Format
- .mp4
Min. Resolution: 1280 x 720 pixels
Note: The VAST response should include two MP4's - one low-resolution (1280x720), and one high-resolution (1920x1080).
Aspect Ratio: 16:9
*854x480 or 1024x576 standard definition video is accepted only at 16:9 aspect ratio
Compression: H.264
Target Bit-Rate: 1.5 - 8 Mbps (Preferred)
Frame Rate: 23.976, 24, 25, 29.970, or 30 FPS
Audio
- Format: AAC
- Sample Rate: 44.1 or 48kHz
- Sample Size: 16-bit
- Channels: Stereo (L R)
For Example
<MediaFiles>
<MediaFile id="1" delivery="progressive" type="video/mp4" bitrate="1000" width="1280" height="720">
<![CDATA[https://cdn.flashtalking.com/2342/sunny_weather_low-res-ad.mp4]]>
</MediaFile>
<MediaFile>
<MediaFile id="2" delivery="progressive" type="video/mp4" bitrate="5000" width="1920" height="1080">
<![CDATA[https://cdn.flashtalking.com/2342/sunny_weather_high-res-ad.mp4]]>
</MediaFile>
</MediaFiles>For Hulu specs, click here.
High Definition
Format
- .mpg
Min. Resolution: 1280 x 720 pixels
Aspect Ratio: 16:9
Chroma: 4:2:2 (HP@HL)
Interlacing: 1080i *Upper/top field first or 1080p (Progressive) or 720p (Progressive)
Compression: H.264
Video Bit-Rate: 45Mbps - Constant
Frame Rate: 23.98, 29.97, or 59.94 FPS
GOP: Long GOP (IBBP)
Closed Captioning: 608 or 708 captioning with afd flags
Audio
- Format: MPG or PCM
- Sample Rate:48kHz
- Bit Rate: 16, 24
- Channels: Stereo (L R)
- CALM ACT: 24 LKFS plus or minus 2dB
- Peak Audio: True Peak level should be kept below -2 dB TP
Standard Definition
Format
- .mpg
- .mov
Min. Resolution: 720 x 512 pixels
Aspect Ratio: 4:3
Chroma: 4:2:2 (HP@HL)
Interlacing: Upper/top field first
Compression: H.264
Video Bit-Rate: 18Mbps - Constant
Frame Rate: 29.97 FPS
GOP: Closed Long GOP (IBBP)
Audio
- Format: MPG Layer 2
- Sample Rate:48kHz
- Bit Rate: 384 kps