MP4 files
Two sets of MP4 files are included: one is provided as the input files for the verification procedure and the other is for your reference only when testing a playback product.
MPEG-4 files for verifying a content creation product
These MP4 files are used as the input for the test procedure to verify the correct operation of a content creation product that creates online content containing Dolby AC-4 bitstreams.
MPEG-4 files for reference only
The following MP4 files are used for reference only. The frame rates indicated in the column names are used for Dolby AC-4 streams.
| Description | Non-fragmented MP4 (25fps) | Non-fragmented MP4 (29.97fps) | Fragmented MP4 (25fps) | Fragmented MP4 (29.97fps) | Comments |
|---|---|---|---|---|---|
| Contains one Dolby AC-4 track with the channel configuration of 2.0 at 64 kbps and one H.264 video track with the same frame rate as Dolby AC-4. | MP4 | MP4 | MP4 | MP4 | Audio ID 2.0 with H.264 video fram rate = audio frame rate |
| Contains one Dolby AC-4 track with the channel configuration of 5.1 at 128 kbps and one H.264 video track with the same frame rate as Dolby AC-4. | MP4 | MP4 | MP4 | MP4 | Audio ID 5.1 with H.264 video fram rate = audio frame rate |
| Contains one Dolby AC-4 track with IMS content at 112 kbps and one H.264 video track with the frame rate two times as Dolby AC-4. | MP4 | MP4 | MP4 | MP4 | IMS with H.264 video fram rate = 2* audio frame rate |
| Contains one Dolby AC-4 track with the channel configuration of 5.1.4 at 192 kbps and one H.264 video track with the frame rate two times as Dolby AC-4. | MP4 | MP4 | MP4 | MP4 | CBI with H.264 video fram rate = 2* audio frame rate |
| Contains one Dolby AC-4 track with the channel configuration of 2.0 at 64 kbps and one H.265 video track with the same frame rate as Dolby AC-4. | MP4 | MP4 | MP4 | MP4 | Audio ID 2.0 with H.265 video fram rate = audio frame rate |
| Contains one Dolby AC-4 track with the channel configuration of 5.1 at 128 kbps and one H.265 video track with the same frame rate as Dolby AC-4. | MP4 | MP4 | MP4 | MP4 | Audio ID 5.1 with H.265 video fram rate = audio frame rate |
| Contains one Dolby AC-4 track with IMS at 112 kbps and one H.265 video track with the frame rate two times as Dolby AC-4. | MP4 | MP4 | MP4 | MP4 | IMS with H.265 video fram rate = 2* audio frame rate |
| Contains one Dolby AC-4 track with the channel configuration of 5.1.4 at 192 kbps and one H.265 video track with the frame rate two times as Dolby AC-4. | MP4 | MP4 | MP4 | MP4 | CBI with H.265 video fram rate = 2* audio frame rate |