fidelity
//fɪˈdɛlɪti//
Noun
fidelitySingular
1
Faithfulness and loyalty to a person, cause, or belief, especially a spouse or partner.
She never doubted his fidelity throughout their long marriage.
2
The degree of exactness with which something is copied or reproduced.
This audio system is known for its high fidelity sound reproduction.
3
The quality of sound or image reproduction in terms of accuracy to the original.
This speaker system offers high fidelity sound reproduction.