Tom Keller had a problem. His Bluegrass on Broad Street program had just reached a milestone, streaming the last night of a summer music series on the Web with both audio and video, and the audience response—both physical and virtual—had been better than expected. But his plans to expand beyond the local area and its [...]

GravityLab is pleased to offer HTTP Dynamic Streaming for all accounts. This is a technical reference and FAQ to this streaming video hosting announcement. What is HTTP Dynamic Streaming? HTTP Dynamic Streaming enables high-quality (H.264 or VP6), network-efficient HTTP streaming for media delivery that is tightly integrated with Adobe® Flash® Access® software for robust content [...]

These settings apply to both live and prerecorded (video on demand, or VOD) encoding. The provided settings are grouped according to whether the content is intended to be streamed over the Cellular or Wi-Fi network, whether the content is for iPhone/iPod Touch or iPad, and whether the content is 4:3 or 16:9 aspect ratio. The [...]

Streaming video to iPhone Frequently Asked Questions What kinds of encoders are supported? The protocol specification does not limit the encoder selection. However, the current Apple implementation should interoperate with encoders that produce MPEG-2 Transport Streams containing H.264 video and AAC audio (HE-AAC or AAC-LC). Encoders that are capable of broadcasting the output stream over [...]

Decks and Cards WAP sites are generally one file that contains many sub-pages within the master WML page. Each page is defined with a special tag called “<card>”. This is why WML pages are known as “decks”, because they contain multiple cards. Each card can contain text, links, input fields, tasks, images, and more. You [...]

Digital video files are usually stored to disk in movie files. These files often contain the sample data used by the movie as well. The Player API includes functions to store a movie, or a movie and all its associated sample data, to a file. By default, the movie data structure is stored at the [...]

We recommend Main Concept H.264 mp4. Encoding should be based on the single-pass Baseline profile, with frame reordering disabled. Keyframes are suggested every 5 seconds, ideally an even divisor of the chosen segment length. mp4 encoding for iphone / ipad / android / html5 devices Delivery Dimensions Frame Rate Total Bit Rate Video Bit Rate [...]

Collection of HTML5 video players

Quicklinks: Live HTTP Streaming and On Demand HTTP Streaming at GravityLab How it works Designed into iPhone OS 3.0+, the built-in video player now supports adaptive bit rate switching during playback. As a user watches a video, the iPhone player will detect the user’s available bandwidth and automatically switch to the appropriate bit rate during [...]

Here’s a selection of sample files and linking protocols to test your phone’s video capabilities. Quicktime Mp4 http://helix.gravlab.com:554/sample_100kbit.mp4 http://helix.gravlab.com:554/sample_300kbit.mp4 H.264 http://helix.gravlab.com:554/sample_h264_100kbit.mp4 http://helix.gravlab.com:554/sample_h264_1mbit.mp4 Mobile 3GP http://helix.gravlab.com:554/sample.3gp http://helix.gravlab.com:554/sample_50kbit.3gp Windows Media http://media.gravlab.com/powered.wmv http://media.gravlab.com/racecar.wmv Quicktime Mov http://helix.gravlab.com:554/sample_100kbit.mov http://helix.gravlab.com:554/sample_300kbit.mov

This article provides information on transcoding audio and video files into a format that can be played on a BlackBerry smartphone.

From the Microsoft Expression Encoder download site: “Microsoft® Expression® Encoder, a feature of Expression Media, offers encoding, enhancement, and publishing of rich media experiences to Microsoft Silverlight. ” Features Include: Better Encoding VC-1 advanced authoring SDK integration: by adopting the new VC-1 authoring SDK, Expression Encoder 2 is able to author better quality video faster. [...]

GravityLab offers comprehensive iPhone streaming video hosting packages to deliver your video to the iPhone and other mobile cell phone devices. Follow this link to review our iPhone video plans and pricing. When the iPhone was unveiled, the mobile phone market was instantly changed. Consumers raced to buy them, and sales exceeded all expectation. The [...]