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07-05-2005, 06:54 AM
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#1
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FLAC
Join Date: Oct 2003
Location: Poland, OH
Vehicle: 2005 Dodge Ram Quad Cab
Posts: 1,556
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XM Radio Sound Quality - What Happened?
I just got a XMD1000 and made my own cable. I went on an hour roadtrip and tried it out. For that hour I freakin rocked out.. The music was awesome and the sound quality was awesome as well. I was using Frodo Sattelite Alpha 3 and I hadn't adjusted any EQ settings (it was enabled in the INI file however).
The next time I got in my truck when my PC booted up (from hibernation) it made some nasty sound for a couple seconds then went to the music. The music seemed to have a lot of static and even at low volumes it sounded like it was freaking cranked.
I turned off the EQ via the ini file and it seems to sound better but still not like the first time I went out with it..
Any ideas??
Thanks
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07-05-2005, 07:21 AM
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#2
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MySQL Error
Join Date: May 2003
Location: Miami, FL
Vehicle: 2002 Dodge Ram 1500 Quad Cab
Posts: 4,342
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I've found that if it's getting signal only from the ground repeaters the sound quality is much worse than with the sat signal
you might also try it with the built-in frodo XM app, because i've had some trouble with that EQ built into the program sometimes even though i've disabled it, it seems to still be affecting it
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07-05-2005, 07:35 AM
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#3
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FLAC
Join Date: Oct 2003
Location: Poland, OH
Vehicle: 2005 Dodge Ram Quad Cab
Posts: 1,556
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JC, what are the ground repeaters? How do I know when it's getting a sig from those or from sat?
Thanks
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07-05-2005, 04:43 PM
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#4
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MySQL Error
Join Date: May 2003
Location: Miami, FL
Vehicle: 2002 Dodge Ram 1500 Quad Cab
Posts: 4,342
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the ground repeaters are signal towers that are located on the ground so that when you go into areas that dont have a sat signal, like a parking garage you can still have radio
you should have three signal bars in the XM application, the top 2 are sat signal and the bottom one is ground signal
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07-05-2005, 04:55 PM
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#5
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Raw Wave
Join Date: Oct 2004
Posts: 3,453
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lately i've noticed that if the sat signal strength is low, the xm will only come in as mono.. 
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07-05-2005, 04:58 PM
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#6
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MySQL Error
Join Date: May 2003
Location: Miami, FL
Vehicle: 2002 Dodge Ram 1500 Quad Cab
Posts: 4,342
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yeah so have I, I just think sometimes the XM has trouble recovering and going back into stereo
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07-05-2005, 05:08 PM
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#7
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Raw Wave
Join Date: Oct 2004
Posts: 3,453
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true, because when i notice that it's mono, i switch to another channel, and i've got stereo again. but like i said, i only seem to have noticed the mono thing going on lately... and just as an aside, i'm using an xmpcr.
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07-05-2005, 05:33 PM
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#8
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MySQL Error
Join Date: May 2003
Location: Miami, FL
Vehicle: 2002 Dodge Ram 1500 Quad Cab
Posts: 4,342
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yeah, should be the same tuner module in both the PCR and the XMD, so it might be a flaw, or just by design
I just did the opical mod to mine a couple weeks ago, soon as I can figure out a way to make the optical in work on my sound card i'll let you know if that helps at all.
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07-06-2005, 08:00 AM
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#9
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FLAC
Join Date: Oct 2003
Location: Poland, OH
Vehicle: 2005 Dodge Ram Quad Cab
Posts: 1,556
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Man, I'm still having problems with the SQ?! WTH happend?!? It was friggin rocking the first day!
What I did notice that with the line in not muted I have a lot of feedback (sounds like the volume is turned up to 100%) then when I mute it the sound is gone (so def the line in).
I uninstalled FrodoSat program and rebooted and then unmuted the line and it was fine. It wasn't blaring. Then I reinstalled disabling the EQ before I even went in and it's still bad. Not AS bad but still not like it was the first time..
Man, this be blowin...
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07-06-2005, 08:09 AM
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#10
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Variable Bitrate
Join Date: Jul 2004
Posts: 260
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Funny thing is that I am experiencing a sound quality issue as well, and I'm not sure if its frodo related. The laptop sounds fine if using the speakers in the docking station, but once I plug in my plug into either the headphone/line out plug, my highs seem to go straight to crap. I changed the volume control setting in the settings 1 menu and that seemed th help for a bit then back to the junk. The next thing I did was launch Windows media player and I didn't seem to experience the same problems. I still need to do some more trouble shooting, as well as install a ferite core on the RCA cables. I will keep you updated.
__________________
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07-06-2005, 08:21 AM
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#11
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FLAC
Join Date: Oct 2003
Location: Poland, OH
Vehicle: 2005 Dodge Ram Quad Cab
Posts: 1,556
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Please do because at this point it's almost pointless to be paying for XM..
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07-06-2005, 12:09 PM
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#12
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RoadRunner Mastermind
Join Date: Nov 2004
Location: Vitória, ES - Brazil
Vehicle: 04/Mazda/RX-8
Posts: 8,025
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I'd suggest trying a different XM player or perhaps pluging the XM Audio output onto a different hardware (or straight to an AMP) and check the sound quality, that should give away if it is a hardware or software issue... you just can't be trying to solve this "blindly"..
__________________
Road Runner,RR's Myspace
"Being happy is not about having what you want, it's about wanting what you have."
"The best things in life are always free - but that doesn't mean money can't buy you good things."
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07-06-2005, 12:22 PM
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#13
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Constant Bitrate
Join Date: Jan 2002
Posts: 217
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This might be completely unrelated but...
I have both an XMDirect unit (that I connect to via a TimeTrax converter box) and an xm2go myfi unit. I have not tested with the XMDirect unit yet, but:
I connect my xm2go unit into some powered speakers here at work. Yesterday it was only coming out of one speaker. I have only had my xm2go for like 3 or 4 days, so I am pretty freaked out. I took it home, shoved it in my bedroom window (only place I barely get a signal if no antenna is connected) and hooked it to some headphones, still only mono. However, I tried it in the car using the FM transmitter and it works fine. However, in the car, it's hooked to a roof-mounted magnetic antenna.
I will test it a bit more today (see what I get if it's in the home kit at home which has that directional panel-stand antenna rather than just putting it in the window and hoping for a signal on it's built-in antenna).
I'll also hook up my XMDirect and see if I can duplicate the issue. Maybe I don't have to send my xm2go back after all!
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07-06-2005, 12:26 PM
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#14
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Constant Bitrate
Join Date: Sep 2004
Posts: 157
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I'm going to go captain obvious here because I had the same issue. You do not want to put your line in volume all the way up. Around 50% is optimal for best sound quality. The output of the XMDirect unit is a little too powerful for the input of a soundcard.
I typically only listen to O&A in the car and their station has a lower volume than the music stations. Anytime I switched to a music station and heard how crappy it sounded I just always said, there goes XM playing with the bitrate again but it was not until I picked up one of those Pioneer AirWave's for out of the vehicle use that I realized that it was not an XM playing with bitrate problem. I then played with the line in and viola, it sounds awesome.
Troy
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07-06-2005, 12:41 PM
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#15
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FLAC
Join Date: Oct 2003
Location: Poland, OH
Vehicle: 2005 Dodge Ram Quad Cab
Posts: 1,556
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Troy, I think you are dead on. I'll try that on the way home..
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