[ID3 Dev] Apple iTunes complicance issues

Ernest Prabhakar prabhaka at apple.com
Mon Feb 12 15:41:47 PST 2007

Hi Mitchell,

On Feb 12, 2007, at 12:08 PM, Mitchell S. Honnert wrote:
> Hello Ernie.  I'm sure most of the members of this list would  
> greatly appreciate any help you could give with resolving the  
> iTunes ID3 compliance issues.  As you can see from the other  
> responses, there are some fairly big problems with the way iTunes  
> implements the ID3 standards.
> I have a quick follow-up question.  What is your criteria for "real- 
> world interoperability consequences"?

Thanks for your query, and I can appreciate your concern.  The sort  
of data I'm looking for is "When I obtain an MP3 track from this  
legal download site, it contains this information which is *not*  
usable from iTunes."

That is, while I realize you live in a world where spec conformance  
is its own reward, I need to be able to provide concrete customer  
usage problems to motivate change.

Does that make sense?

-- Ernie P.

>   I think that by definition ID3 developers are a nitpicky lot, so  
> I'm not asking about highly esoteric issues in rarely used frames.   
> But it seems to me that problems like the ID3v2.4 non-syncsafe size  
> issue and iTunes inexplicable preference for a deprecated ID3  
> version (ID3 v2.2) would cause interoperability consequences that  
> would warrant attention from Apple.
> Again, thanks for your reply.  I hope that the list has found  
> resource that can help address these problems from within.
>  - Mitchell S. Honnert
> ----- Original Message -----
> From: Ernest Prabhakar
> To: id3v2 at id3.org
> Sent: Sunday, February 11, 2007 8:05 PM
> Subject: Re: [ID3 Dev] Apple iTunes complicance issues
> Have you filed a bug?
> http://developer.apple.com/bugreporter/bugbestpractices.html
> If you can file a specific bug explaining the concrete, real-world  
> interoperability consequences, I can help escalate it to the iTunes  
> team.
> -- Ernie P.
> On Feb 9, 2007, at 6:46 PM, Dale Preston wrote:
>> Apple iTunes suffers from the same problem as Windows Media Player  
>> 11 when it comes to ID3V2.2 TYE and ID3V2.3 TYER frames.  In both  
>> tag versions iTunes adds a leading and trailing zero byte to the  
>> frame.
>> And, of course, there’s the issue of iTunes defaulting to the  
>> obsolete ID3V2.2 tag in the first place.
>> Dale

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