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iBasso DX90. Dual Sabre, 1st page: Downloads, info & instructions- New dac software! & 2.1.5 FW.... - Page 477

post #7141 of 9320

I am currently on ver 2.1 i got from ibasso site. Can I go to the international 2.1 using the rkbatchtool? Does this wipe my contents on my sd card when I change FW?

post #7142 of 9320

When I try flash the international 2.1 firmware I get a "check chip fail" error in rkbatchtool, I'm pressing "upgrade" by the way. Should I be doing something different? I'm just following the same steps I used to upgrade firmware before but its not working for me this time :(

post #7143 of 9320
Quote:
Originally Posted by SyedZ2ez4 View Post

I am currently on ver 2.1 i got from ibasso site. Can I go to the international 2.1 using the rkbatchtool?
I never used rkbatchtool. I always flash firmware from the player menu, or from recovery mode, if I need to update firmware from SD card.

By the way, flashing my mod from stock 2.1.0 and back even does not require subsequent factory reset, because the differences between them don't rely on any data files in the internal storage.
Edited by Lurker0 - 7/20/14 at 5:05am
post #7144 of 9320
Quote:
Originally Posted by SyedZ2ez4 View Post
 

finally my dx90 just arrived. current firmware is 2.0.0. Anything I should know before upgrading? Should I upgrade it?

 

I would burn in first with 2.0 for 100 hours or more and then just listen to the music on the 2.0 before FW updating. For me 2.0 is a class better than 2.1 in terms of musicality, resolution, sound is fuller, richer. I've just downgraded to 2.0 because of dull sound of 2.1 (here is my post). But it may depend on the headphones or your personal preferences.


Edited by athmospheric - 7/20/14 at 5:05am
post #7145 of 9320
Quote:
Originally Posted by jj69 View Post

Quote:
Originally Posted by doctorjazz View Post

Sound is really fine to my ears. Wondering what the benefits of Rockboxing are here

If you've ever had the chance compare a DX50 with and without Rockbox, you would know the answer. 


Ahhhh, but since I don't, could you enlighten this ignorant fellow?
post #7146 of 9320
Quote:
Originally Posted by athmospheric View Post
 

 

I would burn in first with 2.0 for 100 hours or more and then just listen to the music on the 2.0 before FW updating. For me 2.0 is a class better than 2.1 in terms of musicality, resolution, sound is fuller, richer. I've just downgraded to 2.0 because of dull sound of 2.1 (here is my post). But it may depend on the headphones or your personal preferences.

When I first got my dx90 a few days ago, I rushed updated it to 2.1 and never tried the 2.00. Thats rookie of me I know. But since I am already at ver 2.1, how do I get back to 2.0.0? Should I just use rkbatchtool like am upgrading or Put the 2.0.0 file on my sd card and just flash it from the SD card from recovery mode? Would this wipe all my music contents on my sd card? I want to know this bit first before doing

post #7147 of 9320
Quote:
Originally Posted by SyedZ2ez4 View Post
 

I am currently on ver 2.1 i got from ibasso site. Can I go to the international 2.1 using the rkbatchtool? Does this wipe my contents on my sd card when I change FW?

 

Quote:
Originally Posted by T.R.A.N.C.E. View Post
 

When I try flash the international 2.1 firmware I get a "check chip fail" error in rkbatchtool, I'm pressing "upgrade" by the way. Should I be doing something different? I'm just following the same steps I used to upgrade firmware before but its not working for me this time :(


Try hitting switch 1st. Had that happen once and hit switch for kicks and it worked on next attempt. May be coincidence but shouldn't hurt. Of course, you can always update as iBasso recommends with the update function on the player itself.


Edited by goodvibes - 7/20/14 at 5:44am
post #7148 of 9320
Quote:
Originally Posted by Lurker0 View Post


I never used rkbatchtool. I always flash firmware from the player menu, or from recovery mode, if I need to update firmware from SD card.

By the way, flashing my mod from stock 2.1.0 and back even does not require subsequent factory reset, because the differences between them don't rely on any data files in the internal storage.


I suspected as much but it wont hurt either. Still curious why it won't update from the tool. I have loaded it and it's certainly not worse sounding. I don't notice any functional difference and that's a good thing.

post #7149 of 9320

Ok I tried the international variant. I put the file on internal memory and updated from the ibasso device itself. How do I know its successful? Because system info ofcuz will still show 2.1 lol I think I can hear a diff in sound. I have been listening to one particular song that I like I thought it sounded alot clearer, better details. Please tell me am not crazy.

post #7150 of 9320
Quote:
Originally Posted by borrego View Post
Now I just hope Lurker will release a FW2.0.5 equivalence of his great work.

I don't want to do it. Below is a long explanation.

