Re: [Cellar] Sample rate 0 in FLAC

Jerome Martinez <jerome@mediaarea.net> Sun, 02 October 2022 11:12 UTC

Return-Path: <jerome@mediaarea.net>
X-Original-To: cellar@ietfa.amsl.com
Delivered-To: cellar@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2B4B6C14CF0B for <cellar@ietfa.amsl.com>; Sun, 2 Oct 2022 04:12:47 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.91
X-Spam-Level:
X-Spam-Status: No, score=-1.91 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.001, RCVD_IN_ZEN_BLOCKED_OPENDNS=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([50.223.129.194]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id xEKYU9nk-Me0 for <cellar@ietfa.amsl.com>; Sun, 2 Oct 2022 04:12:42 -0700 (PDT)
Received: from 6.mo575.mail-out.ovh.net (6.mo575.mail-out.ovh.net [46.105.63.100]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id B0E83C14F75F for <cellar@ietf.org>; Sun, 2 Oct 2022 04:12:42 -0700 (PDT)
Received: from player779.ha.ovh.net (unknown [10.111.208.240]) by mo575.mail-out.ovh.net (Postfix) with ESMTP id EF273232CD for <cellar@ietf.org>; Sun, 2 Oct 2022 11:12:39 +0000 (UTC)
Received: from mediaarea.net (p548f9f94.dip0.t-ipconnect.de [84.143.159.148]) (Authenticated sender: jerome@mediaarea.net) by player779.ha.ovh.net (Postfix) with ESMTPSA id 4366C2F18894F for <cellar@ietf.org>; Sun, 2 Oct 2022 11:12:38 +0000 (UTC)
Authentication-Results: garm.ovh; auth=pass (GARM-110S0047cbddaa2-94d9-4867-baf2-9780bbee4e10, DE296CE81E3DF806447224B0F31008FE5BCDC078) smtp.auth=jerome@mediaarea.net
X-OVh-ClientIp: 84.143.159.148
Message-ID: <ad8c90e8-799f-88b5-6136-200bcc2d0e00@mediaarea.net>
Date: Sun, 02 Oct 2022 13:12:39 +0200
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.3.0
Content-Language: en-US
To: cellar@ietf.org
References: <CADQbU691597X5+ZCm2hMpPA-7uHwE2MoeT6uGRVyuSSSor-78Q@mail.gmail.com>
From: Jerome Martinez <jerome@mediaarea.net>
In-Reply-To: <CADQbU691597X5+ZCm2hMpPA-7uHwE2MoeT6uGRVyuSSSor-78Q@mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"; format="flowed"
Content-Transfer-Encoding: 7bit
X-Ovh-Tracer-Id: 8225543245127452731
X-VR-SPAMSTATE: OK
X-VR-SPAMSCORE: 0
X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedvfedrfeehjedgfeejucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecuhedttdenucenucfjughrpefkffggfgfuvfhfhfgjtgfgsehtjeertddtfeejnecuhfhrohhmpeflvghrohhmvgcuofgrrhhtihhnvgiiuceojhgvrhhomhgvsehmvgguihgrrghrvggrrdhnvghtqeenucggtffrrghtthgvrhhnpeekfeffvefhffekgeduleelfeeiheetgfeiffehheffffejgeeijedtiefguedvveenucfkpheptddrtddrtddrtddpkeegrddugeefrdduheelrddugeeknecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmohguvgepshhmthhpohhuthdphhgvlhhopehplhgrhigvrhejjeelrdhhrgdrohhvhhdrnhgvthdpihhnvghtpedtrddtrddtrddtpdhmrghilhhfrhhomhepjhgvrhhomhgvsehmvgguihgrrghrvggrrdhnvghtpdhnsggprhgtphhtthhopedupdhrtghpthhtoheptggvlhhlrghrsehivghtfhdrohhrghdpoffvtefjohhsthepmhhoheejhe
Archived-At: <https://mailarchive.ietf.org/arch/msg/cellar/vQdNX7VYBvNF_LnFjt0LT9JH2Ds>
Subject: Re: [Cellar] Sample rate 0 in FLAC
X-BeenThere: cellar@ietf.org
X-Mailman-Version: 2.1.39
Precedence: list
List-Id: Codec Encoding for LossLess Archiving and Realtime transmission <cellar.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/cellar>, <mailto:cellar-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/cellar/>
List-Post: <mailto:cellar@ietf.org>
List-Help: <mailto:cellar-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/cellar>, <mailto:cellar-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sun, 02 Oct 2022 11:12:47 -0000

On 01/10/2022 11:17, Martijn van Beurden wrote:
> Perhaps a sample rate of 0 could be used to signal non-audio data. Of
> course these signals also have a sample rate, but for laserdisc, the
> sample rate lies outside what can be stored by FLAC.
>
> Any thoughts?


Sample rate of 0 may be considered as indicating that the meaning of the 
decoded content is provided by external means not documented in this 
specification.