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What does 320kbps in mp3 format mean?192kbps?
Kbps stands for the quality of music files:

192 kbps— Excellent quality, with occasional differences.

224-320 kbps- high quality

Kbps stands for bit rate, which refers to the amount of binary data per unit time after converting analog sound signals into digital sound signals. The higher the bit rate, the better the sound quality (under the same coding format, different formats cannot be compared).

As a reference index of digital music compression efficiency, bit rate indicates the speed of the number of bits transmitted per second in unit time (1 second). Usually in Kbps (in layman's terms, it is 1000 bits per second).

The bit rate of digital music in cd is 1 411.2kbps (that is, it takes141.2x01000 bits to record CD music).

However, when the bit rate is high, the file size will become larger, which will occupy a lot of memory capacity. The most commonly used bit rate of music files is 128kbps, and MP3 files are generally 8-320Kbps. However, different MP3 players support different ranges in this respect, most of which are 32-256Kbps. Of course, the wider the index, the better, but 320kbps is the highest level for the time being.

Extended data:

Kbps value in video represents video quality difference:

16 kbps- videophone quality (minimum requirement for users to accept "talking head" photos)

128-384kbps-the quality of video conference system for business.

1Mbps-VHS quality

1.25mbps–VCD quality (using MPEG 1 compression)

5 Mbps —DVD quality (using MPEG2 compression)

8–15mbps–HDTV quality (using H.264 compression)

29.4 Mbps -HD DVD quality

40 Mbps-–Blu-ray disc quality (using MPEG2, H.264 or VC- 1 compression).

440/880mbps–Sonyhdcam SR quality (SQ/HQ)

Encyclopedia-bit rate