Home › Forums › Breakaway Professional Products – [discontinued] › Streaming AAC+
- This topic has 33 replies, 9 voices, and was last updated 13 years, 3 months ago by JesseG.
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February 19, 2010 at 8:34 am #702KenMember
I’m looking for an streaming encoder that can stream AAC+ in low bitrate (32k) that sounds good. Like this stream: http://media-ice.musicradio.com/CapitalV1.m3u
I know Orban has codec for this, but is there any free or low priced products. A big plus if I can use it as a plug-in in BreakAway.
February 19, 2010 at 3:42 pm #9894AnonymousGuestdear Ken;
do you ever try Edcast with AAC+ Winamp Encoder ?February 19, 2010 at 3:54 pm #9895sgeirkMemberI, for one, do not recommend Edcast, if you can use an actual Flash encoder or SOS from Spacial Audio, you’ll be better off.
Edcast IS NOT STABLE. When you least expect it, it will barf on you. SOS runs for years without any issue, especially if you’re just using it to encode and not using it to do any higher functions like ad insertion…even then it just runs.
That said, Leif has teased us with his Leifcast which he says he’ll never release…darnit.
February 19, 2010 at 4:45 pm #9896GuillouMemberNo problem with edcast from many years (about 2004). Edcast dsp or standalone works perfectly for me… 🙂
Moreover, it’s free… and run with aac+ v2 dll.February 19, 2010 at 6:45 pm #9897AnonymousGuest[quote author=”Guillou”]No problem with edcast from many years (about 2004). Edcast dsp or standalone works perfectly for me… 🙂
Moreover, it’s free… and run with aac+ v2 dll.[/quote]
Work for me too….
only need to change .log attribute to "read-only" 🙂
and yes… because its free 😉February 19, 2010 at 7:38 pm #9898BokiMemberEdCast is good ..
need some tweaks to be stable .. but works.Try our Omnia test stream SAM + Edcast + Omnia A/X
Ofcourse BBP is better.February 20, 2010 at 8:07 pm #9899JesseGMember[quote author=”Boki”]EdCast is good ..
need some tweaks to be stable .. but works.Try our Omnia test stream SAM + Edcast + Omnia A/X
Ofcourse BBP is better.[/quote]Omnia A/X, or Omnia A/XE? Stream sounds way too V-shaped. Needs a lot more midrange.
Cos Omnia is giving free upgrade to A/XE which also comes with encoders. Not sure why you wouldn’t be using that new version unless you stole from Omnia. 🙄
February 24, 2010 at 2:04 pm #9900BokiMember[quote author=”JesseG”]Not sure why you wouldn’t be using that new version unless you stole from Omnia. 🙄[/quote]
Actually no, but tnx for kind words. Still respect you.
March 27, 2010 at 4:15 pm #9901Peter TateParticipantYep Edcast all the way!! Been working here for years! Don’t use 32k as the bitrate!! Drop it to 24k you will thank me!
I’m one that hates pour reproduced top end. I’d rather it not be there. I’ve experimented with this a bit. 24k mp3 with audio processed for AM (filtered at 7.5khz I’m in Australia) sounds spot on for feeding to a 24k stream. Sounds exactly like AM radio with no shimmy sounding crappy tops!
32kaac+ is just sad. 48kaac+ will work for mono. 64kaac+ for stereo minimum
March 27, 2010 at 5:13 pm #9902JesseGMember[quote author=”stationx”]32kaac+ is just sad. 48kaac+ will work for mono. 64kaac+ for stereo minimum[/quote]
If you’re suggesting that all versions of all encoders all sound the same… that will present itself as a problem even if you’re just trying to convey your personal opinion.March 28, 2010 at 12:46 am #9903AnonymousGuest[quote author=”stationx”]32kaac+ is just sad. 48kaac+ will work for mono. 64kaac+ for stereo minimum[/quote]
This is what I get with Opticodec set to 48kbps AACPlus Stereo V2:
Opticodec set to 64kbps AACPlus Stereo:
Scott
March 29, 2010 at 4:17 am #9904AnonymousGuestI don’t currently know of anything that can stream in aac+. There is a program called Muse that can stream in ogg vorbis, although I’ve never actually tried it.I use nicecast to stream, which radiologik plays very nicely with. I’ve asked the developers to include an aac+ option for their streaming, but they don’t seem inclined to do so until itunes can receive it. If more people email them requesting this, perhaps they can be persuaded to change their mind
March 29, 2010 at 2:20 pm #9905timmywaParticipantiTunes 9+ can stream AAC+ just fine. I was excited to hear they made that improvement!!
March 29, 2010 at 2:40 pm #9906Q106MemberI’ll take 128 AAC over anything AAC+…2nd choice would be FLAC..
In my opinion, the best bitrate/quality compromise for HE-AAC=AAC+=aacPlus is 48 kbps. Lower than that the artifacts are more pronounced, higher than that and the artifacts don’t get significantly less reduced. Sometimes (for mobile streaming, for example) you need to go to 32 kbps, but IMO 48 kbps is the ideal bitrate for HE-ACC.
However, although HE-AAC at 48 kbps sounds best of all other codecs, that does not mean it sounds excellent. Again, it’s the best codec for very low bitrates, but the sound quality is a compromise. It does have wide frequency response at the expense of metallic and gritty high-end, due to the artificial nature of SBR technology.
At 96 kbps, AAC outperforms it by a mile! In HE-AAC only the low band is coded with AAC, while the high band is synthesized, whereas in AAC the whole spectrum is codec with AAC. That does not work so well at very low bitrates (64 kbps stereo and below), but at higher bitrates (96 kbps and higher) it works much better than the AAC plus SBR synthesized high band combination. At 128 kbps, AAC was found to be transparent in EBU testing and it indeed sounds excellent (for final transmission coding; as always keep your sources uncompressed!).
To summarize, for streaming I would advise:
<= 64 kbps —> HE-AAC (v1 seems to be just as good as v2, despite marketing claims)
>= 96 kbps —> AACMarch 29, 2010 at 9:44 pm #9907JesseGMember[quote author=”timmywa”]iTunes 9+ can stream AAC+ just fine. I was excited to hear they made that improvement!![/quote]
I think they meant stream… as in… the source side. 😉[quote author=”Q106″]However, although HE-AAC at 48 kbps sounds best of all other codecs, that does not mean it sounds excellent. Again, it’s the best codec for very low bitrates, but the sound quality is a compromise. It does have wide frequency response at the expense of metallic and gritty high-end, due to the artificial nature of SBR technology.[/quote]
You should check out the latest CT builds coming from Nullsoft then. Not only PS-AAC, and tons of recent improvements there lately, but the filter design has also been improved a lot lately and it sounds way less gritty/metallic since sometime last summer. Nullsoft releases a new build of their encoder DLL which has a new CT build every few months or so.Even 24kbps seems acceptable to me now, as a low bitrate solution like for mobile phones, or if you just need to do some cost/bandwidth savings.
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