[LAD] DAB Audio frame decoder

[smprocess]

Hi Stefan,

It's an interesting other solution.

Thanks,

Sylvain
----- Original Message ----- 
From: "Stefan Kost" <ensonic at hora-obscura.de>
To: "smprocess" <machel at smprocess.com>
Cc: <linux-audio-dev at lists.linuxaudio.org>; 
<linux-audio-user at lists.linuxaudio.org>
Sent: Monday, November 03, 2008 9:57 PM
Subject: Re: [LAD] DAB Audio frame decoder


> hi,
>
> smprocess schrieb:
>> Hi Fred,
>>
>> Yes, when I said 'DAB', I'm talking about Eureka-147, not DAB+ which 
>> defines
>> HE-AAC.
>> I know that DAB is obsolete, but I would like to use MPEG to create a 
>> 'audio
>> DAB kit' to my students courses.
>> However, a library allowing to decode all DAB audio formats would be
>> welcome.
>> The audio stream that I would like to decode is composed of MPEG frame + 
>> PAD
>> (ancillary data). Of course, I could separate both parts and decode them 
>> in
>> two process.
>> Because I didn't find API to do this, I think that I will do it my self.
>
> What about using GStreamer. There is mpegaudioparse element (mpeg audio
> bitstream parser), Not sure about auxillary data. At least you'll get a
> framework and can plugin in the part that is not there yet :)
>
> Stefan
>
>>
>> Regards,
>>
>> Sylvain
>>
>>
>> ----- Original Message ----- 
>> From: "Fred Gleason" <fredg at paravelsystems.com>
>> To: <linux-audio-dev at lists.linuxaudio.org>;
>> <linux-audio-user at lists.linuxaudio.org>
>> Sent: Wednesday, October 29, 2008 12:43 AM
>> Subject: Re: [LAD] DAB Audio frame decoder
>>
>>
>>> On Tuesday 28 October 2008 02:11:12 pm smprocess wrote:
>>>> I would like to know if somebody of you knows a C/C++ library allowing 
>>>> to
>>>> decode DAB audio frame (commercial or not), specially to extract PAD
>>>> components.
>>> When you say 'DAB', I take it you're talking about Eureka-147 
>>> datastreams,
>>> not
>>> the 'HD Radio' system in use in the USA?  ('Cause HD Radio is not MPEG).
>>>
>>>
>>>> For your information, I'm working with the FxEngine Framework
>>>> (http://www.smprocess.com) on DAB MPEG 1 layer II audio format.
>>> Are these elemental streams?  If so, then I assume the PAD is in the
>>> ancillary
>>> channel?
>>>
>>> Cheers!
>>>
>>>
>>> |-------------------------------------------------------------------------|
>>> | Frederick F. Gleason, Jr. |               Chief Developer
>>> |
>>> |                           |               Paravel Systems
>>> |
>>> |-------------------------------------------------------------------------|
>>> | beta test, v:
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>>> |
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>