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Topic: Nero Digital Audio+ 1.0.7.0 released (Read 32098 times) previous topic - next topic
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Nero Digital Audio+ 1.0.7.0 released

A new version of the Nero Digital Audio+ package has been released on http://www.nerodigital.com/

The package can be downloaded here: http://www.nero.com/nerodigital/eng/down-ndaudio.php

Changes since previous version:

neroAacEnc.exe:
    - Quality tuning for some bitrates
    - Added support for 16 and 22.05 kHz samplerates for HE AAC
    - Fixed HE AAC configuration problems for 5.1 files (at q=0.0)
    - Temporary file handling fixed on Windows Vista
    - Various speed optimisations

neroAacDec.exe:
    - Small speedups
    - Reduced memory usage

neroAacTag.exe
    - No changes

Nero Digital Audio+ 1.0.7.0 released

Reply #1 –
Thanks for this. BTW, Release Notes on your download page still reflect 1.0.0.2 release. Thanks again.

Nero Digital Audio+ 1.0.7.0 released

Reply #2 –
Nero Digital Audio+ make me surprised.

Nero Digital Audio+ 1.0.7.0 released

Reply #3 –
Sounds interesting, I like encoding using your AAC codec for my mobile phone. Keep up the great work!

Nero Digital Audio+ 1.0.7.0 released

Reply #4 –
Thanks, glad to see there's development! Nero aac is my 2nd codec of choice. 2nd only, because I often need lossless cutting as with mp3directcut which I can't have in aac unfortunately yet...

Nero Digital Audio+ 1.0.7.0 released

Reply #5 –
Quote from: menno on
Changes since previous version:

neroAacEnc.exe:
    - Quality tuning for some bitrates


Which bitrates? Give us some more info, please.

Nero Digital Audio+ 1.0.7.0 released

Reply #6 –
Thx for the update.
Allegari nihil et allegatum non probare, paria sunt.

Nero Digital Audio+ 1.0.7.0 released

Reply #7 –
Thanks menno.

Unfortunately, the iTunes/iPod gapless playback issue has not yet been resolved. I downloaded the new version of the package and tested it out with a couple of segueing songs--still no gapless playback in iTunes.

Nero Digital Audio+ 1.0.7.0 released

Reply #8 –
Yeah, Menno,  I'm sure you're probably tired of hearing about it, but what is the status of the iTunes gapless issues with Nero-encoded AAC files?  Is it something you can fix, or is it something that Apple will have to address?

Any reply from you or someone else on the dev team would be greatly appreciated, if only to nip the question in the bud. 

- h.

Nero Digital Audio+ 1.0.7.0 released

Reply #9 –
-q 0.3 gives variable bitrate average at approx. 80 kbits
-q 0.3 -lc gives 128

is it ok? if it's  then would it be normal to use something like -q 0.2 -lc (should give approx 80 ) to compare it to abr -br 80000 for  LC 80 kbit/s ABR vs VBR blind test?

Thank you.

Nero Digital Audio+ 1.0.7.0 released

Reply #10 –
Quote from: IgorC on
-q 0.3 gives variable bitrate average at approx. 80 kbits
-q 0.3 -lc gives 128

is it ok?

Oh no, not this discussion again.

To address your question, I'm rather certain that this is normal and expected behavior, and you should use a lower quality setting to achieve ~80 kbps with the -lc switch.

Nero Digital Audio+ 1.0.7.0 released

Reply #11 –
Is there how to add tags with EAC or just can be add tags to the file with the comand-line?
Sorry for my bad english.

Nero Digital Audio+ 1.0.7.0 released

Reply #12 –
Quote from: me7 on
Quote from: menno on

Changes since previous version:

neroAacEnc.exe:
    - Quality tuning for some bitrates


Which bitrates? Give us some more info, please.

I'm encode a lot of music with both versions [1.0.7.0 and 1.0.2.0] and all them are bit identical, just see an very apreciated increase on speed of encoding.I Will Encode from now on with this version, wasting less time to the job.  This is an good improvement, I Just Want to See The Function "Tagging" in the encoder, this will be very usefull, nothing of "neroaactag.exe" with that borings comand-line, i sometimes think to stick for ogg but mp4 sound better at the range ~32 to ~112 to me.
Sorry for my bad english.

Nero Digital Audio+ 1.0.7.0 released

Reply #13 –
Regarding the quality tunings, this should be all HE AAC bitrates between 56 and 72 kbps. These tunings take a lot of time, we hope to give you some more in the next release.

