MP3 Disk Burning - How To - Mercedes-Benz Forum
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post #1 of 211 (permalink) Old 09-21-2005, 08:01 AM Thread Starter
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MP3 Disk Burning - How To

I spent lots of time and wasted loads of CD's, but I think I now know exactly what should be done to burn an MP3 CD that the COMAND system will accept. Thought I would share my experience.

1. When you first rip your music, do so at a bit rate of at least 128kps. I use 160kps. I believe the COMAND will recognize up to 320kps. Anything less will not give your good music quality and, if you have LOGIC7, may not work properly, as per the COMAND manual.

2. MAKE SURE YOU REMOVE ALL ID3 TAGS! I've burned several MP3 songs that played well on my computer and other players but would not function in my car. Finally came to the conclusion that those ID3 tags (information such as artist, track number, music genre, album artwork, etc.) sometimes confuse the system and the song will not play. Worse yet, some songs with ID3's caused the unit to freeze up. You can find some great freeware programs to remove those tags. I use this freeware program (http://www.marre.org/id3remover/) for my Windows XP machine. I'm sure there are many others out there that will perform this task. Do a Google search.

3. Once you have your music files cleaned of ID3 tags, arrange them in folders. I like to put folders of the artist's name in the root directory and put their music inside. This is a personal preference. You can of course name folders by music type, mood, etc. Use your imagination. Just remember that there is a limit to the number of folders that COMAND will recognize. My manual says 255 songs or folders in the root directory and 255 songs or folders in each folder. I have seen some postings where only 32 or 99 folders are recognized. Your system may vary. My system (2006 SLK COMAND) recognizes the 255 as stated.

4. Burn your CD's as Data files. MP3 CD's that I've burned in the music mode (i.e. as an MP3 music CD) have occasionally given me problems. I use Roxio's Toast and you have the choice of burning as a data disk or a music disk - use the data disk option. Your computer by default will probably burn your files as pure data, but it might be 'smart' enough to recognize .mp3 as music and may automatically make a music CD. Try to turn this option off.

5. Burn at a slow rate. When you choose the burn speed, don't use "Maximum Possible". This is a general rule of thumb to maximize accuracy in burning. I'm not sure that it is necessary in this situation, but I do it anyway.

That's it. By the way, the above works if you are burning a CD or, in some COMAND units, a DVD. My system recognizes DVD's even though I don't have NAV. This allows for A LOT of music on one disk. The rules are the same for both regular CD's (about 700 Mb) and DVD's (over 4 Gig).

Hope the above is helpful.
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post #2 of 211 (permalink) Old 09-21-2005, 08:29 AM
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RE: MP3 Disk Burning - How To

Great help, thanks. But does anyone know if the command on a 2001 model clk will play mp3's?
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post #3 of 211 (permalink) Old 09-21-2005, 08:38 AM Thread Starter
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RE: MP3 Disk Burning - How To

I don't know - maybe someone out there does. My 2003 C320 (without COMAND) doesn't play MP3's (it has the 6-CD changer and no front loading slot). The easiest way to find out is to burn an MP3 CD and load it in the slot. Try it and see.
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post #4 of 211 (permalink) Old 09-21-2005, 08:51 AM
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RE: MP3 Disk Burning - How To

I haven't got the car yet, just bought it, trying to seek all info I can about the stereo.
Thanks
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post #5 of 211 (permalink) Old 09-21-2005, 08:59 AM
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RE: MP3 Disk Burning - How To

I've been using iTunes to burn mp3 DVDs just because someone recommended it here. Ordinarily I would use Nero for such things, but since I don't have Nero installed on the machine with the DVD writer, I thought I would give iTunes a go. It does simplify the process because it makes sure that there is a simple folder structure consisting of one folder per album within the root folder. However, it has an annoying habit of renaming folders and tracks. It insists on putting a number at the beginning, and it mangles some characters in names. If anyone knows how to stop it doing this (it's not obvious) then I would be interested to hear about it. Otherwise, I will just have to install Nero on yet another machine [:)]

I always leave the ID3 tags intact, incidentally. I see no reason to remove any of the tags. I've played hundreds of files with them in, without incident. However, I never embed the cover art in a tag. This might be what causes your problems. I use VBR at approximately 230kbps (Lame standard) when encoding. This sounds good at home (AudioTron) and on the portable (Creative Zen) but is somewhat lacking bass-wise on COMAND, even compared to FM. It's not bad otherwise though.
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post #6 of 211 (permalink) Old 09-21-2005, 09:57 AM Thread Starter
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RE: MP3 Disk Burning - How To

You might be correct about the artwork. Many of my songs have artwork and that might be the problem. It was just easier to remove all the tags instead of trying to find which one was the problem. Besides, COMAND does not have the ability to read ID3 tags so they are not necessary. I try to have as little uneeded data on the disk as possible.

