Bluetooth Audio Issues
Ok - I have 2 issues with my Bluetooth Audio. I have a Verizon Galaxy Nexus. Bluetooth Phone is just fine and no issues.
1. A couple of times now the bluetooth audio devices just disappear. I have to pair all the bluetooth audio devices (mine, wifes, kids) all over again. 2. While streaming bluetooth audio it's choppy, like a couple of times per song. Anyone had these issues? |
The bluetooth quality is absolute crap in my 2012 SS. Connects just fine but sounds horrible. I have actually gone back to CD's until I can get an aftermarket head unit put in.
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Bluetooth, by its very nature, is not going to sound as good as a direct line, either via USB or a stereo patch cable. It is made for voice, not music. Therefore, the standard dictates a fairly significant amount of compression which strips down the high and low frequencies while downsampling the overall frequency bandwidth to allow the signal to be sent quickly over a bluetooth radio transmission. In other words, it's going to sound compressed because it IS compressed. ;)
I stopped using Bluetooth to stream, even though it's convenient, and it's nice to have the steering wheel controls (or on the head unit) to switch tracks, but, really, it's a lot better in my experience to play on the phone (I use an Android media player called Poweramp, and it's awesome) over line-in, and that sounds the best, I find. As for why yours is skipping, I dunno, but it's possible it has to do with the source. Try a different phone/media player/format to see if it still skips in all of those scenarios. I'm thinking it's nothing to do with the Camaro's system though. |
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Edit: From what I can find online, the max bit rate of A2DP (bluetooth music streaming) is between 127 kbps and 345 kbps. Even at the low end, it's the same bitrate as a standard iTunes MP3. |
For me, not only does is the sound quality lower than expected, but the volume is crap too. I have to crank the phone all the way up, and turn the volume up in the car way higher than it should need to go. I've also found that the AUX input connected to the headphone jack sounds like crap too, and is too quiet. I can stream Pandora with a good pair of headphones and it sounds good, but with the AUX port and a stereo cable in the car, it sounds horrible. I just stick with USB with my old iPod, or let the car index a stick or my phone. It's not ideal, but it is better then nothing.
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I have the same phone and had to repair often, but that seems to make a big difference. Not sure if the order of turning things off matter, but I usually turn off the car (with the radio/BT connection running), remove the key (with the radio/BT connection running), open the door (which turns off the radio) and then go in the house before turning bluetooth on the phone off. |
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Long story short: a direct connection will almost always sound better, if the source audio itself is high enough quality to begin with. If you're playing shit-quality 128kbps mp3s, you probably won't notice the quality degradation. Try some at 320, and you will. |
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Bluetooth is capable of greater than 320kbps transmissions, so unless your phone doesn't support this, there shouldn't be a difference. |
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I rarely use my bluetooth for music stream, and never use the headphone jack. I pretty much keep an iPod plugged into my car with high quality mp3s and ALACs. When I do use bluetooth, it sounds much better than XM. Then again, XM is a mere 44kbps. |
The headphone jack is a line out. All it does is play on your phone. I have a much better player on my phone than the head unit is capable of, so it sounds a lot better and I don't have to worry about the 1000 songs limit or whatever it is with the car's USB reader, especially considering it tries to index every single audio file on the phone, including system and app sounds. No thanks. If it were just a music player, that wouldn't be so much of an issue.
I never listen to XM because it sounds like shit, and with all the trees and overpasses here, there is no reception 30% of the time, and it cuts out. I only ever use it when I have a free trial, and after that, I don't miss it. I'd rather stream Slacker or Pandora from my phone at that rate. It sounds better and it doesn't cut out. ;) |
1000 song limit? I have a 240GB iPod and have never encountered such a limit, or any indexing issues.
And the headphone jack is not a simple line out. It goes through the DAC (which by the very definition of digital, means it has a sample rate) and then the, likely, crappy phone internal amp, before making its way to the jack. This leaves you at the mercy of your Phone's DAC and stereo's DAC, as opposed to just the stereo's DAC. |
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http://www.camaro5.com/forums/showthread.php?t=116803 As for the stereo jack, it's a helluva lot better quality than Bluetooth compression, because with that, you're adding at least two more levels of conversion along the way, and depending on vendor, the quality of the audio format chosen can vary within that data stream. USB is the only other option and that's not very useful with a modern smartphone like mine. You'll end up with a whole lot of audio tracks it thinks is music, but is really just sound effects, cached navigation audio, etc. If you know a better way, let me know. |
I've got a 2010 2SS/RS and have NEVER been able to get the streaming audio to work.
The phone pairs basically fine, for the most part, but audio is a no-go. :( |
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