Squeezebox Touch -- Modifications - Page 78 - diyAudio
Go Back   Home > Forums > Source & Line > PC Based

PC Based Computer music servers, crossovers, and equalization

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 2nd October 2012, 02:38 PM   #771
diyAudio Member
 
soundcheck's Avatar
 
Join Date: Mar 2005
Location: D
Quote:
Originally Posted by le´flu View Post
Hi Klaus,



i never opened the SBT but i´m convinced that this point is an important one
to do. What kind of Cap and what capacitance did you use for decoupling?
Do you have any pictures of the tweaked toslink receiver?

One more Question: are there news on devices for the SBS? As i remember
your favorite system is Win7 ? On what kind of PC ? Will USB-harddisk work
fine?

Greetings Ulf
I'm running a Linux server based on Ubuntu-server 12.04 in minimal config and a tailormade 3.4-rt kernel.

I use TT like Linux optimizations ( and some very special tweaks.)

I do also have a special professional 2-port IBM ethernet PCI-e card in place.
I use an MSI board - i5 processor and 8 GB RAM and a 128GB Crucial SSD.
PS is Seasonic X-series 400W fanless. HDDs are WD Green 1T5.

I use that server also for video streaming. Here I'm using Serviio as DLNA server, which works quite well with my Sony Bravia TV.

HDDs are Sata. Backup HDDs are USB.


If you start thinking about servers that also stream Video to your TV, you won't get around a bigger machine. Realtime transcoding requires quite
some horsepowers. Serviio is using all 4 processors to get HiREs down to your TV. -- You can end up with awesome Video quality if you do it right.
Forget Atoms forget NAS. You need a real server if you go streaming. Though I can tell you. That's nothing a beginner would be able to accomplish.

I wrote some scripts to change the server from "video" to "music" mode. For streaming music I can turn down the heating.

I tried J.River 17 on W7 in comparison. ( One partiton on my SSD is W7)

J. River as DLNA server delivers not more than DVD quality to your TV. Unacceptable. I wrote an article about it in the JRMC networking forum. Let see if they manage to improve that in JRMC 18.




Touch:

For decoupling I use OSCON SEPC or Blackgate NP > 220uf and a small 0,1uf. The Toslink connectors I fix with BlueTak like gum to avoid vibrations as much as possible.


Cheers

Last edited by soundcheck; 2nd October 2012 at 02:47 PM.
  Reply With Quote
Old 2nd October 2012, 03:26 PM   #772
le´flu is offline le´flu  Germany
diyAudio Member
 
Join Date: Mar 2004
Location: Hoexter
Hi there Klaus,

reading all that: great job btw. nice system. But iß m not that kind of cable
guy that writes kernels on its own and can do special tweaks.

Is there a computer (small) based system you´d recommend to someone
with the lac of certain skills ? (I just need this server /computer for music
streaming and ripping digital music)

Thanks and Greetings
  Reply With Quote
Old 5th October 2012, 03:17 PM   #773
diyAudio Member
 
soundcheck's Avatar
 
Join Date: Mar 2005
Location: D
Quote:
Originally Posted by le´flu View Post
Hi there Klaus,

reading all that: great job btw. nice system. But iß m not that kind of cable
guy that writes kernels on its own and can do special tweaks.

Is there a computer (small) based system you´d recommend to someone
with the lac of certain skills ? (I just need this server /computer for music
streaming and ripping digital music)

Thanks and Greetings
I can't really make any HW recommendations. There are too many choices. I get lost by myself.

Minimum criterias are a system SSD (Samsung 64GB), 8GB RAM (DDR3).

The server should be as quiet as possible. - My server survives fanless with an i5 at low loads - audio streaming.

PS is Seasonic 400W fanless.

Again -- if you want to do videolike stuff - if not today then maybe in the near future - go for a bigger CPU right away.

I've chosen MSI as MBO because of it's long term reliability promisis and related quality choice of parts - caps in particular.

On the SW side try Windows 8 - Beta + Fidelizer + LMS 7.8.0 nightlys - that'll do.

If money is not the limiting factor, I'd even go for a 256GB SSD (fits 600-800 .flac CDs). You can split up your collection, if you got more CDs. I've seen 256 GB Samsungs for around 150€ over here.
That'll be my next run. Though 500GB would be the final word from my side. That'll get me enough space for the rest of my live. That's why I might gonna wait until next year.

My IBM pro ethernet card I bought used. You find tons of them used out there. I think I paid 10€-20€ or so.

Good luck.

Cheers

Last edited by soundcheck; 5th October 2012 at 03:34 PM.
  Reply With Quote
Old 6th October 2012, 07:15 AM   #774
diyAudio Member
 
soundcheck's Avatar
 
Join Date: Mar 2005
Location: D
Quote:
Originally Posted by Kuro View Post
I'm using the new Legato II USB-S/PDIF converter from AR-T. I'm driving it via SBT+EDO.

