Web Player Requirements (VSK Echo Show)

The video skill's web player opens in a web browser and supports the following codecs, formats, and standards:

Video requirements:

HLS/MPEG-DASH
MP4 H.264
Widevine DRM Level 1
Encrypted Media Extensions (EME)
Media Source Extensions (MSE)

Important: HTTP Live Streaming (HLS) and Dynamic Adaptive Streaming over HTTP (DASH) need extra libraries to work properly. These streaming protocols work with libraries that use Media Source Extensions, such as hls.js and dash.js. Use hls.js for an HLS unified developer experience on all Echo Show, and dash.js for DASH support on all browsers.

Audio requirements:

MP4 with AAC
WebM with Vorbis
WebM with Opus
AAC-LC is supported, but AAC-SBR is not. Media should follow the audio specifications defined for chromium to ensure proper playback. More information on chromium can be found in Audio/Video in the Chromium Projects site.

Image Asset Requirements

Background Image

Aspect ratio: 16/9, +/- 0.05
Minimum size: 512px wide x 288px high
Maximum size: 1280px wide x 720px high

The Background image appears on Video Home screen (say "Alexa, go to Video Home" to view this screen). Video Home shows the various video skills represented by Background images.

Logo Image

Minimum size: 48px wide x 48px high
Maximum size: 200px wide x 200px high

Tip: If your logo image appears very small, try removing extra space/padding around it.

The Logo image appears in the upper-right corner on search and browse templates (say "Alexa, Open Prime Video" to open the category template). Consider using a transparent background in your Logo image.

Next Steps

See Video Skills for Echo Show Supported Countries.

Last updated: Oct 29, 2020