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Re: re: BWAV/BEXT chunk

Subject: Re: re: BWAV/BEXT chunk
From: Lang Elliott <>
Date: Mon, 18 Oct 2004 16:16:39 -0400
Thank you Gianni.

Question: With Audition, can you modify and write data in the EBU Extension=
s
tab? In other words, can you modify the BEXT chunk, then resave as BWAV? If
you can, please do a modification and send me the resulting file so that I
find out if I can read the metadata with my software.

Lang


Hi,
        I read the bwav.wav with Audition 1.5. The "sound" part of the
file plays as expected. The text contents can be seen clicking on "View",
"Wave properties" and then on the "EBU Extensions" tab.

          In Samplitude 7.0 the file plays ok. The text contents can be
seen clicking on "Options", "Project Properties" and then on "Broadcast
Wave Manager"

        In Wavelab 5 the file plays ok. The text contents can be seen
clicking on "Edit", "File Attributes" and then on the "Broadcast Audio
Extension" tab.

        If I try to open the file with my own software I get an error
message!
If someone could give me advice on the data structure I'll try to
incorporate the feature in my software.

Gianni


At 20.19 18/10/2004, you wrote:

>Sorry folks, I totally forgot that I can't attach a soundfile to messages.
>Here is the BWAV file I referred to:
>
>http://www.naturesound.com/bwav.wav
>
>To read the metadata, you'll have to instruct your browser to download the
>file rather than play it. Then open it in any text editor. Read the
>information in the header.
>
>I'll bet that Audition will be able to see this information. But I still
>doubt if Audition can write to the BEXT chunk. My guess is that Audition
>uses it's own proprietary "wrapper" fields, readable only by Audition.
>
>Lang
>
>
>
>[Non-text portions of this message have been removed]
>
>
>
>
>"Microphones are not ears,
>Loudspeakers are not birds,
>A listening room is not nature."
>Klas Strandberg
>Yahoo! Groups Links
>
>
>
>

--------------------------------------------------------------
Gianni Pavan
Email 
Centro Interdisciplinare di Bioacustica e Ricerche Ambientali
Universita' degli Studi di Pavia
Via Taramelli 24, 27100 PAVIA, ITALIA
Tel           +39-0382-507874
Fax        +39-02-700-32921
Web       http://www.unipv.it/cibra



"Microphones are not ears,
Loudspeakers are not birds,
A listening room is not nature."
Klas Strandberg


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