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Dolby Digital Live Dts Connect Code Audio OnWhy is it important to encode audio on the fly Because thats the only way we can send 5 channels of audio at the same time on the same optical cable.The optical cables can only transport 2 audio channels at the same time, thats why all audio decoders will only serve the audio as stereo, so in order to enjoy 5.1 we need to encode all the PC audio to Dolby Digital or DTS.Why PC needs to explicitly encode the audio but other devices as PlayStation 3, 4, Xbox 360, One and BluRay players dont need this Actually PS, Xbox and BluRay players do it automatically, they encode all the audio for you since they correctly assume that optical cable can transport 5.1 only when it is encoded, so depending of the game of the movie, they encode to Dolby Digital or DTS.
PC needs to explicitly encode the audio because you have the option to get the raw audio and send it to receivers that dont need it encoded, actually almost all games dont come with the audio already encoded so the decision to encode it or not is ours, thats the reason why the config is needed, and also required when using Optical inputs. So, if encoding audio is required when using Optical input to transport 5.1, WHY IT IS NOT SET TO ON AS DEFAULT Thats the most important question here, for me Alienware made a HUGE mistake with this, when you on the AlienUI select the Optical input as the main audio source, either Dolby Digital Live or DTS should be activated to encode all PC audio in these formats and be able to have full audio, but whats the current state It only servers stereo audio. ![]() Alienware goof it so hard, that I actually dont know how they were able to get 5.1 audio using Optical input on their quality tests when gaming, maybe they just went to the Audio settings on the Control Panel and made an Dolby Digital and DTS test, which works, but that test sends the audio encoded in these formats, but that doesnt mean DDL or DTS Connect work. Lets remember that almost all games doesnt come with the audio tracks encoded in these formats, they actually come as separated channels. Dolby Digital Live Dts Connect Install Several VersionsDolby Digital Live Dts Connect Driver To BeSo to summarize this, I detected 3 big problems: My Realtek Audio Manager DIDNT WORK AT ALL, so it was really hard for me to start the troubleshooting of the issue, not sure if other users have the same problem but the speaker icon on the tray was not displayed and when I tried to manually start the program, nothing happened, not even a log file with details of the error After reinstall several versions of the driver, I found that only the Audio Manager packed on version R2.71 works fine, not even R2.78 which is the latest one or the one Alienware gives us as default (which I dont know the number, probably R2.78) Alienware didnt notice that none of the drivers allow us to encode to Dolby Digital or DTS, so after digging around the web I found some people with the same problem (not from Alpha, not even on Alienware, people with RealTek sound cards) that were able to modify the driver to be able to encode the audio (for cards that have the needed hardware to do it, lucky us the Alphas card can do it). References The source of the unlocked driver is this so many thanks to techpowerup.com user 2bad for this amazing unlocked driver. All the steps that I documented here are based on the ones described in this video you should watch this video at least once before start with this procedure so you can have an overall idea on what to do and why. Thanks to Youtube user SpoonHandle for the detail explanation of the procedure. All the following material are based on the previous references but with some changes and extra explanations from me to orient the user to apply the changes on an Alienware Alpha, also I will comment my own experience during that process. NOTE: If you try to install R2.71 without removing the current installed driver, the installer will uninstall it first and ask for restart, but after that the installation process is not continued, you will need to start it again, so it is better to remove it before the installation. Open a Command Prompt as Administrator, the easiest way is to hit Windows key X in the Desktop, a menu is displayed and click on the option Command Prompt (Admin), if you have troubles to start it, check here Now with the Admin prompt opened, copy and paste these commands: bcdedit -set loadoptions DISABLEINTEGRITYCHECKS bcdedit -set TESTSIGNING ON This last one has to remain on. If you disable test mode the modded drivers will not work, also it will display a Test Mode message on right side of the desktop, thats normal, in step 7 there are instructions to remove the message, but it is totally optional, in my case I prefered to not touch the message. Unzip the unlocked RTKVHD64.SYS driver then run dseo13b.exe as an Administrator (right click on the program, Run as Administrator) and sign the unlocked RTKVHD64.SYS driver, this is the 64bits version. If you want to skip this step, use mine which is already signed (the 64 bits version needed for the Alienware Alpha) 5. ![]() NOTE 1: This step is OPTIONAL, in my case I didnt do it, it is better for me to show the test mode message. You can skip this one and continue with step 8 NOTE 2: On Windows 8.1 My WCP Watermark Editor has been shown to cause issues with computers sleeping properly and breaking some Windows 8.1 apps. So I recommend just living with the TEST watermark at this point. If you have already ran My WCP Watermark Editor and want to undo the effects, run the following in an elevated command prompt: SFC scannow If desired use MYWCPWATERMARKEDITOR.exe to remove the test watermarks. Restart computer 8. At this point the Realtek Audio Manager icon on the tray is displayed (it MUST be, it is required, otherwise the program is failing to start), double click it and you will see the Realtek audio settings, here select the optical input, select Dolby Digital Live or DTS Connect as the default output format and thats it, you can go to the program called SupportAssist (Alienware software pre-installed on Alpha) and do an Audio test, you should now hear 5.1. As well as Dolby Digital Live, you can choose DTS Connect, both work as expected. The ultimate test is to start a games and notice the individual usage So now you have the audio well configured, these changes are seen and used on the AlienUI Console mode too, now Alpha is ready for some living room experience for real this time Just for the records, my audio system is a Logitech Z-5500 THX-Certified 5.1 Digital Surround Sound Speaker System which have a Dolby Digital and DTS decoder and uses optical output. ![]() Well, to re-enable DTS or Dolby Digital follow these instructions, they are easier and Test Mode is not needed anymore, The RealTek audio manager will never show up again in Windows 10, but you can configure audio settings and default output on the windows audio device manager, the same that pops up when you click the volume icon.
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