I really don't know what's better.
Nero Digital doesn't encode bitrates accurately, but Coding Tech AAC+ does.
Also Nero licensed AAC+ from Coding Tech.
What stereo mode Nero Digit uses? (MS Stereo or Strandard Stereo)
What this means?: (Tune For Speech)
Nero Digital Audio v1.1.34.2 VS Coding Tech AAC+ Encoder v8.1.0

neroAacEnc does encode the bitrates quite accurately if you request (with -cbr) switch.

Default mode (-br) is "averaged bit rate", which has a bit of freedom. -cbr, however, conforms to ISO/IEC 14496-3 bit buffer requirements of "Constant Bit Rate" AAC.

Regarding licensing, Nero has its own AAC/AAC+/AAC+ v2 codec, completely unrelated to Coding Tech.

As a related note. Even though Coding Technologies holds a number of patents integral to implementing aacPlus, you can license the technology from the MPEG-4 Audio "patent pool" (managed by Via Licensing and representing all appropriate patent holders, including CT)

Thanks for replys.
I uses: -cbr 128000 -lc
But the result always is: 129 CBR LC.
IDK why.

Probably this is one of the problems arising from whether you assume 1KB = 1024B or 1KB = 1000B.

It's not. The CBR control is (was) not totally accurate, although the difference is never very big. In a next version this will be improved.

What do you mean?
24B?



Thanks.
Accurate CBR is xtreme important for me.
Could you please tell me what stereo encoding mode Nero AAC Codec use?