Source Content

We'll be packaging the original content for playback and delivery. The source content consists of a combination audio tracks and video tracks. The video is available in different bitrates (for adaptive streaming) and the audio has been encoded using a variety of audio codecs to support the best quality audio for the different devices.

The following is a list of all the files that we use as input for the packaging. Source content:

Filename

Description

audio_aac-lc.mp4

AAC-LC (Advanced Audio Codec - Low Complexity) audio track

audio_he-aac.mp4

HE-AAC (High Efficiency AAC) audio track

audio_dts-express.mp4

DTS Express 5.1 audio track

audio_ac3.mp4

AC-3 (Dolby Digital) audio track

audio_eac3.mp4

EAC-3 (Dolby Digital Plus) audio track

video_200.mp4

H.264 / AVC1 video track @ 200 kbps

video_400.mp4

H.264 / AVC1 video track @ 400 kbps

video_600.mp4

H.264 / AVC1 video track @ 600 kbps

video_800.mp4

H.264 / AVC1 video track @ 800 kbps

Devices often support only a single adaptive streaming protocol (HSS, HLS, HDS, MPEG-DASH) or even only progressive download. The following table lists the streaming protocols and devices we are targeting.

Streaming Protocol

Audio

Video

Devices

Smooth Streaming

HE-AAC

200, 400, 600, 800

Silverlight

Smooth Streaming

Dolby Digital Plus

200, 400, 600, 800

X-Box

HTTP Live Streaming

HE-AAC

200, 400, 600, 800

iOS, Android, JWplayer

HTTP Dynamic Streaming

HE-AAC

200, 400, 600, 800

OSMF based players

MPEG-DASH

HE-AAC, DTS Express, Dolby Digital

200, 400, 600, 800

Progressive download

AAC-LC

400

Older devices (Low quality)

Progressive download

HE-AAC

800

Older devices (High quality)