01, APTX lossless transmission
In layman's terms
High fidelity is to measure a certain sound system
Can the concert hall and other scenes
Really reproduced in your playback system
Some headsets use aptX lossless transmission technology
Can transfer music in higher definition
And can keep listening to music in the concert hall
Realism and presence
02. High-fidelity sound characteristics
Good balance
The tone is never too bright or too dark
High, medium and low frequency energy distribution is even
Naturally smooth integration between frequency bands
No bumps and glitches
Have good sound field description ability
The sound field is wide, and the positioning of the instrument is accurate and stable
Sufficient information in the sound field
No hollow feeling
Dynamic without obvious compression
Has a good sense of speed
No distortion or little distortion at high volume
03. How to judge whether it is high fidelity
Objective test judgment
HIFI signal to noise ratio is greater than 100db
Harmonic distortion is less than 1%
Impedance below 50 ohms
Subjective auditory judgment
Restore with high fidelity
No gorgeous sound
Unmodified sound
We are accustomed to modified sounds
As long as you hear the original sound
It can be preliminarily judged that it is a high-fidelity headset
04. Distinguish whether high-fidelity headphones
More expensive than ordinary headphones, this is the difference
Of course, kidding, hahaha
Compared with ordinary headphones, the sound of high-fidelity headphones is closerto the original sound
The most intuitive is reflected in the following 3 points:
Earphones have a wider frequency range
(Can let the ear hear more details)
High-fidelity headphones have a higher level of hardware
(Durability and actual hardware effectiveness have been greatly improved)
Most high-fidelity headphones are tuned
(Make the sound more pleasing in a certain sense of hearing