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dgpretzel
2006-07-15, 19:59
If I am understanding the FAQs correctly, SS/Squeezenetwork is unable to use Mp3Pro.

Is this correct?

DG


P.S. I mean other than back compatible mode.

andyg
2006-07-15, 21:18
Is there an open-source implementation of an mp3pro decoder? Being closed, mp3pro is likely already dying a quick death when compared to something like Ogg.

andyg
2006-07-15, 21:19
Oh, and to answer your question, yes, we don't support mp3pro.

dgpretzel
2006-07-16, 16:37
Thank you for your rapid response.

I should have figured that "proprietariness" was at least involved, if not the main reason.

I was motivated by the fact that I find myself listening to internet radio (via Squeezenetwork) much more than I anticipated I might. I suppose because of the availability of niche, very highly focused streams from Live365 (I listen to several of their stations). Mp3Pro is used quite a bit on Live365, and since internet radio is an explicitly intended use of the SB, I wondered if there might be some kind of "switch" I could turn on to activate it.

I'm not aware of any open source mp3pro decoder. But, I'm probably not a very good source for info such as that.

Assuming mpepro is not available open source, would something like that be a possible (paid subscription) value-add that could be delivered via squeezenet?

Thanks again.

DG

stinkingpig
2006-07-16, 17:16
On 7/16/06, dgpretzel <
dgpretzel.2b2asn1153093201 (AT) no-mx (DOT) forums.slimdevices.com> wrote:
>
>
> Thank you for your rapid response.
>
> I should have figured that "proprietariness" was at least involved, if
> not the main reason.
>
> I was motivated by the fact that I find myself listening to internet
> radio (via Squeezenetwork) much more than I anticipated I might. I
> suppose because of the availability of niche, very highly focused
> streams from Live365 (I listen to several of their stations). Mp3Pro
> is used quite a bit on Live365, and since internet radio is an
> explicitly intended use of the SB, I wondered if there might be some
> kind of "switch" I could turn on to activate it.
>
> I'm not aware of any open source mp3pro decoder. But, I'm probably not
> a very good source for info such as that.
>
> Assuming mpepro is not available open source, would something like that
> be a possible (paid subscription) value-add that could be delivered via
> squeezenet?
>
> Thanks again.
>
> DG


It isn't inconceivable ("Vizzini, are you sure that word means what you
think it means?"), but it would have to be done through SqueezeNetwork and
would probably only be available in the States. Pandora is an example of the
type of integration you'd see.

However, it's a long way from "feasible" to "done," and no one outside of
SDI knows how much progress has been made down that path (or if anything is
on the path at all).
--
"I spent all me tin with the ladies drinking gin,
So across the Western ocean I must wander" -- traditional

funkstar
2006-07-17, 02:28
For MP3Pro support of Internat radio staions, the decoder would need to be intregated in the SBs firmware. This would require a license for every unit i believe

stinkingpig
2006-07-17, 06:11
On 7/17/06, funkstar <funkstar.2b323z1153128601 (AT) no-mx (DOT) forums.slimdevices.com>
wrote:
>
>
> For MP3Pro support of Internat radio staions, the decoder would need to
> be intregated in the SBs firmware. This would require a license for
> every unit i believe


Hm, I was assuming a licensed transcode on SN servers, but you're probably
right.
--
"I spent all me tin with the ladies drinking gin,
So across the Western ocean I must wander" -- traditional

funkstar
2006-07-17, 15:21
Hm, I was assuming a licensed transcode on SN servers, but you're probably right.
Two problems with that. 1) you would need *massive* amounts of processing power and bandwidth as at the moment SN only sends control and display information, not the actual stream, that comes directly from the host, like it does with a desktop client. 2) there could be legal issues with transcoding and re-streaming, could be defined as re-broadcasting. Not all streams will have a problem with this, but there may be some.

dgpretzel
2006-07-18, 00:03
Too bad.

It just seems to me that Mp3Pro is a major factor at Live365, and Live365 is a major factor in internet radio, which is a major intended use of SB.

[Off topic rant]
I guess we have the whole weird way intellectual property law has evolved to thank this kind of situation. Sort of makes me wonder what it would be like if algorithms or equations were patentable in years gone by. Would Eisntein have patented E=mc^2? Or just try to conceive what might have happened if Maxwell had owned/patented his equations? Or what about any number of numerical method algorithms? Etc.
[/Off topic rant]

DG

funkstar
2006-07-18, 01:17
http://en.wikipedia.org/wiki/MP3pro


Any mp3 player can play mp3PRO files but they will be played at a sample rate that is half of the sample rate they are intended to be played at

Doesn't this mean they should be playable anyway? just at reduced quality

stinkingpig
2006-07-18, 07:07
On 7/18/06, funkstar <funkstar.2b4tjb1153210801 (AT) no-mx (DOT) forums.slimdevices.com>
wrote:
>
>
> http://en.wikipedia.org/wiki/MP3pro
>
> > Any mp3 player can play mp3PRO files but they will be played at a sample
> > rate that is half of the sample rate they are intended to be played at
>
> Doesn't this mean they should be playable anyway? just at reduced
> quality
>
>
Which is probably the case anyway due to Internet streaming...

