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New speaker DSP in Media Center 14.0.127 [Room Correction]

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Alexx:
Those new speaker settings are WONDERFUL.  This awesome program just keeps getting better and better!

Matt:
Glad you like it.

After thinking about it some more, I think we're going to incorporate volume correction into the speaker distance algorithm.

If we know your left speaker is 10% farther from you than your right speaker, it's pretty simple math to figure out the decibel difference from this.  I think this should be applied automatically when distance correction is in use instead of requiring the user to dial it in with the Level slider. (the level slider will of course still be available)

Another change I'd like is to add a 'Mute' and 'Solo' button on the Levels section to help with testing.

Alexx:

--- Quote from: Matt on January 16, 2010, 10:16:43 am ---Glad you like it.

After thinking about it some more....

--- End quote ---

All excellent ideas!  I know a lot of people grumble about the price of Media Center, and upgrades and etc., but I can't wait to shell out for the next version.  I'll take it out of the grocery budget if I have to.  Whatever it takes to keep JRiver going, and going strong, like the Energizer Bunny.

llafriel:
Now this is great stuff! This allows me to have speakercorrection per zone, love it! Could we also have the distance available in metric units?
Ooh! What about enabling drc filters per speaker? This would allow multichannel roomcorrection..
http://www.duffroomcorrection.com/wiki/Main_Page

jmone:

--- Quote from: Matt on January 16, 2010, 10:16:43 am ---Glad you like it.

After thinking about it some more, I think we're going to incorporate volume correction into the speaker distance algorithm.

If we know your left speaker is 10% farther from you than your right speaker, it's pretty simple math to figure out the decibel difference from this.  I think this should be applied automatically when distance correction is in use instead of requiring the user to dial it in with the Level slider. (the level slider will of course still be available)

Another change I'd like is to add a 'Mute' and 'Solo' button on the Levels section to help with testing.

--- End quote ---

Sounds good Matt, couple of observations to back this up:
1) Setting speaker distance is a good start for volume correction if you don't have a SPL meter but it is great to keep the manual DB setting to take account of stuff in the room (eg furniture gets in the way, some speakers may be in corners, some are not etc etc).
2) Mute helps with testing and calibration but you will need a test tone option as well

You pretty well have most of the pre-amp stuff now available in MC.  The only other option I see between MC and mid range Recievers in this area are:
1) Microphone based Auto Tuning (you stick a mic at the listening position, it plays a bunch of test tones in order from each speaker and the adjusts for each channel, polarity, distance, loudness, even EQ).
2) Per channel EQ - I don't use it but some do especially when trying to match the "timbre" of different brand, type, and size of the three speakers across the front sound stage.

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