Regulations on Television Program Volume

02:37, 11/07/2024

Circular 34/2017/TT-BTTTT was issued by the Ministry of Information and Communications on November 22, 2017, specifying the volume levels for television programs.

Accordingly, Circular 34 stipulates the average integrated volume level measured over the integration time frame during the television program. The program volume level is a value calculated in LUFS, denoted as Lk.

The Lk volume level target as stipulated in Circular 34 is as follows:

Lk = -23 LUFS ±1.0 LU

For programs with short content (<30 seconds) (e.g., commercial programs, advertisements), in addition to the Lk program volume level mentioned above, the following condition must also be met:

- Maximum volume level for short time frames:

Lk = -18.0 LUFS (+5.0 LU on the relative scale).

See details in Circular 34/2017/TT-BTTTT effective from July 1, 2018.

-Thao Uyen-

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