The first time people can play headphones can be divided into two categories: one is to compromise from the speaker system to the earphone system enthusiasts, such enthusiasts often consider the "forced" configuration of headphones / portable audio for the family environment, portable needs, etc. system. These enthusiasts already have a certain fever experience and accumulated knowledge on the speaker system, and have clear concepts and goals for what kind of sound they want. This type of enthusiast is relatively less detoured.
The second type is completely free of conception for HIFI audio. It just wants to upgrade to get a better sound. From the simple desire to "send a good earplug to the mobile phone" or "provide a good earphone for the computer", Gradually enter the new world of HIFI fever. This group of people is an early enthusiast who is really starting from scratch. They will encounter many problems that were previously unimaginable, and are the ones most likely to be misled by some plausible "theories" and malicious speculation.
First, non-negligible basic knowledge learning
As a junior enthusiast who has just been exposed to HIFI headsets, the first thing to do is to search the basics about headphones and audio fever, including:
1. Different structures and driving methods of earphones and earplugs, such as the characteristics of different earphone units such as moving coil, moving iron, static electricity, and flat panel;
2. the principle of headphone amplifier (power amplifier), the advantages and disadvantages of different circuit methods, such as Class A, Class B, balanced amplification, tubes, transistors, etc.;
3. Different types of sound sources and related parameters affecting sound quality, such as traditional CD players, SACD players, pure digital players, USB decoders, differences between analog and digital sources, different formats for high bit rates, and so on.
4. The meaning and test conditions of technical indicators of audio products.