The exectuable (.NET 3.5 app) available here.

Current state

Quite useful for trying out speaker placements in a rectangular room. T-ratio, focuspoint, room ellipsis.

Rudimentarily useful for locating reflection points in reflection window.

Revision history

2011-11-11: (v0.20) Location of reflection points avaliable in separate window.(109k)

2011-11-09: (v0.19) Hotspots introduced. Option to draw them. (101k)

2011-11-08: (v0.18) Reflections possible in refection window, with or without dotted lines. (99k)

(some revision history lost!)

2011-11.04: (v0.14) Bugfix for bug#3. (72k)

2011-11-04: (v0.13) Bugfix for bug#2. (71k)

2011-11-04: (v0.12) Lines possible to draw and remove in reflection window. (71k)

2011-11-04: (v0.11) Loudspeakers and listening position i reflection window.(69k)

2011-10-19: (v0.10) Prettier splash screen, reverse-direction reflection in setup screen and first glimpse of the reflection window. Big enough change to motivate skipping to 0.10. :) (66k)

2011-10-19: (v.0.08) Room ellipsis option added. (48k)

2011-10-18: (v.0.07) Calculations for distance of speaker back corners to back wall for ease of placement. (47k)

2011-10-18: (v.0.06) Focal point calculated. Angle setting granularised with one decimal. (46k)

2011-10-14: (v.0.05) Customisable colors. Image selection moved to the new Setup form too. (46k)

2011-10-14: (v.0.04) Speakers rotate, on-axis lines available. User selectable background image.(39k)

2011-10-14: (v.0.03) Cleanup on options and making more non-input textboxes disabled. Non-rotational loudspeaker boxes and change of default settings. Infobox. (35k)

2011-10-13: Second teaser uploaded, doodeling changed to a single line from listening position. Textboxes for entering speaker dimenstions (useless in this revision). (30k)

2011-10-11: First teaser uploaded. (26k)

Faktiskt.se's Wish list

Known bugs and 'features'

Screenshot: Bug#1
Description: Putting cursor almost on room boundary in setup form causes line to take odd directions, most often perpendicular to boundary. Applies to all four boundary lines.
Classification: very minor annoyance, no pressing need to hunt and kill.
Reason: too short reflected line part for accurate dx and dy calcs.
Version first found in: 0.09
Resolved: No?

Bug#2
Description: Application crash on going to reflection window
Classification: Severe
Reason: Non-integer value for listening position.
Version first found in: 0.12
Resolved: 0.13

Bug#3
Description: Re-entering reflection window with change speaker position draws both old and new
Classification: Important
Reason: Room lines list not emptied inbetween
Version first found in: 0.13
Resolved: 0.14

Bug#4
Description: Room size boxes no longer working
Classification: Severe
Reason: Probably due to the cosmetical move of textboxes into groupbox. :-(
Version first found in: 0.14
Resolved: next...

Bug#5
Description: Application exit on manual listener position(?)
Classification: ?
Reason: Possibly math going wrong if textbox does not contain a number
Version first found in: 0.17
Resolved: No