TV COMMERCIAL BROADCAST STANDARDS

TV commercials uploaded for delivery to Australian television stations should meet these technical specifications:

VIDEO SPECIFICATIONS

• Container: MXF (OP1a) or MOV (Quicktime)Video

• Codec, Profile, Container:

  • XDCAM HD 50 | 422P@HighLevel | MXF

  • ProRes | 422, LT or HQ | MOV

  • Avid DNxHD 120 8-bit | 1080i SQ 8-bit | MXF or MOV

• Frame: 1920 x 1080

• Aspect Ratio 16:9

• Frame Rate 50i: 25 fps

• Interlacing: Upper Field First

• Bitrate: 50 Mbps

• Chroma Subsampling: 4:2:2

• GOP Length 1080/50i: 12 (M=3, N=12)

• Luminance scope: 0mV – 700mV +3%, 0% tolerance

• Black level not to drop below blanking level 0mV luma

• Chroma level not to exceed 100% (see OP29)

• Ensure titles are within graphics safe area (see OP36)

• Avoid macro-blocking, dup frames, high compression, motion jitter, aliasing, and mixed aspect ratios

AUDIO SPECIFICATIONS

• Audio

• Format PCM (Little Endian)

• Channels 2 (1 channel per stream)

• Sample Rate 48 kHz

• Bit Depth 16 bits / 24 bits

OP 48 settings:

• Digital – permitted maximum level peak program meter (PPM) -9dBFS assuming peak levels are infrequent and less than 10ms

• 12 frames of complete silence at the head and tail within the duration of the TVC

OP 59 settings:

• This is the latest amendment to Operational Practice 48 for the measurement and loudness of audio:

• Audio loudness global standard (Normalised) -24 LKFS (Loudness, K-weighted, Full Scale)

• Measurement by ITU BS 1770 – 2&3, (standardised by the International Telecommunications Union)

NOTES ON PIXEL ASPECT RATIO

• For correct pixel/display aspect ratio, ensure the aspect settings are based on the exported size. 100% of source. Default for size.

CLAPPER

The video file should be accompanied by a clapper: A JPEG image – 1920 x 1080. The clapper should contain the following information:

• Client

• Product

• Key No.

• Date

• Aspect Ratio

• Duration

• CAD No. (optional)

• Compliance with OP 48 Audio Loudness.