Regarding the iTunes gapless stuff, this is not included, I have no idea if it will be in any next version.

Nero Digital Audio+ 1.0.7.0 released

Reply #14 –
That's good somebody is still working on encoders
Thanks !

Nowdays, with mobile phones and streaming, he-aac became interesting option, I think.

Nero Digital Audio+ 1.0.7.0 released

Reply #15 –
Thanks for the update, menno.  Been enjoying the new release so far.

Nero Digital Audio+ 1.0.7.0 released

Reply #16 –
This may be slightly OT but this codec sounds too amazing at 64 kbps for there not to be any flash DAPs on the market that support it (and I don't mean mobile phones)!  Does anyone know if these will ever make an appearance and, if so, do you have an approximate timeframe?

Nero Digital Audio+ 1.0.7.0 released

Reply #17 –
The problem is the CPU power required to decode HE-AAC. It's much higher than LC-AAC and MP3.

Nero Digital Audio+ 1.0.7.0 released

Reply #18 –
>>The problem is the CPU power required to decode HE-AAC. It's much higher than LC-AAC and MP3.
Seems that you are wrong.
If I remeber correctly, decoding he stream with the same bitrate is a bit more power consuming, but decoding 128Kbit mp3 or aac requires more power than any he aac stream...
Menno, can you comment this ?

Nero Digital Audio+ 1.0.7.0 released

Reply #19 –
Quote from: SirGrey on
If I remeber correctly, decoding he stream with the same bitrate is a bit more power consuming, but decoding 128Kbit mp3 or aac requires more power than any he aac stream...

That's incorrect. Increasing bitrates don't impact power consumption as much as the usage of SBR. Have a look here. Of course these are only four processor examples, which aren't representative for every available AAC decoder, but they're a good starting point to see how much processor power is needed as soon as SBR comes into play.

Edit: I forgot to add that these are full-power examples. They don't apply to the SBR low-power profile.

Nero Digital Audio+ 1.0.7.0 released

Reply #20 –
Quote from: SirGrey on
>>The problem is the CPU power required to decode HE-AAC. It's much higher than LC-AAC and MP3.
Seems that you are wrong.
If I remeber correctly, decoding he stream with the same bitrate is a bit more power consuming, but decoding 128Kbit mp3 or aac requires more power than any he aac stream...
Menno, can you comment this ?


Well, I did some decoding speed test, which should imply how power consuming the decoding process is, and I got the following result. All encoding/decoding tests are done with nero aac encoder v1.0.7.0 and foobar2000 v0.9.4.2

AAC LC                    Q=0.40 decoding speed ~190x realtime
AAC LC + SBR          Q=0.25 decoding speed ~90x realtime
AAC LC + SBR + PS  Q=0.15 decoding speed ~80x realtime

To get a more accurate test I should probably have used the same bit-rate and forced the different modes but I'm in a hurry and I'll do it later if necessary. Anyway from this simple test, it looks like SBR really _is_ taking a lot of cpu cycles unless the actual bit-rate has a huge impact on decoding speed.

/Kef

<edit>
I did the same test again but now at the same bitrate (64kbps) and the results are the same
</edit>

Nero Digital Audio+ 1.0.7.0 released

Reply #21 –
>>Junon
Hmmm.
Yep, the page you provided, show that there is no practical difference between mp3 and aac and there is a significant one (almost >2 times) between he aac and lc aac.
This means, that memory and registers reading/writing times became unimportant and I was wrong
>>Kef
PC encoding/decoding times are not representative in this case, because sometimes even the whole song can be loaded in L2 processor cache    (this is not, what really happen, of course)...

Nero Digital Audio+ 1.0.7.0 released

Reply #22 –
Ah yes, the power conundrum.  Are mobile phone CPUs more powerful, robust and further along than that of DAPs (it would appear the answer is yes)?  If so, is that because managing communication is a more processor-intensive task than simply playing back media files (I think I answered my own question)? ;)

Nero Digital Audio+ 1.0.7.0 released

Reply #23 –
Thanls to menno (& Ivan?).
I wish there were an enthusiast who can code a player for HE-AAC on the Nokia N800 Internet Tablet ***sigh***

Nero Digital Audio+ 1.0.7.0 released

Reply #24 –
Any quality improvement for LC-AAC?