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Today i tried FRE-AC / FAAC encoder. It produced an .aac file similar size to mp3. The MMI only plays the .mp3 files, is does not show the .aac or .flac or .wav. I was going to try the aac and mp3 side by side to see if i notice a difference. The settings used were AAC selected and MPEG4. Should this file have played?
Lately I've been running around in an 89' Camaro as a daily, I have a cassette player and 4 speakers. It sounds like it's being filtered through 5 layers of wax paper no matter what, so you guys should count yourselves happy and realize you are arguing over the last degrees of quality before perfection.
I tried a few HD audio tracks not so long ago and i could not tel the difference between the HD and non HD flac files, same tracks. Maybe other peoples equipment and ears can notice a difference but i cant.
Today i tried FRE-AC / FAAC encoder. It produced an .aac file similar size to mp3. The MMI only plays the .mp3 files, is does not show the .aac or .flac or .wav. I was going to try the aac and mp3 side by side to see if i notice a difference. The settings used were AAC selected and MPEG4. Should this file have played?
make sure your AMI is up to date. If you have the old firmware it will only play MP3 files.
make sure your AMI is up to date. If you have the old firmware it will only play MP3 files.
I updated the MMi with the latest euro update discs, Julian was very helpful and advised me that i had the latest AMI firmware and i only needed to run disc 2 and 3. I will of course recheck the version on my AMI.
If your car is a 2009 per your sig line...In 2009 all sorts of standards were different from today. Also, if you have an "SD" card media slot and a USB adapter for the other interface, be aware that the car has different limits for each of those.
Generally, every "radio" company on the planet has arbitrary limits as to how many files, folders, levels of folders, etc. they can accommodate. As well as a limit on the full path name to any file. In my case the "SD" card really is not an SD card slot. "SD" stops at 2GB in size. "SDHC" goes up to 32GB in size. "SDXC" extends to 64GB or 2TB (TB!) depending on how it is implemented. And AoA thinks they are all the same "SD" card, so documentation can be confusing.
If you put an SDXC card in an older car like mine, which only has an SDHC reader, the car simply reads the first 32GB and pretends nothing else is on the card. No error message, no nothing. But, I can put in a larger USB stick (128GB so far) and it all is recognized without any problem.
The USB stick may need to be formatted in FAT32 or exFAT, but I'd be surprised if you found any real size limits on the drive if the format was right. Sometimes you just need to try each, see what happens. And, just like the "SD" card, it may pay to actually test the number of folders you can have, as well as files. (Folks forget, even MSDOS could only accept 512 folders at the root level for many years. But if you moved them to a second level...you could easily have thousands of them.)
There are also Bluetooth receivers that plug into the same AMI/MMI cable slot, with varying results. They all are limited to specific years/models and all have idiosynchracies, but they also do allow your music to be streamed from a smartphone, and if a call comes in (or you are using other apps) the music gets muted, or lowered, while the phone comes in over the same connection, instead of the car's phone connections.
Speaking of A2DP or bluetooth, here are the Audi instructions for their bluetooth. Their bluetooth adapter does not sound good and is NLA. Anyway, it gives instructions on how to update the AMI.
Last edited by richard-tx; 12-10-2017 at 07:52 AM.
12-07-2017, 08:37 AM
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