IETF Logo Mail Archive

Re: [codec] Ambisonics in an Ogg Opus Container

Jean-Baptiste Kempf <jb@videolan.org> Sat, 28 May 2016 08:47 UTC

Return-Path: <jb@videolan.org>
X-Original-To: codec@ietfa.amsl.com
Delivered-To: codec@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id B7BC112D0F7 for <codec@ietfa.amsl.com>; Sat, 28 May 2016 01:47:48 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.901
X-Spam-Level:
X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NCR2SdBLGLFG for <codec@ietfa.amsl.com>; Sat, 28 May 2016 01:47:44 -0700 (PDT)
Received: from storm.l0cal.com (storm.l0cal.com [195.154.242.199]) by ietfa.amsl.com (Postfix) with ESMTP id 7492A12D0B9 for <codec@ietf.org>; Sat, 28 May 2016 01:47:43 -0700 (PDT)
Received: by storm.l0cal.com (Postfix, from userid 1005) id 4993B81787; Sat, 28 May 2016 10:47:43 +0200 (CEST)
Date: Sat, 28 May 2016 10:47:43 +0200
From: Jean-Baptiste Kempf <jb@videolan.org>
To: Michael Graczyk <mgraczyk@google.com>
Message-ID: <20160528084743.GB12705@videolan.org>
References: <CABcu6-jN2gC0FRm5Vu6CmT5=yMdJr1WSaJJ_-FOXffw8bWjc_g@mail.gmail.com> <574887A3.30003@xiph.org> <CABcu6-h5XXi3QnsPvGw=MREamf-O+x3RHGDeeN1NRo0EUJ=CoA@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
In-Reply-To: <CABcu6-h5XXi3QnsPvGw=MREamf-O+x3RHGDeeN1NRo0EUJ=CoA@mail.gmail.com>
User-Agent: Mutt/1.5.24 (2015-08-30)
Archived-At: <http://mailarchive.ietf.org/arch/msg/codec/rgObuf85c2hl-rky2nFU2i074do>
Cc: codec@ietf.org
Subject: Re: [codec] Ambisonics in an Ogg Opus Container
X-BeenThere: codec@ietf.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Codec WG <codec.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/codec>, <mailto:codec-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/codec/>
List-Post: <mailto:codec@ietf.org>
List-Help: <mailto:codec-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/codec>, <mailto:codec-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sat, 28 May 2016 08:47:49 -0000

On 27 May, Michael Graczyk wrote :
> The RFC that you linked to described a metadata box for spatial audio
> (SA3D). This metadata is specific to mp4. We do not currently plan to
> encapsulate Opus in mp4, but may be interested in the future if the
> encapsulation described here becomes more widely supported:
> wiki.xiph.org/Mp4Opus.

Sorry, what I meant is that it would be nice that the info from this RFC
carries the same kind of information than SA3D, so that a player like
VLC only need to have one identical filter to process them, post
decoder.

With my kindest regards,

-- 
Jean-Baptiste Kempf
http://www.jbkempf.com/ - +33 672 704 734
Sent from my Electronic Device

v2.23.0 | Report a Bug | By Email