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callesoroe
2010-09-28, 13:19
Hi!

I can see this in the Beta section regarding Transporter(7.6)

"(Transporter) audr command to change the AK4396 rolloff filter "

What does this function do??

bhaagensen
2010-09-28, 14:27
Hi!

I can see this in the Beta section regarding Transporter(7.6)

"(Transporter) audr command to change the AK4396 rolloff filter "

What does this function do??

Essentially, changes to a less steep ouput-filter. This obviously only has an effect for those using the analouge outputs... See also:

http://forums.slimdevices.com/showthread.php?t=76763&highlight=slow+roll

bhaagensen
2010-09-28, 14:37
Oh, and by the way - its a user setting with the same default as the current production firmware uses - i.e. the sharp filter.

callesoroe
2010-09-29, 05:21
Oh, and by the way - its a user setting with the same default as the current production firmware uses - i.e. the sharp filter.

Thanks. Very interesting. I look forward to 7.6 to try it out. Exiting if there is audible differences in my system.

Mnyb
2010-09-29, 05:54
Thanks. Very interesting. I look forward to 7.6 to try it out. Exiting if there is audible differences in my system.

But don't you use a TacT digital preamp ? it's a filter on the DAC so it does only affect the analog out ? or are conecting via analog to the TacT ?

callesoroe
2010-09-29, 08:30
But don't you use a TacT digital preamp ? it's a filter on the DAC so it does only affect the analog out ? or are conecting via analog to the TacT ?

No. I am in fact using The Transporter in a digital loop, so I am using The Tact as pre-amp and roomcorrection, and then digital loop returning to The Transporter. I am doing this because I think the DAC in The Transporter sounds best.

Mnyb
2010-09-29, 08:38
No. I am in fact using The Transporter in a digital loop, so I am using The Tact as pre-amp and roomcorrection, and then digital loop returning to The Transporter. I am doing this because I think the DAC in The Transporter sounds best.

Cool

perose
2010-10-13, 13:10
I would love for the Transporter 84 firmware to make it into the 7.5.2 version of SBS which is pretty stable. I gave the 7.6 beta a spin so that I could get this feature and didn't have a lot of success.

Archimago
2010-10-23, 10:36
I would love for the Transporter 84 firmware to make it into the 7.5.2 version of SBS which is pretty stable. I gave the 7.6 beta a spin so that I could get this feature and didn't have a lot of success.

Agree with this as well... Looks like a simple switch and unlikely to introduce any extra hassle into 7.5.2 stability. Maybe someone with the technical know-how can compile a Transporter version of the latest 7.5.2 but ideally nice to be incorporated officially.

7.6 currently functioning AWEFULLY on my Windows SBS and doesn't scan properly.

michael123
2010-10-23, 11:20
Agree with this as well... Looks like a simple switch and unlikely to introduce any extra hassle into 7.5.2 stability. Maybe someone with the technical know-how can compile a Transporter version of the latest 7.5.2 but ideally nice to be incorporated officially.

7.6 currently functioning AWEFULLY on my Windows SBS and doesn't scan properly.

I managed to run 7.6, but some annoying bugs drive me crazy..
Interesting, that performance-wise, I find 7.6 better (less re-buffering, less lock-ups, faster scans)

SuperQ
2010-10-23, 15:04
I managed to run 7.6, but some annoying bugs drive me crazy..
Interesting, that performance-wise, I find 7.6 better (less re-buffering, less lock-ups, faster scans)

If you can reproduce bugs, please go file them on bugs.slimdevices.com. The more people who file bugs about issues the faster 7.6 can get fixed and released. :)

Archimago
2010-10-23, 21:01
I managed to run 7.6, but some annoying bugs drive me crazy..
Interesting, that performance-wise, I find 7.6 better (less re-buffering, less lock-ups, faster scans)

You're fortunate, Michael. For some reason 7.6 gets stuck with the album art scanning on me :-(.

michael123
2010-10-23, 21:15
If you can reproduce bugs, please go file them on bugs.slimdevices.com. The more people who file bugs about issues the faster 7.6 can get fixed and released. :)

http://forums.slimdevices.com/showthread.php?t=82266

michael123
2010-10-23, 21:16
You're fortunate, Michael. For some reason 7.6 gets stuck with the album art scanning on me :-(.

Are you working with SQLite?
Did you disable automatic scanning?

Archimago
2010-10-24, 23:49
Are you working with SQLite?
Did you disable automatic scanning?

