Re: First AAC/AAC+ radio services launched on T-DMB?

Kristoff Bonne wrote:
Gegroetn

DAB sounds worse than FM schreef:

DAB sounds worse than FM schreef:
According to this, the world's first T-DMB subscription-based
digital terrestrial radio service has been launched:
http://blogs.rnw.nl/medianetwork/?p=5653
and it carries 10 radio stations.
It's using T-DMB, and if there's 10 stations on a multiplex you're
talking about bit rates of about 112 kbps - 128 kbps, so presumably
they're using AAC/AAC+ -- otherwise, why not just use DAB?
Subscription-services. :-)

I thought you said that T-DMB receivers for radio would never
materialise?

This is subscription-radio which has a different economic model then
FTA-radio. (as we already discussed a number of time).


Please explain how that is relevant to the issue of using AAC/AAC+?


The model is in essence the same as that of CHUM or the
satellite-radio operators in the US; it's not the same thing as
FTA-broadcasting.


So what?


Perhaps they plan to add additional services like additional
radio-services, a TV-channel or datacasting.

The more space you have left over by using newer codecs, the more
interesting it becomes to fill it up with additional services and
reduce the bitrate per stations to (say) 64 Kbps, or 40 Kbps, or 32
Kbps, ...

Assuming they are using AAC/AAC+ at the moment, as there's 10 radio
stations you're talking about bit rates of around 112 kbps, which is
equivalent to 224 kbps MP2 -- i.e. excellent audio quality.

You seams to forget this is SUBSCRIPTION-radio!


Who cares whether this is susbcription radio or not?


You know I already told you a number of "enjoy your
subscription-radio".


You don't seem to be making a point here.


So, if it's "excellent audio quality" you want, you'll better be
prepared tto pay for it.
(It would be interesting to know how much they will ask for this).


You could get excellent quality on FTA radio if they changed the audio codec
on DAB.


BTW, another option is to broadcast the stations in 24 Kbps FTA and 96
Kbps subscription-service.


Always look on the bright side of life, de de de de de de,
Always look on the bright side of life, de de de de de de,
Always look on the bright side of life, de de de de de de,


At least, it provides a miminal "public" service for free, and for
people like you who think bitrates are more important then content,
this means that, if you want more bandwidth to be spent for you, you
are going to have to foot the bill for it yourself.


Always look on the bright side of life, de de de de de de,
Always look on the bright side of life, de de de de de de,
Always look on the bright side of life, de de de de de de,


Kristoff, have you ever seen The Life of Brian (Monty Python film)?
There's a song that goes as follows:
Always look on the bright side of life, de de de de de de,
Always look on the bright side of life, de de de de de de,
Always look on the bright side of life, de de de de de de,
etc

I know the song very well. :-)
I used it as password for an web-application I had to develop here.
The manager told me that I had to protect it with a password and
needed to find something that was difficult to guess and easy to
remember; so I came up with "alotbsol". (short for Always look on the
bright side of life").


So why not practice what your password preaches?


My advice to you is to always look on the bright side of life rather
than your persistent pessimistic state that if bit rates can be
reduced they will be reduced - that may be true in the UK, but as
I've said on many occasions, it's actually because they use MP2 that
causes the low bit rates (112 kbps MP2 is probably equivalent to
around 32 kbps or at most 40 kbps AAC+).

Not really. This is because this is subscription-radio which has a
different business-model then FTA-radio.


But they're using 128 kbps on DAB in the UK, so 128 kbps is obviously
feasible (just), so if they changed to using AAC at 128 kbps listeners would
get excellent audio quality.

The fact that this is a subscription service is totally irrelevant.


I wonder what people would say if the all of a sudden had to pay a
monthly fee extra to receive the BBC-radiostations digitally instead
of the FTA service on DAB now.


But they're using 128 kbps on DAB in the UK, so 128 kbps is obviously
feasible (just), so if they changed to using AAC at 128 kbps listeners would
get excellent audio quality.



--
Steve - www.digitalradiotech.co.uk - Digital Radio News & Info

Find the cheapest Freeview & DAB prices:
http://www.digitalradiotech.co.uk/freeview/freeview_receivers.php
http://www.digitalradiotech.co.uk/dab/dab_radios.php


.

Relevant Pages

  • Re: First AAC/AAC+ radio services launched on T-DMB?
    ... When people will have receiver and when people will have custom to listen to quality, new radio on FTA will be able to begin broadcasting! ... And DAB will loose because DAB wanted to be too gourmand. ... you're talking about bit rates of around 112 kbps, ... have you ever seen The Life of Brian? ...
    (alt.radio.digital)
  • Re: ofcom and L-Band
    ... I agree that mp2 128 kbps is insufficient - in the real world resistance against dab is generated by existing broadcasters not favouring the added competition. ... technology as it allows for 40 stations instead of 20", if your market is not even able to support 10 of them. ... Are we going to guess what will happen when the analog broadcast is turned off and the radio-spectrum now used for FM becomes available for digital. ...
    (alt.radio.digital)
  • Re: "Radio figures soar as nation goes digital"
    ... and they said 5 kbps. ... reality Channel 36 is being auctioned off next year and we ... BAE is open to vacating the spectrum if its move would be financed ... the DAB industry now, so they're obviously trying to promote DMB. ...
    (alt.radio.digital)
  • Re: First AAC/AAC+ radio services launched on T-DMB?
    ... and if there's 10 stations on a multiplex you're ... talking about bit rates of about 112 kbps - 128 kbps, ... Subscription-services differ in at least four ways from FTA-radio: ... these for simply simulcasting a FM-station on DAB. ...
    (alt.radio.digital)
  • Re: Good news for Radio 3 listeners. Not so good for 32kbps trailer fans.
    ... "The obvious technical flaw is that you're assuming that DAB mux ... a fixed number of kbps, ... capacity is a constant number of kbps. ...
    (alt.radio.digital)