touring sound system - audio source levels

jseter · 06-20-2010, 07:25 PM

hi guys -

searched for a bit and couldn't find much -

any thoughts on why the audio levels vary so greatly between FM / SAT / CD / AUX ?

it's like there is a separate gain on each input and it doesn't feel natural

CD volume at 12 or 13 equals SAT volume at 18 or 19

same with AUX vs FM

weird ?

sonic370 · 06-20-2010, 08:16 PM

Iv'e noticed the same issue. sat volume is always higher than cd.can't say for sure why. on aux same thing when i play my iphone music i have to turn it up to 18 or 19 i think that has something to do with the music being compressed.

TreeSemdyZee · 06-20-2010, 10:14 PM

CD, aux are direct digital input. With any radio transmission, you're losing a lot in the transmission. I'd had to guess and say that you're not getting the full wavelength of sound from the radio transmission.

(layman's explanation)

bigaudiofanat · 06-20-2010, 11:20 PM

^^^ You got it.

06-20-2010, 07:25 PM	#1 (permalink)
jseter Base Member Join Date: Apr 2010 Location: atlanta, ga Posts: 55 Drives: a high revving V10 Rep Power: 15	touring sound system - audio source levels hi guys - searched for a bit and couldn't find much - any thoughts on why the audio levels vary so greatly between FM / SAT / CD / AUX ? it's like there is a separate gain on each input and it doesn't feel natural CD volume at 12 or 13 equals SAT volume at 18 or 19 same with AUX vs FM weird ? __________________ 40th - Sold

06-20-2010, 11:20 PM	#4 (permalink)
bigaudiofanat Car Audio Installer Join Date: Jun 2009 Location: Magnolia DE Posts: 8,342 Drives: 2012 Infiniti G37x Rep Power: 853	^^^ You got it. __________________ Need help with car audio or electronics? Let me know!! Need Help Let Me Know Direct email address reimermatt@gmail.com Owner of: Dynamic Mobile Audio Follow me below https://www.facebook.com/Dynamicmobileaudio/

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06-20-2010, 08:16 PM	#2 (permalink)
sonic370 A True Z Fanatic Join Date: May 2010 Location: Orange Texas Posts: 1,574 Drives: 09 370Z Sports PGK Rep Power: 18	Iv'e noticed the same issue. sat volume is always higher than cd.can't say for sure why. on aux same thing when i play my iphone music i have to turn it up to 18 or 19 i think that has something to do with the music being compressed.

06-20-2010, 10:14 PM	#3 (permalink)
TreeSemdyZee Premium Member Join Date: Dec 2009 Location: Kentuck-IANA Age: 60 Posts: 4,885 Drives: '09 370 & ‘14 Juke Rep Power: 27409	CD, aux are direct digital input. With any radio transmission, you're losing a lot in the transmission. I'd had to guess and say that you're not getting the full wavelength of sound from the radio transmission. (layman's explanation)