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CD/DVD supported audio file formats
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05-19-2007, 01:49 PM | #1 |
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CD/DVD supported audio file formats
I've read the manual and searched the forums first, but could not find any specs for BMW's supported audio file formats.
For example, what are the supported MP3 bitrate ranges for the CD and DVD players? I do have some audio books that won't play, presumably because the bit rate is too low (may be something like 16kbps). What MP3 tag formats does BMW support? What sampling rates are supported? Any other formats besides MP3 and WMA supported? |
05-20-2007, 10:29 AM | #2 | ||||
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Got some answers after a lot of googling...
Quote:
A BMW TSB says no VBR supported, but contrary to that VBR does work (e.g. 192, 256, 320kbps). Quote:
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(Turned out my audio books were skipped because they used a 22KHz sample rate.) Quote:
As far as burning the CD's, here are two recommended settings: Data CD-ROM (ISO) No Multisession Data Mode 1 File System: ISO 9660:1999 File name length: 207 chars or File System: ISO 9660 + Joilet File name length: 31 chars (Level 2) Burn Speed: 8x. If you burn higher, then you might get errors depending on your media and CD burner make/model. Disc-at-Once write method Make sure to check off "Finalize CD" before burning Last edited by zenmaster; 05-20-2007 at 07:44 PM.. |
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05-20-2007, 02:01 PM | #3 |
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I appreciate you posting the answers after you found them. I had several of the same questions.
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05-22-2007, 09:10 PM | #4 | |
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Quote:
Thanks for the info. What is the difference between the 2 options you mentioned above? also, are these instructions for nero or some other s/w?
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05-22-2007, 10:51 PM | #5 | ||
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Quote:
Instructions should read: - Select "Data CD-ROM (ISO)" - Select "No Multisession" - Select "Data Mode 1" - Select File System: ISO 9660:1999 (v2) supports 207-char filenames orBMW CD player should read all above formats, but ISO 9660:1999 may be the best choice: "ISO 9660:1999 is the latest update to the ISO 9660 standard.- Select Burn Speed: 8x. If you burn higher, then you might get errors depending on your media and CD burner make/model. However, using Verbatim media, I've had no problems burning at my drive's (Philips DVD8631) max speed of 40x. - Select "Disc-at-Once" write method - Select "Finalize CD" before burning Quote:
As far as the MP3 bitrate goes, I typically use either 160 or 192. |
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05-23-2007, 06:37 PM | #6 |
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Thanks zenmaster
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05-27-2007, 10:54 AM | #7 |
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MP3 vs CD Audio Quality Tests
How MP3 encoding sounds compared to original CD-quality linear PCM
On the subject of appropriate bitrate to use for MP3 encoding, the debate will continue indefinitely. However, I think this article by Sam Lin provides enough information to serve as a guideline: MP3 vs CD Audio Quality Tests Another more recent article on the subject: Do Higher MP3 Bit Rates Pay Off? "...in many cases, we were unable to tell the difference between an uncompressed track and one encoded at 160Kb/s, the bit rate most of us considered the absolute minimum acceptable for even portable players." VBR (Variable Bit Rate) vs CBR Since the BMW MP3 decoder supports VBR, it makes no sense not use VBR if you are encoding your own audio files. VBR saves space without compromising quality. For example, with VBR, song sections with silence are encoded at low bitrate, but CBR wastes space. Lin says, of the "LAME" MP3 encoder, "I've found the High Quality settings (-V 2 --vbr-new) - ~190kbps - to provide sufficent quality that I find CD's burned from the output to be sonically indistinguishable from the originals." The LAME Encoder FAQ List of recommended LAME settings LAME, Software the uses LAME, and MP3-related Links |
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07-15-2007, 02:27 AM | #8 |
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Is there any way to burn my ITunes songs as an MP3? When I tried, I was told that ITunes purchased songs cannot be murned as an MP3.
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07-15-2007, 09:04 AM | #9 | |
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Another option is this product, which apparently can convert your ITunes songs directly to MP3. |
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01-29-2009, 10:14 PM | #10 |
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ok....I tried just about every method I found on bimmerpost on getting an MP3 cd to work on my 06 330i but I am not having any luck. I'm pretty much at my wit's end on this. A dealer told me my CPO car had the mp3 update done in 07. I have Nav with no cd changer. This is what I tried so far:
1. Sony cd-r music cd's which worked for some and I also tried other cd's 2. Nero burning ROM 8 set to CD ROM (ISO) with these settings: - no multi session - ISO tab set to Data = mode 1 File: File System = ISO 9660 + Joliet and ISO 9660:1999 File name length = Max of 31 chars level2 Character set = ISO 9660 (standard ISO CD ROM) Relax Restrictions = all four boxes checked Burn set to write and finalize cd, write speed set to the lowest which is 8x and write method is set to disc at once. 3. mp3 files are 128 to 192 kbps and 44kHz I have gone through 5 discs with no luck. They work fine on my pc's and laptop and read as an mp3 cd. I want to enjoy my music but I'm stuck with music cd's with about 12 tracks each and I have to change them because I don't have a cd changer. I am looking into the ipod adapter which seems to be my only hope. I'm open to any other advice. I don't understand how BMW can make an amazing car and yet make it so difficult to make a simple mp3 cd |
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03-02-2016, 11:04 AM | #11 |
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MP3 Encoding for 6-Disc CD Changer in E90/E91/E92/E93
After a bit of experimentation with the 6-disc rear trunk-mounted CD changer on an E92 (2007) and contrary to the experience of some, the following appeared to present less of an issue as I managed to have MP3s working across the following variables:
- bit ratesIn my situation, the issues appeared to be primarily attributable to:+ Constant Bit Rate (CBR) from 128 kbps to 320 kbps- types of media - Advanced Audio Coding (AAC) not supportedThis appeared to be more pronounced when converting music from FLAC to MP3. The following workflow worked for me. Assuming DRM has been removed from the media... |
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