--
"I spent all me tin with the ladies drinking gin,
So across the Western ocean I must wander" -- traditional

dgpretzel
2006-07-18, 21:13
> Doesn't this mean they should be playable anyway? just at reduced
> quality

Yes, I never intended to suggest that I couldn't hear the MP3Pro streams usning by SB3. Just wishing for all the fidelity I can get. For example, if MP3Pro is twice as efficient as MP3 (I think this is the claim), then decoding a 64 Kbs MP3Pro stream would be comparable to a 128 Kbs MP3 stream.


>Which is probably the case anyway due to Internet streaming...

I'm not sure I fully understand the comment. Isn't it more of a bandwidth issue, than the particular delivery mechanism?

Regards,

DG

stinkingpig
2006-07-18, 22:21
On 7/18/06, dgpretzel <
dgpretzel.2b6cuz1153282501 (AT) no-mx (DOT) forums.slimdevices.com> wrote:
>
>
> > Doesn't this mean they should be playable anyway? just at reduced
> > quality
>
> Yes, I never intended to suggest that I couldn't hear the MP3Pro
> streams usning by SB3. Just wishing for all the fidelity I can get.
> For example, if MP3Pro is twice as efficient as MP3 (I think this is
> the claim), then decoding a 64 Kbs MP3Pro stream would be comparable to
> a 128 Kbs MP3 stream.
>
>
> >Which is probably the case anyway due to Internet streaming...
>
> I'm not sure I fully understand the comment. Isn't it more of a
> bandwidth issue, than the particular delivery mechanism?
>
> Regards,
>
> DG
>
>
Yes, I'm implying that effective bandwidth is usually pretty poor. This is
the point where lots of people chime in that it works fine for them, in
five, four, three...

--
"I spent all me tin with the ladies drinking gin,
So across the Western ocean I must wander" -- traditional

radish
2006-07-18, 22:54
Yes, I'm implying that effective bandwidth is usually pretty poor. This is
the point where lots of people chime in that it works fine for them, in
five, four, three...

I think the point is that for any given available bandwidth, an mp3pro stream will sound better than a regular mp3 one. So it would be nice if the SB3 supported mp3pro.

Not something I personally would use, but I can see the OP's point.

dgpretzel
2006-07-19, 00:42
I think the point is that for any given available bandwidth, an mp3pro stream will sound better than a regular mp3 one. So it would be nice if the SB3 supported mp3pro.

That's exactly my point. And that many Live365 stations use it, so it might be useful to others, too.

Anyway, I'm not complaining. Very happy with my SB3 (so far).

But, you know... we all seem to want... more. :-) If SB3 suddenly supported MP3Pro tomorrow, something else would no doubt get my attention as the next request. Continual improvement, etc.

DG

bpa
2006-07-19, 01:40
The quickest way to add support for MP3Pro would be if one of the open source players supported it to do transcoding but so far AFAIK none do (e.g. Mplayer, VLC).

Besides Winamp - what other players support MP3pro ?

toby10
2007-12-29, 09:52
The quickest way to add support for MP3Pro would be if one of the open source players supported it to do transcoding but so far AFAIK none do (e.g. Mplayer, VLC).

Besides Winamp - what other players support MP3pro ?

Out of curiousity, just how does the SB3 handle MP3Pro streams? I know I've selected MP3Pro radio streams and it plays fine.

Is the station sending my SB3 a standard MP3 stream? Is the SB3 re-encoding it as a standard MP3?

Thanks :)

bpa
2007-12-29, 10:05
Just backward compatibility
See. http://en.wikipedia.org/wiki/Mp3PRO

I think it is a dying format.

toby10
2007-12-29, 10:11
Just backward compatibility
See. http://en.wikipedia.org/wiki/Mp3PRO

I think it is a dying format.

Thanks bpa. To my rescue again! :)

I understand the backwards compatability aspect (now) but what does "Any mp3 player can play mp3PRO files but they will be played at half the intended sample rate" mean?

64k MP3Pro = 32k std. MP3?

bpa
2007-12-29, 10:17
I suspect you have to think of it the other way around

In terms of quality 64k MP3pro on an MP3pro player is equivalent to 128kbit MP3 on an MP3 player.

But when playing a 64k MP3Pro on an MP3 only player the quality is the same as 64kbit MP3.

toby10
2007-12-29, 10:23
I suspect you have to think of it the other way around

In terms of quality 64k MP3pro on an MP3pro player is equivalent to 128kbit MP3 on an MP3 player.

But when playing a 64k MP3Pro on an MP3 only player the quality is the same as 64kbit MP3.

Got it! Thanks. :)