[Icecast] Frauenhofer signing off on mp3, ogg stream player for Macs?

Greg Ogonowski greg at indexcom.com
Tue May 16 17:19:25 UTC 2017


That is correct. AAC License has nothing to do with transport.

Icecast can also transport the new xHE-AAC with a content type of audio/usac.
I posted a bit of information about this in an earlier post.

/greg.
StreamS HiFi Radio


-----Original Message-----
From: Icecast [mailto:icecast-bounces at xiph.org] On Behalf Of Jack Elliott
Sent: Tuesday, 16 May, 2017 06:55
To: Icecast streaming server user discussions; Marvin Scholz
Subject: Re: [Icecast] Frauenhofer signing off on mp3, ogg stream player for Macs?

Marvin, fair enough.

Via's licensing terms appear to apply to encoders and decoders only, and not to transports, such as Icecast ("An AAC patent license is needed by manufacturers or developers of end-user encoder and/or decoder products"), so using Icecast to transport an AAC-encoded stream is not a violation of the

AAC is not mentioned in the Icecast documentation (that I can find) though Icecast apparently is capable of transporting AAC-encoded streams. Are there other types of streams that Icecast can transport besides mp3 and ogg?

--
That Jack Elliott
(541) 848 7021
KPOV 88.9 FM High Desert Community radio Producer, The Wednesday Point Host, The Sunday Classics

On 5/16/2017 1:51 AM, Marvin Scholz wrote:
> First: I am not a lawyer, this is no legal advice!
>
> On 16 May 2017, at 0:25, Robert Jeffares wrote:
>
>> Jack,
>>
>> I am using AAC+ encoded by Darkice and distributed on Icecast2 on a 
>> Ubuntu server. I had to install a number of open source libraries and 
>> compile darkice from source. No licence.
>
> This sounds like it would violate the license, given that the FAQ on 
> http://www.via-corp.com/us/en/licensing/aac/faq.html states:
>
>> An AAC patent license is needed by manufacturers or developers of 
>> end-user encoder and/or decoder products.
>
> Additionally on the authors website for libaacplus it clearly says:
>
>> These tarballs don't provide any 3GPP source code. It is downloaded 
>> from 3GPP during compilation. To use package compiled by this code, 
>> you may need a license from 3GPP.
>>
>> AAC+ codecs incorporate several patents, held by Philips, Dolby,
>> Ericsson and Nokia. Companies holding patents for HE AAC v1 (SBR) 
>> have formed a patent pool under Via Licensing to provide a single 
>> point of license for product makers. Patents owned by Dolby and 
>> Philips covering the Parametric Stereo used in HE AAC v2 (SBR+PS) are 
>> not included in the Via Licensing pool and are licensed separately by 
>> Dolby. Depending on law in your country, manufacturers and developers 
>> may need to get a license. Because it is a shared library, you may 
>> need special contract for each one application, which links against 
>> this library, directly or indirectly.
>>
>> Please also note, that downloaded .doc file has a very restrictive
>> license: No part may be reproduced except as authorized by written 
>> permission. The copyright and the foregoing restriction extend to 
>> reproduction in all media.
>
> This is certainly not something I would like to see recommended to be 
> used, on this mailing list.
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> Icecast at xiph.org
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