The noise that is heard from the surface of a record is the vibration from the stylus riding in the record groove. This is a very simplified explanation of a pretty sophisticated process. When played back, a needle moved through the cut grooves, causing vibrations that resulted in noise approximating the original sound. Sounds (vibrations) moved a needle (aka cutting stylus) on a record, causing cuts or grooves in the record surface. Sound recordings were originally made using the same concept. Old Victrola players, for example, used a needle (aka stylus) that ran through the grooves of a moving record, creating audible sound as the stylus vibrated within the record grooves. And recall that sound is just a series of vibrations. Let’s look into why this occurs.įirst, remember that the record and turntable concepts go back to the turn of the 20 th century. For our purposes, “surface noise” means sound of the recording that is heard directly from the surface of the record as the record is being played. “Surface noise” is also used to refer to the pops and clicks that are sometimes heard while playing a record, but that is not what we’re talking about here. It is commonly referred to as “surface noise” or “needle chatter,” though there is no universally accepted term for the phenomenon. Question: Is it normal to hear soft music coming directly from the surface of a record, even if the record is not playing through speakers?Īnswer: Yes, this is normal.
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