Re: YES Virginia, 24 kbit/s can sound good (with HE-AAC codec)

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Article #696

#696

From: David
Date: Tue, 02 Oct 2007 14:11

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On Sun, 30 Sep 2007 20:59:12 -0700, jhardis <jhardis@tcs.wap.org>
wrote:

>On Sep 30, 5:11 pm, SFTV_troy <SFTV_t...@yahoo.com> wrote:
>> HE-ACC + SBR is the codec used in Hybrid Digital Radio, Digital Radio
>> Mondiale, and DAB+.
>
>1)  The ACC is an athletic conference within the NCAA.  You mean AAC.
>
>2)  There is no such thing as "Hybrid Digital" radio.  "HD Radio" is a
>trademark of iBiquity Digital Corp for their IBOC implementation, and
>the "HD" doesn't mean anything in particular.  IBOC has three modes of
>operation:  hybrid, extended hybrid, and all digital.  All three are
>part of "HD Radio."
>
>3)  "HD Radio" uses a codec known as HDC (a.k.a. "HD Codec").  While
>iBiquity has acknowledged that it uses SBR, they have pointedly
>declined to discuss whether or not it has any other similarity to HE-
>AAC. I doubt that you could cite an authoritative source, but if you
>could I would love to know about it.
>
>  - Jonathan

The players (companies) are the same as the ones who implement
AAC+SBR, e.g. Fraunhaufer and Coding Technologies and Neural, aren't
they.

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From: David <rickets@knac.com>
Newsgroups: rec.audio.tech,rec.audio.car,rec.radio.shortwave,ba.broadcast
Subject: Re: YES Virginia, 24 kbit/s can sound good (with HE-AAC codec)
Date: Tue, 02 Oct 2007 06:11:40 -0800
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