Bluetooth streaming

scope22 · 11-20-2015, 06:56 PM

I'm saying you got a 370z, touring nav that you can stream music to from your phone and car has 4 speakers so playing from CD player I'm sure plays in surround meaning that if song plays an instrument in rear left than it will play in rear left but what if you dream from phone is it just stereo (2 channels left and right)?

SouthArk370Z · 11-21-2015, 06:34 AM

Quote:

Originally Posted by scope22

I'm saying you got a 370z, touring nav that you can stream music to from your phone and car has 4 speakers so playing from CD player I'm sure plays in surround meaning that if song plays an instrument in rear left than it will play in rear left but what if you dream from phone is it just stereo (2 channels left and right)?

I think you are confusing your terms.

Surround sound means four or more speakers getting different signals - there are four or more discrete channels. Left-front and left-rear will not be playing the same thing (if using a surround source). CDs are not surround. SACDs and DVDs can be.

Most car setups are stereo with two sets of speakers - front and rear. LF and LR get the same music - although there may be some processing (eg, delay, equalization) going on.

I didn't stream music when I had my Z but assume the rear speakers will play - stereo, not surround.

scope22 · 11-25-2015, 05:30 PM

Ok, that helps, i guess i assumed that CDs where more then stereo but i guess they only encode movies that way

Quote:

Originally Posted by SouthArk370Z

I think you are confusing your terms.

Surround sound means four or more speakers getting different signals - there are four or more discrete channels. Left-front and left-rear will not be playing the same thing (if using a surround source). CDs are not surround. SACDs and DVDs can be.

Most car setups are stereo with two sets of speakers - front and rear. LF and LR get the same music - although there may be some processing (eg, delay, equalization) going on.

I didn't stream music when I had my Z but assume the rear speakers will play - stereo, not surround.

Catallaxy · 11-28-2015, 11:45 AM

It wouldn't surprise me if the Bose system is capable of discrete 4 channel audio output, but as was said, CD audio is stereo only.

At this point, Bluetooth probably doesn't work for surround in most applications because of bandwidth limitations.

I'm not actually sure what Bluetooth specification is in most Nissans at this point, but it would need to be Bluetooth 2.1+EDR to get near the bandwidth required for more than 2 channel audio.

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11-20-2015, 06:56 PM	#1 (permalink)
scope22 A True Z Fanatic Join Date: Apr 2012 Location: Roswell, GA Posts: 1,179 Drives: wife crazy Rep Power: 57	I'm saying you got a 370z, touring nav that you can stream music to from your phone and car has 4 speakers so playing from CD player I'm sure plays in surround meaning that if song plays an instrument in rear left than it will play in rear left but what if you dream from phone is it just stereo (2 channels left and right)?

11-28-2015, 11:45 AM	#4 (permalink)
Catallaxy Base Member Join Date: Jun 2015 Location: Texas Posts: 3 Drives: 2013 370Z Rep Power: 12	It wouldn't surprise me if the Bose system is capable of discrete 4 channel audio output, but as was said, CD audio is stereo only. At this point, Bluetooth probably doesn't work for surround in most applications because of bandwidth limitations. I'm not actually sure what Bluetooth specification is in most Nissans at this point, but it would need to be Bluetooth 2.1+EDR to get near the bandwidth required for more than 2 channel audio.