very rare because sound streams would be influenced by positioning, obstacles, airflow, and more. This is because our ears both have their own “channel” which are both combined for our perceived sound.įor example, if you listen to mono audio using headphones you get 2 identical streams of sound into both ears. High-quality mono audio can be perceived as bad because we, as humans, are used to two-channel audio biologically. ‘Mono’ comes from the Greek word ‘monos’ which means ‘alone’ One normal microphone records one audio channel even if it’s recording multiple instruments. Mono audio means sound recorded using a single audio channel. Speakers And Headphones – Mono Or Stereo.
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