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Am I supposed to hear Dolby Digital Live through 6-channel direct cable?

post #1 of 3
Thread Starter 
Quick question guys, is a 6-channel direct cable supposed to work for Dolby Digital Live?
I have a Xonar D1 and a z906, but I get no audio when I select Dolby Digital Live, not even on my headphones.
Is something wrong or is this normal?
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Apollo
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Cooler Master HAF X Gigabyte Aivia Krypton Razer Goliathus Extended Speed Edition Realtek ALC1150 8-Channel + Logitech z906 + Sam... 
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post #2 of 3
Dolby Digital Live is an encoding format for people who have speaker systems that have decoders (such as an A/V receiver) that are limited to either digital coaxial or digital toslink inputs. It takes uncompressed digital audio and compresses it into a lossy container (think mp3). These formats have limited bandwidth, and thus need compressed formats.

The advent of HDMI made Dolby Digital Live obsolete, because unlike digital toslink or coax, it's bandwidth is high enough to transport multichannel sound fully uncompressed to a decoder/receiver.

Hdmi and legacy digital formats like toslink and coaxial are just transports (like a highway) that carries digital audio signal to a decoder, where the digital signal is converted to analog, then amplified to the speakers. In 6 channel direct mode, your sound card is doing the decoding work--converting the digital signal to analog.

TL;DR : No you aren't supposed to hear DDL through 6 channel
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post #3 of 3
Thread Starter 
Thank you! Very informative. smile.gif Rep'd.
Apollo
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Project Greyscale
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Zeus
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CPUMotherboardGraphicsRAM
Intel Core i7-5930K Asus Sabertooth X99 ASUS GeForce GTX 1080 8GB ROG STRIX  Corsair Vengeance 32GB (4x8GB) DDR4 3000 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 EVO 500GB Samsung 850 EVO 1TB Samsung SH-224BB CM Hyper 212 EVO 
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Windows 8.1 x64 Pro Asus PB278Q (1440p) Gigabyte Aivia Osmium (Cherry Red) Corsair AX850 
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Cooler Master HAF X Gigabyte Aivia Krypton Razer Goliathus Extended Speed Edition Realtek ALC1150 8-Channel + Logitech z906 + Sam... 
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i7-4790K EVGA Z97 Classified EVGA GTX 780Ti EVGA GTX 780Ti 
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Dominator Platinum Spinpoint F3 Spinpoint F3 510 Series 
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Windows 8.1 x64 Pro Asus PB278Q (1440p) Gigabyte Aivia Osmium Corsair AX850 
CaseMouseMouse PadAudio
CM 690II Gigabyte Aivia Krypton Razer Goliathus Extended Speed Edition Realtek ALC889 + Logitech z906 + Samson SR850 
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Apollo
(16 items)
 
Project Greyscale
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Zeus
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CPUMotherboardGraphicsRAM
Intel Core i7-5930K Asus Sabertooth X99 ASUS GeForce GTX 1080 8GB ROG STRIX  Corsair Vengeance 32GB (4x8GB) DDR4 3000 
Hard DriveHard DriveOptical DriveCooling
Samsung 850 EVO 500GB Samsung 850 EVO 1TB Samsung SH-224BB CM Hyper 212 EVO 
OSMonitorKeyboardPower
Windows 8.1 x64 Pro Asus PB278Q (1440p) Gigabyte Aivia Osmium (Cherry Red) Corsair AX850 
CaseMouseMouse PadAudio
Cooler Master HAF X Gigabyte Aivia Krypton Razer Goliathus Extended Speed Edition Realtek ALC1150 8-Channel + Logitech z906 + Sam... 
CPUMotherboardGraphicsGraphics
i7-4790K EVGA Z97 Classified EVGA GTX 780Ti EVGA GTX 780Ti 
RAMHard DriveHard DriveHard Drive
Dominator Platinum Spinpoint F3 Spinpoint F3 510 Series 
Hard DriveHard DriveCoolingCooling
510 Series 320 Series XSPC AX120 XSPC AX360 
CoolingCoolingCoolingOS
XSPC AX240 EK Supremacy EK FC780 GTX Ti WIndows 8.1 
OSMonitorPowerCase
OS X 10.9.3 Yamaski Catleap 120Hz HCP-1200 Air 540 
MouseMouse PadAudioAudio
Razer Deathadder Table Avid Fast Track Duo HiFIMan HE-400 
CPUMotherboardGraphicsRAM
AMD FX-8120 @4.5GHz GIGABYTE GA-990FXA-UD7 GIGABYTE Radeon RX 460 G.SKILL Sniper 1600MHz 2x4GB 
Hard DriveHard DriveOptical DriveCooling
Crucial 64GB m4 1TB WD Black Samsung SH-224BB CM Hyper 212+ 
OSMonitorKeyboardPower
Windows 8.1 x64 Pro Asus PB278Q (1440p) Gigabyte Aivia Osmium Corsair AX850 
CaseMouseMouse PadAudio
CM 690II Gigabyte Aivia Krypton Razer Goliathus Extended Speed Edition Realtek ALC889 + Logitech z906 + Samson SR850 
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Overclock.net › Forums › Components › Sound Cards and Computer Audio › Am I supposed to hear Dolby Digital Live through 6-channel direct cable?