Audio refers to a set of audio system which is composed of electrical equipment to produce sound.
The sound system includes:
Sound source equipment: (e.g. DVD, CD, MP3, MP4, computer, mobile phone, microphone, etc.)
2. Audio Signal Dynamic Processing Equipment (Audio Signal Processing Equipment such as Pressure Limiter, Effector, Mixer, Audio Processor, Equalizer, etc.)
3. Audio signal amplifier equipment (analog power amplifier, digital power amplifier, etc.)
4. Sound reduction equipment (full-frequency speaker, ceiling horn, sound column, linear array speaker, array speaker, tweeter, subwoofer, etc.). The development history of technology can be divided into four stages: electron tube, transistor, integrated circuit and field effect transistor.
Sound is a simplified everyday word, which is the abbreviation of sound system. It refers to a set of devices that can restore audio signals.
With the progress of society, people yearn for more colorful life. As a form of entertainment that has been circulating for thousands of years, singing and dancing have penetrated into the lives of people of all nationalities. However, with the development and progress of science and technology, people are demanding more and more forms and venues of singing and dancing. Audio system is improving and perfecting with people's needs. To meet the needs of tens of thousands of concerts live sound reinforcement, to meet the needs of individual families to play musical instruments, K songs.