The weak signal of the microphone enters the front stage of the power amplifier for amplification and rendering, and then sends it to the subsequent stage for amplification, and then outputs the signal current to the voice coil of the speaker. The current strong and weak voice coil produces different vibration amplitudes, and the vibration then shakes the paper cone of the speaker. sound.
Ordinary (speaker) sound generation principle
Dielectric resonance hybrid sound, the sound principle, adopts vibrator vibration sound + paper tympanic horn sound, we who often use speakers know that, in addition to professional audio, ordinary ordinary audio bass is not enough, and the bass is good. The size of the dots is generally not small. This is mainly because the speakers that use speakers to produce sound are greatly affected by the size of the sound unit body. Therefore, many multimedia speakers directly use a subwoofer and external speakers to fully expand the volume range of the sound unit body. There is a big limitation on the shape of the audio speakers, which is why the speakers we see on the market are generally square and angular, and the bass effect is not very good.
Audio equipment probably includes power amplifiers, peripheral equipment (including compressors, effects, equalizers, exciters, etc.), speakers (speakers, speakers), mixers, sound sources (such as microphones, musical instruments, VCD, DVD) display devices And so on, add up to one set. Among them, speakers are sound output devices, speakers, subwoofers, etc. A speaker includes three types of speakers, high, low, and medium, but not necessarily three.
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