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Messages - Tranquility Bass

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31
After setting up "Dirac Live" on your PC run it and enter in your account details and password and you should be greeted with a similar screen to the following. If you have installed "Dirac Live Processor" installed correctly then you should be able to see the Live Processor id as in the following screen grab. Select the Live Processor.




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If you have installed the DIRAC Live Processor according to the instructions supplied then login with your email and password. You need to setup the audio options from the "Options" menu. If you have installed the drivers for the 8-channel USB sound device on the UPP then you should be able to select the appropriate ASIO channels from the Options menu as follows.

 

In the "USB 8-ch Setup Menu" on your UPP make sure you have the correct channel mapping as follows.



If everything has been setup properly clicking on the "Test" button should produce a tone through the speakers that are connected to a power amp that is connected to the UPP.

33
A typical DIRAC install consists of a Dirac Live Streaming application running on specific vendors hardware or in our case it is running on the PC hardware. There is another app called DIRAC Live used to interface to the vendors hardware or PC over a network connection. This is the face of the DIRAC application and does all of the user interface and control of the DIRAC live stream engine including the room measurements and calculating the correction filters. In our case we have both the DIRAC Live Stream Application and DIRAC Live application running on the same PC. However we could use another PC on the network running DIRAC Live to connect to the Live Stream application. All in all it is a pretty slick package and DIRAC have gone to great lengths to simplify everything as much as they can.

In the following I will outline what I have done to get DIRAC running with the UPP. This will be a work in progress as we work through the procedures as outlined in the DIRAC manuals and try and solve issues with Windows audio devices and the DIRAC virtual audio device. In a lot of cases the use of DIRAC is fairly straight forward as the software has been written to be broken down into simpler steps so you won't need to pay a specialist to come out and do it for you.

Firstly you need a PC that you are going to install DIRAC on which preferably runs Windows 10 although in this example we used a DELL 6400 Laptop with a 1.7GHz Dual Cored Pentium running Windows 7 although DIRAC does stipulate the used of Windows 10. The UPP communicates with the PC using a USB cable connected from the 8-channel USB interface on the back of the Preamp to the PC using a type-B to type-A USB cable as shown in the image below.

Assuming you have purchased a valid license follow the DIRAC installation procedure and install both the DIRAC Live Stream and DIRAC Live App on the same PC.




34
This thread is about running DIRAC DRC on the Ultimate-Preamplifier Plus (UPP) so please feel free to add your experiences. With the help of one of my clients the generous  folks at DIRAC have kindly offered me a license to run DIRAC which I greatly appreciate. I'm no expert on Dirac so here is my experience with it to date. One of the things you will find is that once all of the hardware works with each other the process of correcting a loudspeaker is really quite streamlined and doesn't require any additional specialist help like some of the other DRC solutions. I have managed to get a lot of DIRAC working with the UPP but are still having trouble getting the audio stream from the UPP that represents the Preamplifier output into the DIRAC live stream application so any advice welcome on this front and for those attempting to use it with an Apple platform.

Now why would you want to run Dirac with the Preamp instead of something like Jriver on a PC etc ? For the same reason you would want to listen to your favourite CD player, vinyl playback on a turntable, a tuner, tape deck etc etc which can't be done on a PC alone and this is why the Ultimate Preamplifier Plus is unique because you now have the ability to apply this room correction to any source that is connected to the Preamp and not just limited to streaming music from a PC ;)

Dirac Website: https://www.dirac.com/hd-sound-loudspeakers

More References:

FAQ

How it works

Dirac installation guide

Quick Start Guide - English

35
Firmware Updates / Firmware Update: 210513-1335
« on: May 13, 2021, 04:16:04 AM »
Firmware Version: 210513-1335
Firmware release date: 13-May-2021
Tested On: UP2, UPP
Description: This update addresses differences in Apple remote controls as there appears to be two types of remote with slightly different codes and some wouldn't work depending on which one you purchased which wasn't clear as they both looked identical. This has now been fixed in this release so the UP should now respond to both types.

We have also changed the "Setup S/PDIF Output" menu and have removed the loop through function and added a sample rate output selection because some external DAC's cannot run at the native DSP sample rate of 192kHz nor can the Toslink output of the preamp run at more than 96kHz.

References:

How to upload firmware updates to the Ultimate Preamplifier

How to implement a stereo 5-way crossover with the Ultimate-Preamplifier

This firmware download link below:






36
Audioweaver / 8-Channel Stereo Pass through
« on: May 25, 2021, 07:57:52 AM »
This script is used for testing the DACís and directly passes audio data from the left channel to the all of the odd channels (Ch 1,3,5,7) and from the right channel to the all of the even channels (Ch 2,4,6,8).

WARNING ! It is recommended not to have speakers connected when using this mode otherwise it may cause damage to the upper range drivers if they are driven with wide band or low frequency content.


37
Audioweaver / 4-way Stereo Crossover
« on: May 25, 2021, 07:51:41 AM »
This script uses Audio-Weaverís built in High-Performance Linkwitz-Riley crossover module to implement a stereo 4-way crossover. Crossover Levels and frequencies can be customized to arbitrary values. Crossover slopes can be adjusted from 1st to 10th order slopes.


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Audioweaver / 3-way Stereo Crossover
« on: May 25, 2021, 07:49:08 AM »
This script uses Audio-Weaverís built in High-Performance Linkwitz-Riley crossover module to implement a stereo 3-way crosover. Crossover Levels and frequencies can be customized to arbitrary values. Crossover slopes can be adjusted from 1st to 10th order slopes.


39
Audioweaver / 2-way Stereo Crossover
« on: May 25, 2021, 07:45:11 AM »
This script uses Audio-Weaverís built in High-Performance Linkwitz-Riley crossover module to implement a stereo 2-way crossover. Crossover Levels and frequencies can be customized to arbitrary values. Crossover slopes can be adjusted from 1st to 10th order slopes.


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For more information on this topic please download the following pdf document:-

Extending The DSP Capability of the Ultimate Preamplifier PLUS


41
Feature Requests / Re: headphone
« on: May 19, 2021, 02:06:26 PM »
Yes I have some ideas for a headphone output ;)

42
Audioweaver / Re: Can't connect AWE to Ultimate Preamp
« on: May 18, 2021, 01:22:35 AM »
Hello

You need to use Version 6.17.06 of Audioweaver as the latter version do not work with the Preamp,

Please PM me for the quick start guide for info on how to download.

Regards
David

43
Feature Requests / Re: headphone
« on: May 18, 2021, 01:19:29 AM »
Is that a headphone output for normal stereo output or do you want to select which channels you want to listen to ??

44
Firmware Updates / Firmware Update: 181009-1539
« on: May 13, 2021, 04:16:04 AM »
Firmware Version: 181009-1539
Firmware release date: 08-Jan-2018
Tested On: UP1
Description:

References:

How to upload firmware updates to the Ultimate Preamplifier

This firmware download link below:






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Please refer to the following documentation for full instructions on how to upload firmware updates to the Ultimate Preamplifier

How to upload firmware updates to the Ultimate Preamplifier

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