 

I don't like any kind of software processing. In hardware, I don't like equalizers and other "beautifizers". I prefer bit perfect playback of digital content, when the quality of the sound mostly depend on the hardware. This way, an ultimate recording sounds ultimate, a good recording sounds good, a bad recording sounds bad.

 

I never tried the original 2.0.0 firmware. I've flashed 2.0.5 as the frist step after unboxing. Then I ran a test to check if DX90 is bit perfect, which succeeded. Same with 2.1.0.

 

The test is quite simple, I use it over past 10 years with sound cards, and I wonder why other people don't use it. I connected DX90 S/PDIF to my pre-pro (Onkyo PR SC-5509), and played back a flac track from a DTS Audio CD rip. The processor has detected DTS stream and has decoded it into 5.1 sound. But only if EQ is turned off. Because DX90 software treats DTS-encoded stream as a usual PCM sound data, it would alter it the same way as any other music records, if it alters sound bit stream either way. But the fact that the processor decodes DTS stream flawlessly, exactly means that DX90 player outputs sound stream unaltered, if EQ is turned off. This is called bit perfect playback :)

 

Now you might wonder what if the player has two different, parallel, paths for output to DAC and to S/PDIF... I'm sure it hasn't. To confirm that, I even looked into MangoPlayer in a disassembler (IDA).

 

Now, bearing in mind that both 2.0.5 and 2.1.0 are bit perfect, what is the difference between them? There are two:

  1. Changes in MangoPlayer to fix playback order of files and tracks in CUE sheet (that's what I asked them for ;)).
  2. Removed 5 libraries from system/lib/soundfx.

 

The #2 is the most questionable change. Well, probably I have to tell you that I'm professional programmer for past almost 30 years, involved into mobile and embedded platforms since 1995, and for past 4 years Android is one of the platforms I work with. That's to avoid speculations about my experience.

 

The soundfx filters are not used by MangoPlayer. They can be used only by Android sound path, but MangoPlayer does not use Android sound path. I've read Android programmer's documentation on those filters, and I'm pretty sure they are not used. Moreover, with 2.0.5, I tried to delete the core Android sound files, and it changed nothing: MangoPlayer continued working.

 

So why iBasso decided to delete them? In my opinion, to stop speculations floating around.

 

Why somebody hear different "sound signatures" of different firmware versions? It is up to them. I do understand that there are different "sound signatures" depending on temperature, humidity, time of the day, day of the week, mood, tiredness, how good/bad IEMs inserted etc. etc.etc. That's why I said in comments to "my" firmware that it may change the "sound signature".

 

But hey, all in all, even it is truly confirmed that soundfx files being present, even not used, affect the sound signature, for me it's exactly mean they must be deleted and never put back! Because I like bit perfect sound!

 

If you like to listen not to music but to distortions, wait for RockBox to appear, and you'll have them all :D Frankly, when I was waiting for my DX90, I've read a lot of forums, built RockBox for Android myself to try, had read its sources and decided that this is not the way to go with players like DX90. At least - not for me.

 

By the way: apart for specific test tracks, I didn't listen lossy files of even CD rips on DX90 so far, only hi-res records. That's what I purchased it for.

post #7151 of 9320
From the sound of it (no pun intended) the most obvious change is the fonts from a user pov
post #7152 of 9320

Ok wait nvm, I was changing tips so i guess that was the bigger contributing factor to a diff sound than the fw.

post #7153 of 9320
Quote:
Originally Posted by Wyd4 View Post

From the sound of it (no pun intended) the most obvious change is the fonts from a user pov


Does your experience contradict to the description? :confused: I think I clearly expressed the list of changes!

post #7154 of 9320
Quote:
Originally Posted by Lurker0 View Post


Does your experience contradict to the description? confused.gif I think I clearly expressed the list of changes!

Hey there,
No disrespect was intended. They asked how to tell if the update worked.
The most obvious way to tell would be the fonts. Very visual in your face change.
I have not yet flashed this work of yours, though I intend to tomorrow.

Scott
post #7155 of 9320
Quote:
Originally Posted by SyedZ2ez4 View Post
 

When I first got my dx90 a few days ago, I rushed updated it to 2.1 and never tried the 2.00. Thats rookie of me I know. But since I am already at ver 2.1, how do I get back to 2.0.0? Should I just use rkbatchtool like am upgrading or Put the 2.0.0 file on my sd card and just flash it from the SD card from recovery mode? Would this wipe all my music contents on my sd card? I want to know this bit first before doing

 

I would suggest batch tool -> http://www.ibasso.com/download/DX90-tools.zip

 

Just follow instructions in PDF plus read paragraph If you are having problems loading the batchtool from this post

 

Here you have 2.0 FW: http://www.ibasso.com/download/DX90V2.0.0Apr7th.zip


Edited by athmospheric - 7/20/14 at 6:07am
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