Surround Sound?
09-30-2010, 05:31 PM
#1
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Surround Sound?
Hey all,
What do I have to do to get my stereo to play in surround sound?
As of now, my entire music collection (6GB) is on iTunes in either a m4a or m4p file format. m4a being music that I did not buy from the store and m4p being music bought from the store or music that the program recognized upon import.
So, do I need to convert my music to a specific file format, get blank dvd's, etc?? I dont know where to start. Thanks all.
What do I have to do to get my stereo to play in surround sound?
As of now, my entire music collection (6GB) is on iTunes in either a m4a or m4p file format. m4a being music that I did not buy from the store and m4p being music bought from the store or music that the program recognized upon import.
So, do I need to convert my music to a specific file format, get blank dvd's, etc?? I dont know where to start. Thanks all.
10-01-2010, 07:22 AM
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Only music originally mixed and released in surround format will play in surround sound. The catalog of released artists and albums in surround format is still pretty limited.
10-01-2010, 03:31 PM
#4
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Or you can create your own DVD-A disc. They sound incredible in that system. I've made a few myself. Talk about channel separation. Search some threads about conversion and burning of DVD-A's.
Check out this thread:
https://acurazine.com/forums/3g-tl-audio-bluetooth-electronics-navigation-94/i-want-burn-mp3-what-dvd-format-do-i-use-789541/
Check out this thread:
https://acurazine.com/forums/3g-tl-audio-bluetooth-electronics-navigation-94/i-want-burn-mp3-what-dvd-format-do-i-use-789541/
Last edited by LoveMyTL-S; 10-01-2010 at 03:39 PM.
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10-03-2010, 05:52 PM
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Actually Eric, even a regular CD will also be separated by the head unit and played in surround sound-even if it's not a DVD Audio disc. It isn't as well done as a DVD Audio disc, but the head unit does a decent job of separating the sound on a regular stereo disc.
10-03-2010, 10:58 PM
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I don't think that's true. How is that possible if the source was only mixed in a 2-channel stereo format? Or how about something old-school like the Beatles mono releases? They were originally recorded mono and will only play mono, regardless of hardware... At least, as far as I ever knew.
10-04-2010, 01:10 AM
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I don't think that's true. How is that possible if the source was only mixed in a 2-channel stereo format? Or how about something old-school like the Beatles mono releases? They were originally recorded mono and will only play mono, regardless of hardware... At least, as far as I ever knew.
It is possible, but it's not true 5.1 surround for the reason you infer. When you select the Dolby Pro-Logic the radio does some "magic" to split the channels. Something along the lines of:
- Send all signal < 80 Hz to Subwoofer;
- Compare L & R --> send everything that's the same in both between 80 and 5000 hz to center;
- Send unique L > 80 Hz to Front L; send unique R > 80 Hz to Front R.
- Send all L > 80 Hz to Rear L; Send all R > 80 Hz to Rear R.
So, it simulates a surround by mostly by splitting the channels by frequency. I have no idea what the cut offs are or how simiple or complex the logic is. The above is just a simple example.
This is basically what's being done when some one makes a "home made" DVD-A. They sound REALLY good, but they are not true surround sound. More like enhanced stereo from 5 channels, if you see what I mean. It's more about creating a sense of channel separation, not creating moving surround effects.
Last edited by Bearcat94; 10-04-2010 at 01:15 AM.
10-04-2010, 03:03 PM
#13
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Something along the lines of:
- Send all signal < 80 Hz to Subwoofer;
- Compare L & R --> send everything that's the same in both between 80 and 5000 hz to center;
- Send unique L > 80 Hz to Front L; send unique R > 80 Hz to Front R.
- Send all L > 80 Hz to Rear L; Send all R > 80 Hz to Rear R.
- Send all signal < 80 Hz to Subwoofer;
- Compare L & R --> send everything that's the same in both between 80 and 5000 hz to center;
- Send unique L > 80 Hz to Front L; send unique R > 80 Hz to Front R.
- Send all L > 80 Hz to Rear L; Send all R > 80 Hz to Rear R.
10-04-2010, 03:22 PM
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So does this mean that the headunit handles the crossover to the subwoofer? If I replace my sub, all I need to do is tap the factory input wires at the factory sub and input directly into the new amp (either using line inputs or a LOC)? I do not need a separate crossover?
You missed a line.
I actually stole that general idea/logic from the way the adobinzer does it's channel splitting.
10-07-2010, 03:55 PM
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The other alternative is Cirlinca Solo. You can do a few discs as trial, but after that you have to buy it. I think it's something like $39 or $49. Does everything "the adobinizer" does PLUS authors the DVD-A.
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