According to the WHO, about half of the world's young people are using a mobile phone and other devices to listen to music at a higher volume than safe

At present, the type of consumer content on mobile terminals is rapidly changing, and consumers can do more than listen to audio.

In nature, the pronunciation of each object or instrument has its dynamic range, so to reproduce these sounds with high fidelity;

In the field of audio compression, there are two compression methods, lossy compression and lossless compression. Commonly known MP3, WMA, and OGG are called lossy compression.

Stereo recording is the process of recording multiple track soundtracks during film production.

First of all, we must pay attention not to touch the diaphragm of the microphone and speaker to prevent it from being deformed, affecting the playback of the sound and the service life of the devic...