Broadcasting Services (Digital Television Format Audio Component Transmissions in SDTV Digital Mode) Technical Standard 2007 (Cth)

Broadcasting Services (Digital Television Format — Audio Component — Transmissions in SDTV Digital Mode) Technical Standard 2007

Broadcasting Services Act 1992

The AUSTRALIAN COMMUNICATIONS AND MEDIA AUTHORITY makes this Standard under subsection 130A (1) of the Broadcasting Services Act 1992.

Dated 27^th April 2007

Chris Chapman

[signed]
Chair

Deputy Chair
Lyn Maddock
[signed]

Australian Communications and Media Authority

1. Name of Standard

This Standard is the Broadcasting Services (Digital Television Format — Audio Component — Transmissions in SDTV Digital Mode) Technical Standard 2007.

1. Commencement

This Standard commences on 5 May 2007.

1. Definitions

In this Standard:

Act means the Broadcasting Services Act 1992.

channel A datacasting transmitter licence has the meaning given by section 98A of the Radiocommunications Act 1992.

channel B datacasting transmitter licence has the meaning given by section 98B of the Radiocommunications Act 1992.

commercial television broadcasting licensee has the same meaning as in Schedule 4 to the Act.

IEC means the International Electrotechnical Commission.

ISO means the International Organization for Standardization.

MPEG‑1 Layer 2 means a digital audio stream that complies with the requirements of international standard ISO/IEC 11172‑3:1993, also known as ‘Information Technology — Coding of moving pictures and associated audio for digital storage media at up to about 1.5 Mbit/s — Part 3: Audio’, as in force from time to time.

SDTV digital mode has the same meaning as in Schedule 4 to the Act.

1. Object

The object of this Standard is to establish a minimum format requirement for the audio component of television programs and datacasting services transmitted in SDTV digital mode.

1. Application

(1)   This Standard applies to:

(a)    commercial television broadcasting licensees; and

(b)    national broadcasters;

in relation to the format in which television programs with an audio component are to be transmitted in SDTV digital mode.

(2)   This Standard also applies to a person who provides a datacasting service that is transmitted using a transmitter operated under the authority of:

(a)    a channel A datacasting transmitter licence; or

(b)    if the service is capable of being received by a domestic digital television receiver — a channel B datacasting transmitter licence;

in relation to the format in which datacasting services with an audio component are to be transmitted in SDTV digital mode.

(3)   However, this Standard is not intended to prevent:

(a)    commercial television broadcasting licensees or national broadcasters from transmitting a television program in SDTV digital mode with:

(i)    an audio component that complies with the Standard; and

(ii)    one or more audio components that do not comply with the Standard; or

(b)    a person mentioned in subsection (2) from transmitting a datacasting service in SDTV digital mode with:

(i)    an audio component that complies with the Standard; and

(ii)    one or more audio components that do not comply with the Standard.

1. Standard

If a television program or a datacasting service that is transmitted in SDTV digital mode has an audio component, the component must be capable of being decoded by a receiver that has only MPEG‑1 Layer 2 audio decoding capability.