Difference between revisions of "Karma/Specifications"

Revision as of 07:05, 12 August 2009

Introduction

Constraints

Since a large percentage (if not the majority) of Karma users are envisioned to be using OLPC XO-1 laptops, netbooks, older hardware or generally relatively slow systems there are several performance constraints that need to be taken into account when designing Karma lessons.

CPU/Memory: The baseline regarding available performance is the XO-1 laptop which comes with an AMD Geode LX 433MHz CPU and 256MB RAM (full specifications). This limits the use of high-resolution multimedia, animations and videos to some degree.
Display: Karma lessons should work well on displays with a resolution of 1024*768 (whereby a part of the display may be taken up by browser UI elements!).
Mass storage: Since especially the XO-1 laptop only has very limited local mass storage (1GB) lessons should be kept reasonably small.
Connectivity: Karma lessons must not assume constant connectivity with a locally (e.g. XS) or globally available server. Support for storing data locally will be provided by Karma.

Animations

Format(s): TBD
Recommended tools: TBD
Notes: TBD
...

Images

Format(s): JPEG, PNG, SVG (?)
Recommended tools: Adobe Illustrator (non-free), CorelDRAW (non-free), GIMP, Inkscape
Max. resolution: 1200*900
Notes: TBD

Sound

Format(s): OGG Vorbis
Bit rate: TBD
Max. size per lesson: 3~4MB
Recommended tools: Audacity
Notes: TBD

Video

Format(s): TBD
Recommended tools: TBD
Notes: TBD
...

@@ Line 8: / Line 8: @@
 Since a large percentage (if not the majority) of Karma users are envisioned to be using OLPC XO-1 laptops, netbooks, older hardware or generally relatively slow systems there are several performance constraints that need to be taken into account when designing Karma lessons.
-* CPU/Memory: The baseline regarding available performance is the XO-1 laptop which comes with an AMD Geode LX 433MHz CPU and 256MB RAM [http://wiki.sugarlabs.org/go/Karma/Specifications full specifications]. This limits the use of high-resolution multimedia, animations and videos to some degree.
+* CPU/Memory: The baseline regarding available performance is the XO-1 laptop which comes with an AMD Geode LX 433MHz CPU and 256MB RAM ([http://wiki.sugarlabs.org/go/Karma/Specifications full specifications]). This limits the use of high-resolution multimedia, animations and videos to some degree.
 * Display: Karma lessons should work well on displays with a resolution of 1024*768 (whereby a part of the display may be taken up by browser UI elements!).
 * Mass storage: Since especially the XO-1 laptop only has very limited local mass storage (1GB) lessons should be kept reasonably small.