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How does E* receive the Sirius music channels?


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25 replies to this topic

#21 OFFLINE   JWKessler

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Posted 09 April 2013 - 11:56 AM

I have two cars with Sirius/XM - a 2010 Honda Odyssey and a 2012 Ford Focus. When sitting in the driveway, cars next to each other, same channel on both, the Focus sounds thin and garbled comared to the Odyssey.

This makes me suspect the quality of the receiver in the vehicles are the determining factor. I've heard talk shows where I couldn't understand what was being said (in the Focus).

Another tidbit...the Focus drops signals MUCH more than the Odyssey. When I go under the freeway overpass near home, the Odyssey doesn't miss a beat, but the Focus drops every time.

However, the Focus buffers up to 12 songs for replay...except the feature is a pain to get to...


Is it possible that one car has Sirius and the other XM? I know my XM radio suffers from dropouts a lot more than the Sirius radio in the same car. XM comes from three geosynchronous satellites while Sirius has three satellites that are not in a true geosynchronous orbit.

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#22 OFFLINE   Michael P

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Posted 10 April 2013 - 05:54 PM

I have two cars with Sirius/XM - a 2010 Honda Odyssey and a 2012 Ford Focus. When sitting in the driveway, cars next to each other, same channel on both, the Focus sounds thin and garbled comared to the Odyssey.

This makes me suspect the quality of the receiver in the vehicles are the determining factor. I've heard talk shows where I couldn't understand what was being said (in the Focus).

Another tidbit...the Focus drops signals MUCH more than the Odyssey. When I go under the freeway overpass near home, the Odyssey doesn't miss a beat, but the Focus drops every time.

However, the Focus buffers up to 12 songs for replay...except the feature is a pain to get to...

BINGO! I have that feature on the MKZ. I suspected that that feature may "dumb down" the digital resolution. I'd give up that feature if it meant that the bit rate would increase.
An E* subscriber continuously since February 1997.

#23 OFFLINE   homeskillet

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Posted 14 April 2013 - 07:40 PM

SiriusXM broadcasts with limited bandwidth availability, typically audio stations will transmit around 32-41 kbps (some are in mono even) and the talk stations are less. I know the traffic stations are around 8 kbps. 

 

When lots of play by play sports are going on, they steal bandwidth from each station to make up the difference to add the sports broadcasts. 

 

Dish Network receives the Sirius audio feed directly from SiriusXM via a direct fiber connection. 



#24 OFFLINE   Laxguy

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Posted 16 April 2013 - 02:48 PM

SiriusXM broadcasts with limited bandwidth availability, typically audio stations will transmit around 32-41 kbps (some are in mono even) and the talk stations are less. I know the traffic stations are around 8 kbps. 

 

When lots of play by play sports are going on, they steal bandwidth from each station to make up the difference to add the sports broadcasts. 

 

Dish Network receives the Sirius audio feed directly from SiriusXM via a direct fiber connection. 

Would that be at the bitrates you mentioned above, or a higher rate?


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#25 OFFLINE   djlong

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Posted 17 April 2013 - 04:49 AM

Far higher.  I know the internet feeds are AT LEAST 128Kbps.  I can't remember the exact number.



#26 OFFLINE   Wilf

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Posted 17 April 2013 - 06:14 AM

My favorite IP radio feeds are 256Kbps.




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