BTW - I like to use iTunes too. To get rid of the track numbers, go to "Preferences", choose the "Advanced" tab, then choose the "Importing" tab. Uncheck "Create file names with track number". That should import songs without the pesky numbers. The above are for a Windows machine with XP, but iTunes preferences for other machines should have a similar set of preferences and tabs.
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post #7 of 211 (permalink) Old 09-21-2005, 10:09 AM
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RE: MP3 Disk Burning - How To

Very helpful post.

thanks

Tisha Hayes
Sr. Communications Engineer
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post #8 of 211 (permalink) Old 09-30-2005, 11:27 PM
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RE: MP3 Disk Burning - How To

Quote:
steve-p - 9/21/2005 11:59 AM

I've been using iTunes to burn mp3 DVDs just because someone recommended it here. Ordinarily I would use Nero for such things, but since I don't have Nero installed on the machine with the DVD writer, I thought I would give iTunes a go. It does simplify the process because it makes sure that there is a simple folder structure consisting of one folder per album within the root folder. However, it has an annoying habit of renaming folders and tracks. It insists on putting a number at the beginning, and it mangles some characters in names. If anyone knows how to stop it doing this (it's not obvious) then I would be interested to hear about it. Otherwise, I will just have to install Nero on yet another machine [:)]

I always leave the ID3 tags intact, incidentally. I see no reason to remove any of the tags. I've played hundreds of files with them in, without incident. However, I never embed the cover art in a tag. This might be what causes your problems. I use VBR at approximately 230kbps (Lame standard) when encoding. This sounds good at home (AudioTron) and on the portable (Creative Zen) but is somewhat lacking bass-wise on COMAND, even compared to FM. It's not bad otherwise though.
Quote:
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Can you please be more specific abouth i tune burning cd/dvd:
When you play bach in the car are you able to scroll from one folder to other folder, or all 100 songs are in order say from one to 100 in the same one folder.
I see on my playback screan the folder name with arrow on both side but there is no functions all my songs are in the order i have burned, i thing i burned wrong, if so can you be more specific how do Ican burn cd 's an same disk but in more than one folder . Thanks in advance.
Sorry for my bad Inglish writing.
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post #9 of 211 (permalink) Old 10-02-2005, 10:50 PM
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RE: MP3 Disk Burning - How To

Our brand new E280 was delivered 3 days ago, so now the beloved W202 C180 has a mate......Over a number of years the sales+service people at our local have been unfaulted, but on Friday the sales rep astonished me by strongly recommending that we do not used "burned" CD's (to use his phrase) in the in-dash 6-stacker or the single-slot.

Claimed that the sometimes poor QC of blank CD's resulted in the ever-so-slightly thicker ones jamming occasionally, as the auto audio systems had narrower tolerances in the CD carrier.

Trouble is, once is enough - disassembling a new dash is not a nice thing to do - so its not as if I would want to test it....

At first I considered an RIAA conspiracy re MP3's :>)) But seriously, maybe he has something, though I've never heard of it happening. So, to the readership out there - has anyone experienced it, heard of it or have a comment?

Further to MP3's, for obvious reasons outlined above, I have not confirmed that the audio decks of current E Class deliveries in our area will even play MP3. Should, but who knows - and no-one around here can tell me.

Regards, Graham P

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post #10 of 211 (permalink) Old 10-03-2005, 05:43 AM Thread Starter
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RE: MP3 Disk Burning - How To

This must be a stock answer that service people are told to give. I, too, was told that I should use only commercially made CD's in my system even though the COMAND manual has a lengthy description of how to properly burn CD's to use in the unit. I've requested that they provide me with commercially made MP3's to test the unit, but they know of no such thing (nor do I).
The problem here is that we're on untested ground. MP3 players in MB's are relatively new and the repair people haven't caught up with the technology (IMO). I had a tech ask me how many seconds were allowed between songs on a burned MP3 CD. For those of you who are not familiar with the technology, commercially made regular CD's (not MP3's) have a set number of seconds between songs and, if you burn your own regular CD's, you can adjust the time between songs. MP3 CD's are data disks with the time between songs determined by the system playing the CD. Their questions demonstrate an ignorance of the technology. Hopefully this will improve as in-dash MP3 players become more common in MB's. I also believe in the Tooth Fairy![:D]
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