Standard sound quality: music file size is less than 5M.

High quality: the file size of music can reach 10M.

Lossless sound quality: the music file exceeds 30M.

2, the sound quality is different

Standard sound quality: the sound quality is generally ≤ 128Kbps.

High quality: the sound quality is generally ≥256Kbps.

Lossless sound quality: the sound quality is 320Kbps.

3. Different sampling rates

Standard sound quality: low sampling rate.

High quality: high sampling rate.

Lossless sound quality: high sampling rate.

4, the reduction degree is different.

Standard sound quality: the degree of music restoration is very low, and there are no details.

High quality: high reproduction, rich music details.

Lossless sound quality: the degree of restoration is extremely high, which makes the music more expressive and authentic.

5. Different bit rates

Standard sound quality: low bit speed, concert mixing.

High quality: moderate bit rate and clear concert.

Lossless sound quality: high bit rate and fuller music.