Bit rates for XM and Sirius? - diyAudio
Go Back   Home > Forums > Design & Build > Parts

Parts Where to get, and how to make the best bits. PCB's, caps, transformers, etc.

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 4th September 2005, 04:30 PM   #1
diyAudio Member
 
Join Date: Dec 2004
Location: Mt Pleasant Sc
Default Bit rates for XM and Sirius?

Does anyone know the bit rates for XM and Sirius? I have a disagreement with a friend and would like to get the right answers.
Thank You
Ed
  Reply With Quote
Old 6th September 2005, 10:31 PM   #2
oPossum is offline oPossum  United States
diyAudio Member
 
oPossum's Avatar
 
Join Date: May 2005
Location: Michigan
They both use a variable bit rate (VBR). It probably varies from about 5 to 50 kbps.

The aggregate bit rate of both services is around 6 Mbps. Some of this is overhead. Assume 5 Mbps for 180 channels = 28 kbps per channel average.

They use different CODECs, so even if the bit rate where fixed and equal, the sound would still differ. The CODECs are more efficient than MP3, and have different character than AAC.
  Reply With Quote
Old 7th September 2005, 02:03 AM   #3
diyAudio Member
 
Brian Donaldson's Avatar
 
Join Date: Jan 2003
Location: Texas, Love it or leave it
I have a year free subscription with a new car to Sirius. the sound quality is awfull. I Emailed asking about the bitrate. Here's the response....


Dear Brian,

Thanks for your recent email. We appreciate the time you have taken to
contact SIRIUS in regards to our bitrate. Currently at this time our
system is using a 34 Kbs bitrate. We understand any inconvenience this
may cause. We are trying to accommodate listeners of all types. We
hope this information helps.

We are committed to providing you with the best in customer care. If
you have any more questions, please feel free to contact SIRIUS
Customer
Care. For your convenience, we are available 24 hours a day, 7 days a
week at:

1-888-539-SIRIUS (7474)

As well as by email at:

www.sirius.com/customercare

Sincerely,

Michael B
SIRIUS Customer Care

Did you know that SIRIUS has great money-saving billing options? You
can get 1-14 months free depending on the option you choose. Call us
at
888-539-SIRIUS (7474) and we’ll help you choose the plan that’s
right
for you!


Original Message Follows:
------------------------
First Name: Brian
Last Name: Donaldson
Email Address: yahoo.com
Subscriber: Yes
Account Number: xxxxxxxx
Message: What bitrate do you use. The sound quaility in my new Dodge is
awful. I do like the programming and considered getting a home
reciever,
but the sound quality is so bad that I can't enjoy the music. If this
isn't due to a short term problem that is soon to be rectified, my
subscription will end after the free year.

Thanks
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Sirius & FM sled108 Tubes / Valves 7 28th June 2008 12:49 PM
U.S. Postal Rates jackinnj The Lounge 8 18th May 2007 06:00 AM
ASIO & bit rates rick57 Digital Source 10 29th October 2006 07:57 AM
Sample rates Prune Digital Source 9 18th September 2003 07:24 PM
anyone messed with sirius radio? cowanrg Everything Else 0 31st July 2003 05:33 AM


New To Site? Need Help?

All times are GMT. The time now is 12:16 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2