We use dacast because it's quite a good price model for not many viewers. And a Blackmagic capture only card with Adobe live encoder and an old avid PC.. Works very well. About 3 secs latency.
NIge
From: Avid-L2@yahoogroups.com [mailto:Avid-L2@yahoogroups.com]
Sent: 16 June 2014 20:13
To: Avid-L2@yahoogroups.com
Subject: [Avid-L2] Re: Remote editing live stream
The performance of any live streaming technology will be based on origin hardware encoding platform, origin upstream bandwidth, the number of hops to the destination, destination download bandwidth, and destination hardware decoding platform.
-- Generally speaking, and not surprisingly, high-end dedicated hardware trumps inexpensive general purpose hardware and/or software solutions -- both in image quality and latency.
-- Leased lines, or the use of CDNs (Content Delivery Networks), trump transporting data over the public Internet, where multiple hops induce latency.
-- Dedicated systems are more likely to deliver consistent (or better) performance.
-- The administration overhead required for each solution should not be dismissed. Setting up these solutions on both sides of the equation (Send/Receive) can become quite a zesty enterpr ise. Know your desire and limitations to admin and troubleshoot the inevitable hiccups that will arise.
You could spend years researching and testing various solutions. With limited time to respond, here are just a couple that come immediately to mind -- there are many others:
Cheap: Slingbox 500 with HDMI Input
Quality: Variable, at best Good
Comments: Easy administration, no dedicated bandwidth or CDN required, bandwidth throttling capability baked into product, latency can be quite long (hops on public Internet), encrypted stream limited to only one viewer (this can be viewed as either good or bad).
Midrange: Flash Media Live Encoder Software
Quality: Can be quite good
Comments: Medium to large administration effort required, free Adobe software, requires dedicated computing platform with I/O card (BMD Decklink), requires a CDN (Akamai, Highwinds, Edgecast, Limelight, LiveStream, Ustream...) or locally running a Flash Media or Wowza Server instance (with requisite hole(s) punched in your firewall), requires publishing a web page with a video player (this can be done with Wordpress and JWPlayer), bandwidth throttling feature a bit more complicated to deploy, may possibly not be supported by client devices that do not support Flash (although JWPlayer has an HTML5 Fallback feature that might work).
Midrange: Teradek Cube
Quality: Can be quite good
Comments: Small, dedicated hardware in a self-contained form-factor with straightforward interface (newer version of product), can be used with or without a CDN (Akamai, Highwinds, Edgecast, Limelight, LiveStream, Ustream...), can apparently be used with or without the dedicated Teradek sister decoder product (VLC Player), not sure about bandwidth throttling.
Expensive: Digital Rapids and other related providers
Quality: Designed for network backhaul over leased lines with broadcast quality signals.
Comments: Prices are not for the faint of heart
Most Interesting New Product: Skype TX for Broadcasters
Quality: Unknown (in Beta Testing)
Comments: Was reported at NAB to require a dedicated computing platform with I/O card (BMD Decklink), was reported to be able to deliver high quality video to any Skype client user. Pricing structure not yet reported.
Again, these are just a couple of solutions, off the top of my head. There are many others.
Good luck in your journey.
Posted by: "Nigel Gourley" <avid-l@outpostfacilities.co.uk>
| Reply via web post | • | Reply to sender | • | Reply to group | • | Start a New Topic | • | Messages in this topic (3) |
No comments:
Post a Comment