Yeah, I tried both SQLite and MySQL... Also turned off the auto scanning. Even when I got a partial library scanned, I noticed it had problems with SqueezePlay I had running on the Mac :-(.

This was about 3 weeks ago so maybe newer versions are better. Anyhow, I'll wait for more stability before I spend time on 7.6 again. The only thing tempting is to play with the Transporter filter setting :-).

michael123
2010-10-25, 00:04
Then I indeed was lucky...
This beta is a whole mystery to me..

slate
2010-10-25, 00:29
For some reason 7.6 gets stuck with the album art scanning on me :-(.

About a month back some improvements/redesign were made in the artwork handling http://forums.slimdevices.com/showthread.php?t=82087 ; but it have since been found that it have problems with embedded artwork http://forums.slimdevices.com/showthread.php?t=82585

So if you tried with a build older than 7.6.0 - r31354 then that could be your problem.... but there could also be other problems....

If you want to work a little on this you should open your own thread in the beta section. Describe your setup; hardware, software version and provide logfiles.

earwaxer9
2010-10-25, 16:40
I just got the 7.6.0 and firmware 84 up and rolling. I may be "expecting" an improvement. No doubt. It sounds frickin great on first blush. I little buggy for sure right now! Took me a few trys and uninstalls. Blues piano sounds awesome! More analog. More later.

earwaxer9
2010-10-25, 16:53
The 84 forces me to take some time before installing my ELNA electrolytics. They should be here tomorrow! I'm liking what I hear! Analog. I find I am cranking it more. Not sure what thats about. It just sounds clean.

Robin Bowes
2010-10-25, 17:05
On 26/10/10 00:53, earwaxer9 wrote:
>
> The 84 forces me to take some time before installing my ELNA
> electrolytics. They should be here tomorrow! I'm liking what I hear!
> Analog. I find I am cranking it more. Not sure what thats about. It
> just sounds clean.

Did you change any settings, other than installing the new firmware?

R.

--
"Feed that ego and you starve the soul" - Colonel J.D. Wilkes
http://www.theshackshakers.com/

earwaxer9
2010-10-26, 09:20
On 26/10/10 00:53, earwaxer9 wrote:[color=blue]
>

Did you change any settings, other than installing the new firmware?

R.

--
"Feed that ego and you starve the soul" - Colonel J.D. Wilkes
http://www.theshackshakers.com/

Nope - made sure the volume control was defeated - kept all the old settings

Robin Bowes
2010-10-26, 14:53
On 26/10/10 17:20, earwaxer9 wrote:
>
> Robin Bowes;585073 Wrote:
>> On 26/10/10 00:53, earwaxer9 wrote:[color=darkred]
>>>
>>
>> Did you change any settings, other than installing the new firmware?
>>
>
> Nope - made sure the volume control was defeated - kept all the old
> settings
>

OK, so do you realise that the only difference between firmware 84 and
the previous version is the addition of the DAC Roll-off Filter option,
which is set to the previously used value by default.

If you didn't change that setting then the firmware you have just
enthused about is exactly the same as the previous firmware.

You expected to hear a difference, so you did. Only there was no
difference, because there was no change.

Ladies & gentlemen, I give you a prime example of expectation bias!

R.
--
"Feed that ego and you starve the soul" - Colonel J.D. Wilkes
http://www.theshackshakers.com/

JJZolx
2010-10-26, 16:37
OK, so do you realise that the only difference between firmware 84 and
the previous version is the addition of the DAC Roll-off Filter option,
which is set to the previously used value by default.

If you didn't change that setting then the firmware you have just
enthused about is exactly the same as the previous firmware.

I'm not sure that's quite true. The previous firmware was version number 80, which would mean that there were at least three other changes checked in between the two. How significant the others are, I don't know.

There was this change, which I think is in the 84 firmware:

http://bugs.slimdevices.com/show_bug.cgi?id=15693

earwaxer9
2010-10-26, 16:55
On 26/10/10 17:20, earwaxer9 wrote:[color=blue]
>


You expected to hear a difference, so you did. Only there was no
difference, because there was no change.

Ladies & gentlemen, I give you a prime example of expectation bias!

