for the Computer Audiophile · 2014. 11. 2. · “Voodoo-ism” Challenges. The iTunes Problem No...
Transcript of for the Computer Audiophile · 2014. 11. 2. · “Voodoo-ism” Challenges. The iTunes Problem No...
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Linux for the
Computer Audiophile
October 31 to November 2, 2014
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Ran Perry
Music Lover, Sane Audiophile, Linux Geek, CTO,
Open Source Supporter
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www.gtaaudio.com
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Audiophiles are not computer-philes
Limited exposure at audio shows & magazines
“Voodoo-ism”
Challenges
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The iTunes Problem
No support for FLAC, OGG, DSF, DFF, Opus
Terrible tagging, Memory hog
Requires 3rd party add-ons to work properly
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The Direct Access Problem
ASIO - Steinberg developed the Audio Stream Input/Output (ASIO) architecture to create a low
latency, high performance with direct access interface.
No need for ASIO in LinuxIt's proprietary as well....
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The Bit-Perfect Problem
How can I tell if my OS plays Bit-Perfect
audio?
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The Latency Problem
How can I ensure that my audio is getting real time
priorities?
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The 3rd Party Driver Problem
OSX - Mavericks
Broke
3rd party proprietary drivers
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The Desktop / Laptop Problem
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Power Supply
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Screen
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What is Linux?
An open-source operating system
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Tesla Model S
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What Linux
can do forus?
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Google search returns 468,000 results for “audiophile linux”
That is a good start
:-)
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USB Audio
USB Audio Class 1 standard (1998)24 bits/96 kHz max
USB Audio Class 2 standard (2009)32 bits/384 kHz max
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Android
Android Lollipop will support UAC 2.0
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Native support
32 bits / 384 kHz (UAC 2.0)
Linux goes up to 768kHz
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DSD 512
DoP DSD256
DoP – DSD Over PCM
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ALSA
Advanced Linux Sound Architecture
http://www.alsa-project.org/
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Architecture
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JACK
Jack Audio Connection Kit
http://jackaudio.org/
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PulseAudio
http://www.freedesktop.org/wiki/Software/PulseAudio/
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Audiophile Linux
http://www.ap-linux.com/
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Daphile
http://www.daphile.com/
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VortexBox
http://vortexbox.org/
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Voyage MPD
http://linux.voyage.hk/voyage-mpd
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Prediction
The Desktop / Laptop will eventually disappear from the
serious audiophile's system
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Embedded Systems
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Raspberry Pi
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BeagleBone
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ConsumerStreamers & Music Servers
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Aurender
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Bryston
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Auralic Aries
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AuraNAS
“From the start we felt it was critical that the auraNAS® be a deliberate product and we knew we could not use a general
purpose closed OS. We started with a minimal Linux instance and added in only the required functionality and nothing more.”
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Wyred4Sound
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Weiss
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Demo
Direct Hardware Access
Apps
DACS
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Questions?
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