19th April 2012, 22:41
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#9
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Member, P500 Sport, MDM on (>800)
Join Date: Feb 2012
Location: Bethesda, MD
Garage:
2009 M5 - Carbon Black
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Quote:
Originally Posted by Quicksilv3r
Is the quality on par with FM transmitters or would you say it's superior? Static? Rate on a scale (worst)1-to-10(best) compared to CD's?
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It's considerably better than FM transmitters - it's a direct audio connection from the source (Sirius) to your car's amp. The quality of the sound is pretty much entirely dependent upon the quality of your source material, rather than affected by the audio connections etc.
Quote:
Originally Posted by Quicksilv3r
Explain? Sorry I'm entirely unfamiliar with iPod technology (looking to change that here).
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IPods play digital music; similar to CDs, except in order to make songs fit in a reasonable amount of space, they compress the music. That compression is usually measured by a "bit rate". The higher the bit rate, the larger the song files, and the better quality the sound. The best quality sound is achieved through no compression at all; which is what you get from audio CDs. The typical bit rate of commonly found MP3's is 128. They say most people can't hear the difference on bit rates higher than 128; many would argue that.
The way satellite radio works similarly compresses the audio stream in order to minimize the amount of data you need to receive from the satellites. Higher compressed stations tend to have worse audio quality - kinda warbly and robotic - and lower compressed stations have higher quality. Sirius/XM usually compress talk stations the most, since it doesn't matter as much, and popular music stations the least.
Hope this helps.
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