R.l]
--
"Feed that ego and you starve the soul" - Colonel J.D. Wilkes
[url]http://www.theshackshakers.com/[/ur

Ok - good point - I did experiment with the sharp and slow filter. Not much of a difference. I think I like the slow filter better. The sound - in general is better - IMHO

Robin Bowes
2010-10-26, 16:57
On 27/10/10 00:55, earwaxer9 wrote:
>
> Robin Bowes;585236 Wrote:
>> On 26/10/10 17:20, earwaxer9 wrote:[color=darkred]
>>>
>>
>>
>> You expected to hear a difference, so you did. Only there was no
>> difference, because there was no change.
>>
>> Ladies & gentlemen, I give you a prime example of expectation bias!
>>
>> R.l]
>> --
>> "Feed that ego and you starve the soul" - Colonel J.D. Wilkes
>> [url]http://www.theshackshakers.com/[/ur
>
> Ok - good point - I did experiment with the sharp and slow filter. Not
> much of a difference. I think I like the slow filter better. The sound
> - in general is better - IMHO

I couldn't hear any difference between the two, but I've not done
extensive listening.

R.
--
"Feed that ego and you starve the soul" - Colonel J.D. Wilkes
http://www.theshackshakers.com/

Robin Bowes
2010-10-26, 17:01
On 27/10/10 00:37, JJZolx wrote:
>
> Robin Bowes;585236 Wrote:
>>
>> OK, so do you realise that the only difference between firmware 84 and
>> the previous version is the addition of the DAC Roll-off Filter
>> option,
>> which is set to the previously used value by default.
>>
>> If you didn't change that setting then the firmware you have just
>> enthused about is exactly the same as the previous firmware.
>
> I'm not sure that's quite true. The previous firmware was version
> number 80, which would mean that there were at least three other
> changes checked in between the two. How significant the others are, I
> don't know.
>
> There was this change, which I think is in the 84 firmware:
>
> http://bugs.slimdevices.com/show_bug.cgi?id=15693

The documented changes between 80 and 84 Transporter firmware are:

#3932 - (Transporter) Discrete IR codes for power_on, power_off and
digital_inputs
#4682 - Send WOL while in connecting state and receiving discrete
power_on IR code
#15693 - (Transporter) Fix for spurious AC voltage readings
#16442 - (Transporter) audr command to change the AK4396 rolloff filter

Of those, only the rolloff filter is audio-related.

R.

--
"Feed that ego and you starve the soul" - Colonel J.D. Wilkes
http://www.theshackshakers.com/

earwaxer9
2010-10-26, 17:10
my impression of the slow filter - a bit more mids. Less harshness in the highs. More noticeable going from sharp to slow, than slow to sharp. Kind of fun because you can really A/B it! The ribbons in my Maggies will make your ears bleed if you feed them crap. Magnepan sends "attenuators" for the tweeters to try to make their speakers more "user friendly" for the average crappy stereo. No attenuators used here - its all there.

earwaxer9
2010-10-27, 16:28
On 27/10/10 00:37, JJZolx wrote:
>
> Robin Bowes;585236 Wrote:
>>
>> OK, so do you realise that the only difference between firmware 84 and
>> the previous version is the addition of the DAC Roll-off Filter
>> option,
>> which is set to the previously used value by default.
>>
>> If you didn't change that setting then the firmware you have just
>> enthused about is exactly the same as the previous firmware.
>
> I'm not sure that's quite true. The previous firmware was version
> number 80, which would mean that there were at least three other
> changes checked in between the two. How significant the others are, I
> don't know.
>
> There was this change, which I think is in the 84 firmware:
>
> http://bugs.slimdevices.com/show_bug.cgi?id=15693

The documented changes between 80 and 84 Transporter firmware are:

#3932 - (Transporter) Discrete IR codes for power_on, power_off and
digital_inputs
#4682 - Send WOL while in connecting state and receiving discrete
power_on IR code
#15693 - (Transporter) Fix for spurious AC voltage readings
#16442 - (Transporter) audr command to change the AK4396 rolloff filter

Of those, only the rolloff filter is audio-related.

R.

