The wireless microphone is converted from sound into a signal, and then modulated into high-frequency radio waves transmitted, and then received back to demodulate, amplify, and reduce to sound This whole process, there are many links, a link did not noti...

What is an audio cable?Generally the line used on Line In and Line Out, it passes through a small current and low power signal, and the impedance is high, easy to be disturbed, so it is generally a shielded line, but the line is generally relatively thin....

Brief analysis of sound strategy (1)There are various problems with the audio system, don't rush to send it for repair, first see if some of the audio system maintenance tips introduced here are useful.One. Acoustic music is silentTake a wired mic...

Summary:The basic concepts, types and directivity of array sound columns are introduced, and four typical directional characteristics of natural directivity, omnidirectional nature, constant directivity and adjustable and controllable directivity are anal...

In the audio and video system, the signal transmission between the devices needs to be connected, and the connection cable (audio cable) and interface are required, which occupies a very important role in the entire audio and video system.First, the requi...