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"SFTV_troy" wrote in message
ups.com...
HE-ACC + SBR is the codec used in Hybrid Digital Radio, Digital Radio
Mondiale, and DAB+. It provides FM quality sound at only 24 kbit/s.
Check if out for yourself:

Soft Hits- shoutcast.com/sbin/shoutcast-playlist.pls?rn=82235
Classical- shoutcast.com/sbin/shoutcast-playlist.pls?rn=160544
Big Band- shoutcast.com/sbin/shoutcast-playlist.pls?rn=872756
americana- shoutcast.com/sbin/shoutcast-playlist.pls?rn=199309
UK Jazz- shoutcast.com/sbin/shoutcast-playlist.pls?rn=3151
Guitar- shoutcast.com/sbin/shoutcast-playlist.pls?rn=612
Classic Rock- shoutcast.com/sbin/shoutcast-playlist.pls?rn=61670
70s- shoutcast.com/sbin/shoutcast-playlist.pls?rn=8866
80s- shoutcast.com/sbin/shoutcast-playlist.pls?rn=3883
Oldies- shoutcast.com/sbin/shoutcast-playlist.pls?rn=2085
Arab- shoutcast.com/sbin/shoutcast-playlist.pls?rn=853
Top 40- shoutcast.com/sbin/shoutcast-playlist.pls?rn=985275
Top 40- shoutcast.com/sbin/shoutcast-playlist.pls?rn=233037
UK Top 40- shoutcast.com/sbin/shoutcast-playlist.pls?rn=8849
Ambient- shoutcast.com/sbin/shoutcast-playlist.pls?rn=8908
Techno- shoutcast.com/sbin/shoutcast-playlist.pls?rn=4814
EU trance-shoutcast.com/sbin/shoutcast-playlist.pls?rn=1605
Trance- shoutcast.com/sbin/shoutcast-playlist.pls?rn=3848


The frequency response sounds like that of FM, but it has that swishy sound of compressed
audio.

--
Regards from Virginia Beach,

Earl Kiosterud
www.smokeylake.com

Earl Kiosterud wrote:

The frequency response sounds like that of FM, but it
has that swishy sound of compressed audio.


That's a fair assessment. I find it comparable to the constant
background "hiss" that plagues FM.

I guess it's a good thing AM-HD stations broadcast at 40 kbps then.

On Sep 30, 5:11 pm, SFTV_troy 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

jhardis wrote:
On Sep 30, 5:11 pm, SFTV_troy 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.

The "AAC girls" was Playboy's best issue.

;-)



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.

False. Go look it up on wikipedia, and you will see a link to an
email from the HD Alliance. That email confirms that HD means Hybrid
Digital.



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.


(1) Wikipedia states it is AAC.

(2) Even if wiki is wrong, you find that SBR codecs are the most-
advanced. Take MP3pro for example, which is essentially MP3 + SBR.
It routinely ties with AAC+SBR in listening tests.

(3) iBiquity has already stated it is "based on MPEG4", the most-
advanced standard currently available for audio compression.

So to summarize: We know definitely that it's MPEG4 with SBR. We know
wikipedia states it is based upon AAC. It's safe to make an educated
guess that HDC == MPEG4 AAC+SBR, or a derivation thereof.

Silence. I guess you don't want to admit you were wrong, huh J
Hardis?



On Oct 1, 8:58 am, wrote:
jhardis wrote:

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.

False. Go look it up on wikipedia and you will see a link to an
email from the HD Alliance. That email confirms that HD
means Hybrid Digital.

On Sun, 30 Sep 2007 20:59:12 -0700, jhardis
wrote:

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."

iNiquity wants to piggy-back on the gullible public's awareness that
HDTV means "high definition TV".

We b/c engineers know that HD Radio means High Distortion Radio.
--
Phil Kane
Beaverton, OR

On Sun, 30 Sep 2007 20:59:12 -0700, jhardis
wrote:

On Sep 30, 5:11 pm, SFTV_troy 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.

On 2007-10-02 07:11:40 -0700, David said:

"HD Radio" is a
trademark of iBiquity Digital Corp for their IBOC implementation, and
the "HD" doesn't mean anything in particular.

Image
http://img.photobucket.com/albums/v390/peterh5322/HD_Radio_Mark.jpg

Word Mark HD RADIO

Disclaimer NO CLAIM IS MADE TO THE EXCLUSIVE RIGHT TO USE "HD" and "
RADIO" APART FROM THE MARK AS SHOWN

On Oct 2, 10:11 am, David wrote:
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.

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

Of the three companies you mention, Coding Technologies is the one
that has an AAC+SBR implementation (under the tradename aacPlus).

But you miss the point. You are relying on inferences and guesswork
for something that -- whether a correct guess or an incorrect guess --
ought to be public information, but isn't. This is of great concern
to me because of its consequences.

For more information, please see:
http://fjallfoss.fcc.gov/prod/ecfs/r...t=6519550 109
and the hyperlinked footnotes within.

- Jonathan

On Tue, 02 Oct 2007 19:29:31 -0700, jhardis
wrote:

On Oct 2, 10:11 am, David wrote:
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.

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

Of the three companies you mention, Coding Technologies is the one
that has an AAC+SBR implementation (under the tradename aacPlus).

But you miss the point. You are relying on inferences and guesswork
for something that -- whether a correct guess or an incorrect guess --
ought to be public information, but isn't. This is of great concern
to me because of its consequences.

For more information, please see:
http://fjallfoss.fcc.gov/prod/ecfs/r...t=6519550 109
and the hyperlinked footnotes within.

- Jonathan
You make it sound like I give a rat's ass. I have Sirius and it
sounds great.