MP3?

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yetchtoo
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Joined: Tue Feb 24, 2015 4:01 pm

MP3?

Post by yetchtoo »

I am making mp3 files to play on an audio system in my Volkswagen. I use an SD card for storage. If I save a file directly from Amadeus Pro to the SD card, and then play the file on my car audio, I get a message 'File format not recognized', with the file name showing ,_ at the beginning of the file. It then passes that file, and will play the same file with no notations before the file name. If I pass this file through iTunes first before I store it on the SD card, I do not get the message, and the file plays normally. I cannot find any difference with the file names as they are shown on my computer.

Does anyone know why this is happening?
Thanks, Mike

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Martin Hairer
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MP3?

Post by Martin Hairer »

What if you save the file to your Desktop from within Amadeus and then drag it onto the SD card in the Finder? Regards,

Martin

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CDJonah
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MP3?

Post by CDJonah »

Any possibility that a resource fork file is being created? I would
suspect one file is very small and the other is the real data.

Chuck

On 2/24/15 11:12 AM, yetchtoo wrote:
I am making mp3 files to play on an audio system in my Volkswagen. I use an SD card for storage. If I save a file directly from Amadeus Pro to the SD card, and then play the file on my car audio, I get a message 'File format not recognized', with the file name showing ,_ at the beginning of the file. It then passes that file, and will play the same file with no notations before the file name. If I pass this file through iTunes first before I store it on the SD card, I do not get the message, and the file plays normally. I cannot find any difference with the file names as they are shown on my computer.

Does anyone know why this is happening?
Thanks, Mike




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Martin Hairer
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MP3?

Post by Martin Hairer »

Any possibility that a resource fork file is being created?
That's exactly what it sounds like, but Amadeus shouldn't create a resource fork when writing to an Mp3 file. (I did double-check just to make sure.)

Mike, when you say that you "pass this file through iTunes", do you mean that you reencode it with iTunes? Also, are you saving the file as a VBR or CBR file? (See the "Settings" in the file savings dialog.) Some old Mp3 players choke on VBR files, maybe that's the problem, although I don't see why it would prepend the filename with an underscore... Regards,

Martin

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yetchtoo
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MP3?

Post by yetchtoo »

What I mean by passing it through iTunes is that I will add the file to iTunes first, and then copy that file from iTunes and then put it on the SD card used in my auto. I check the properties from an iTunes file and it is VBR. So the file that works in the automobile is a VBR file.

My normal practice is to save the file to a folder on my desktop, then place in on the SD card.

Also, I download mp3 files from the 'Caravan to Midnight' website, and these also act the same way on my automobile audio system. Haven't tried giving it to iTunes yet, but I will.
Mike

gregmaletic
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Re: MP3?

Post by gregmaletic »

Today I created some MP3 files with Amadeus Lite v2.8.5, transferred them to a flash drive, and the Finder created a bunch of "_.[song name].mp3" files on the flash drive, which suggests the MP3 files on my Mac have a resource fork.

Just wanted to point this out, since this seems like a weird thing for Amadeus Lite to be doing (creating resource forks for MP3 files.)

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Martin Hairer
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Re: MP3?

Post by Martin Hairer »

Mp3 files created by Amadeus do not have a resource fork.

Any file may end up having some extended attributes set for any number of reasons, which I suspect is what you are seeing.

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