It is a battery powered device, and it charges the SLA battery via an external charger when the USB bus is powered down or when the USB link is inactive. I found that when SBT powers down, it does not turn off the USB port. Is there a way to implement a feature in SBT Toolbox such that it powers down the USB port on SBT standby?
That's a typical ACPI task. To activate it would need certain kernel modifications - if the HW supports it at all.
You might check with Triode - the EDO - guy at Squeezebox forums. He is hacking the Touch kernel.

Cheers
  Reply With Quote
Old 6th October 2012, 12:25 PM   #775
diyAudio Member
 
Join Date: Jan 2009
Quick question Soundcheck,

Reading above, I'm thinking I've seen TT40 and TT50 mentioned, guessing they maybe a little specific to your own particular set up, do you think you may get TT40 out for the ones of us that have no idea how to adapt kernals and set up a cool sounding lunx server etc. ?

Many thanks,

By the way, really interesting reading and trying to follow what you have been up to, Thanks for that :-)
  Reply With Quote
Old 19th October 2012, 04:59 AM   #776
diyAudio Member
 
Join Date: Oct 2012
Default Crackling sound with TT 3.0

Dear Soundcheck,

I'm a new SBT user, just install the TT3.0 together with the Enhanced digital output.

When TT3.0 installed with tt -i. the sound of the audio playing start crackling. resume to normal with tt -r.

The I follow another optimization blog to adjust the tt binary script and change the EDO buffer size.
SB Touch Optimisations

Run tt -i again, the crackling gone, but when I run tt -s, it show that the Kernel Modification was disabled.

How can I re-enable the kernel modification?

I really want the TT3.0. sound quality is much more better than the EDO itself even when it's crackling.
  Reply With Quote
Old 20th October 2012, 02:43 AM   #777
Bernie7 is offline Bernie7  Singapore
diyAudio Member
 
Join Date: Dec 2008
I know the SBT specifies 5VDC power, but will 6.6VDC from a LiFePo4 battery pack be too high and damage it?

If so, will it make sense to use a 5V reg (like 7805) after the batteries? Since ac mains noise is eliminated in this arrangement, any reason why not?
  Reply With Quote
Old 20th October 2012, 05:10 AM   #778
le´flu is offline le´flu  Germany
diyAudio Member
 
Join Date: Mar 2004
Location: Hoexter
Hi Bernie7,
cant tell whether 6.6V will damage the SBT but if you want to
feed the 5V regulator with 6.6V the reg. will not work correctly. You should
use minimum 8V as Vin to get 5V stable. But you could use a low drop
regulator, e.g. lt1085

Greetings ulf
  Reply With Quote
Old 20th October 2012, 07:12 AM   #779
diyAudio Member
 
soundcheck's Avatar
 
Join Date: Mar 2005
Location: D
Quote:
Originally Posted by Bernie7 View Post
I know the SBT specifies 5VDC power, but will 6.6VDC from a LiFePo4 battery pack be too high and damage it?

If so, will it make sense to use a 5V reg (like 7805) after the batteries? Since ac mains noise is eliminated in this arrangement, any reason why not?

There's a DC/DC converter inside the Touch. That lifts the 5V further up ( to 9V if I recall it correctly). It'll depend on the specs of that converter if it
works.

Though I don't think it is a good idea to run on LiPoFe. The required capacity should be IMO 10Ah since the Touch draws quite some current.

I think a better idea would be to selectively apply those batteries inside.
  Reply With Quote
Old 20th October 2012, 12:52 PM   #780
Bernie7 is offline Bernie7  Singapore
diyAudio Member
 
Join Date: Dec 2008
Good point ulf, on using the LT1085 reg.

Soundcheck, good suggestions but not keen to hack my brand new unit for now...I'm presently using a simple linear 317 reg supply for my SBT and it works without a hitch. The 317 is spec'd to 1.5A max although the stock smps is rated 3A. Power meter check indicates 3-4W drain, so maybe 4 hrs running on 3000mAH LiFePo.

Last edited by Bernie7; 20th October 2012 at 12:57 PM.
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
question to Squeezebox Touch users Martin Prothero PC Based 50 13th August 2010 10:27 PM
Which PS for Squeezebox Touch upgrade? Twisted Pear Placid, or AMB σ11? orpheus PC Based 8 4th June 2010 09:52 AM
Squeezebox Receiver Modifications jkeny Digital Source 3 12th March 2010 08:22 AM
Finish of the speaker, the final touch.. thanx Multi-Way 3 20th November 2007 03:12 AM
Squeezebox 3 I_Forgot Digital Source 0 3rd January 2006 03:16 PM


New To Site? Need Help?

All times are GMT. The time now is 07:54 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright ©1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2