--
"Feed that ego and you starve the soul" - Colonel J.D. Wilkes
http://www.theshackshakers.com/


Funny - how buggy it is with only a few "minor" changes! I'm a programmer myself. The code should work basically the same with only a few changes.

earwaxer9
2010-10-27, 16:54
Dudes - I still really like the new firmware - sound - In the past when new buggy issues came out I switched back right away. I dont have any album art. I dont care. It sounds frickin great.

andyg
2010-10-27, 16:55
What bugs in the firmware are you referring to?

earwaxer9
2010-10-27, 16:59
I only have album art on the DVD's that I ripped to audio. I added the album art manually. I have not really "played" with it, because I just want to listen to it first! I like what I hear. It seemed funky when I was "updateing" my library. Kind of hung up. I think I have most of it.

andyg
2010-10-27, 16:59
OK, none of those things are related to the firmware though. :)

earwaxer9
2010-10-27, 17:01
thanks

Robin Bowes
2010-10-27, 17:58
On 28/10/10 00:28, earwaxer9 wrote:
>
> Funny - how buggy it is with only a few "minor" changes! I'm a
> programmer myself. The code should work basically the same with only a
> few changes.

As a programmer,you should be familiar with the difference between
"firmware" and "software". The firmware is the low-level stuff that is
written to EPROM inside the Transporter itself. It is not open-source.
That is what I'm talking about.

R.
--
"Feed that ego and you starve the soul" - Colonel J.D. Wilkes
http://www.theshackshakers.com/

earwaxer9
2010-10-28, 06:53
firmware and software have to work together - they have to change together to work.

Phil Leigh
2010-10-28, 06:55
firmware and software have to work together - they have to change together to work.

Not always. depends if there has been a change that impacts the "API" between them...

Robin Bowes
2010-10-28, 07:04
On 28/10/10 14:53, earwaxer9 wrote:
>
> firmware and software have to work together - they have to change
> together to work.

Statement one: true

Statement two: false.

You can use firmware 84 with earlier versions of the SqueezeboxServer
software if you know how.

R.
--
"Feed that ego and you starve the soul" - Colonel J.D. Wilkes
http://www.theshackshakers.com/

Archimago
2010-10-30, 12:03
Running the 84 firmware here on 7.5.2... wishing someone could just hack that filter setting into this for a quick compile before 7.6 is stable enough. Pretty please??? :-)


On 28/10/10 14:53, earwaxer9 wrote:
>
> firmware and software have to work together - they have to change
> together to work.

Statement one: true

Statement two: false.

You can use firmware 84 with earlier versions of the SqueezeboxServer
software if you know how.

R.
--
"Feed that ego and you starve the soul" - Colonel J.D. Wilkes
http://www.theshackshakers.com/

alekz
2010-11-09, 11:15
Is it possible to make a plugin for 7.5.2?

ManfredK2
2010-11-12, 03:48
My Transporter installed today a new firmware. It is now possible to switch the DAC roll-off filter from sharp to slow. Look at Player -> Audio

alekz
2010-11-12, 04:59
My Transporter installed today a new firmware. It is now possible to switch the DAC roll-off filter from sharp to slow. Look at Player -> Audio

In 7.5.2 or 7.6?

ManfredK2
2010-11-12, 05:04
7.6 Nightly

Oh, i see that is not new...i installed a second SBS-server today and got FW 84

earwaxer9
2010-11-26, 21:21
6 stopped finding my library. Had to go back to 7.5.1.

earwaxer9
2011-01-10, 17:57
I had to do a COMPLETE uninstall to get 7.6 to find all of my library. No probs now. Still album art problems - I can live with that.

callesoroe
2011-01-11, 14:56
Hi!

I can see this in the Beta section regarding Transporter(7.6)

"(Transporter) audr command to change the AK4396 rolloff filter "

What does this function do??

Has anyone tried to play with the sharp and slow rolloff filters???
I could not live with the unstability with 7.6 so I went back to 7.5.1

bhaagensen
2011-01-11, 18:19
Fellows, did you check this thread?

http://forums.slimdevices.com/showthread.php?t=76763&highlight=rolloff+akm

Also, I believe a couple of ninja-tricks are called for when running 7.6 on MSWindoz? For me, its been close to rock solid for months on Linux.

earwaxer9
2011-01-12, 07:51
Has anyone tried to play with the sharp and slow rolloff filters???
I could not live with the unstability with 7.6 so I went back to 7.5.1

I have noticed a smoother sound with the 7.6 (or is it the updated firmware?). I have been back and forth several times from 7.5 to 7.6 due to flakiness with the beta. I keep wanting to give it another shot due to what a perceive as differences in sound. I particularly like the slow filter. Less "up front" sound than the fast filter. Not huge. I guess less of an emphasis on the mids. Dont know. I just switched out my speaker caps for some Ampohms PIO. Bigger change in mids with that change. I found that 7.6 is more stable with a fresh install - preferences and all.