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Old 01-05-2014, 05:28 AM   #1
Subaru_Freak
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Member#: 25667
Join Date: Oct 2002
Chapter/Region: TXIC
Location: Austin, Tx
Vehicle:
2011 STI 5-Dr.
PBP

Default Cobb Exhaust Sound Recording


A little background ... I've always been a bit of an audiophile, and a car guy to boot. So I got the bright idea to buy $800 worth of recording gear and starting to build a library of cool car sounds. The idea is to give people a better perspective on what certain setups sound like, but also to analyze the difference in harmonics and ranges that different notes create. (IE. EL vs. UEL Headers)

This is my 2011 STI with a Cobb 3" downpipe, exhaust, and an SF intake. I'm running about 18 PSI in the video and you can really see / hear the car getting onto boost in the recording.

It's my first try at recording, so any honest feedback is welcomed.
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Old 01-05-2014, 07:47 AM   #2
SGC2CIC
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Join Date: Jun 2011
Chapter/Region: TXIC
Location: Dallas Texas
Vehicle:
2006 WRX STI
2014 EVO GSR

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How do you compare it to the video COBB produced ?
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Old 01-05-2014, 10:59 AM   #3
Subaru_Freak
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Join Date: Oct 2002
Chapter/Region: TXIC
Location: Austin, Tx
Vehicle:
2011 STI 5-Dr.
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Quote:
Originally Posted by SGC2CIC View Post
How do you compare it to the video COBB produced ?
Completely different methods for obtaining the sound.
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Old 01-05-2014, 03:03 PM   #4
Roamrex
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Member#: 171487
Join Date: Feb 2008
Chapter/Region: International
Location: TX
Vehicle:
06 WRX Wagon
SGM

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No difference. Sounds the same, but I prefer a whole video like COBB not just audio.
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Old 01-05-2014, 11:16 PM   #5
Soobiecabra
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Member#: 259527
Join Date: Oct 2010
Chapter/Region: TXIC
Location: Wylie, TX
Vehicle:
2011 WRX Sedan
PD Satin Black

Default

I like the sound. I'm listening through an X-Fi Fatality Pro and Turtle Beach 5.1 headphones. Cant compare it to other videos like the COBB one that other people are mentioning because I have not heard that one.

The afterfire between shifts sounds especially sweet and crackly. That is the result of the downpipe correct? I didnt really notice any intake sound, usually (like with the COBB) you can really hear it sucking in air, not yours though.

Overall I'd give it an B+, would have been nice to have some video or a picture slideshow along with the beautiful sounds of the engine.
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Old 01-05-2014, 11:55 PM   #6
SGC2CIC
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Join Date: Jun 2011
Chapter/Region: TXIC
Location: Dallas Texas
Vehicle:
2006 WRX STI
2014 EVO GSR

Default

Quote:
Originally Posted by Soobiecabra View Post
I like the sound. I'm listening through an X-Fi Fatality Pro and Turtle Beach 5.1 headphones. Cant compare it to other videos like the COBB one that other people are mentioning because I have not heard that one. The afterfire between shifts sounds especially sweet and crackly. That is the result of the downpipe correct? I didnt really notice any intake sound, usually (like with the COBB) you can really hear it sucking in air, not yours though. Overall I'd give it an B+, would have been nice to have some video or a picture slideshow along with the beautiful sounds of the engine.
These are the Cobb ones:

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Old 01-06-2014, 05:40 AM   #7
Subaru_Freak
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Member#: 25667
Join Date: Oct 2002
Chapter/Region: TXIC
Location: Austin, Tx
Vehicle:
2011 STI 5-Dr.
PBP

Default

Quote:
Originally Posted by Soobiecabra View Post
I like the sound. I'm listening through an X-Fi Fatality Pro and Turtle Beach 5.1 headphones. Cant compare it to other videos like the COBB one that other people are mentioning because I have not heard that one.

The afterfire between shifts sounds especially sweet and crackly. That is the result of the downpipe correct? I didnt really notice any intake sound, usually (like with the COBB) you can really hear it sucking in air, not yours though.

Overall I'd give it an B+, would have been nice to have some video or a picture slideshow along with the beautiful sounds of the engine.
The mic is mounted on the back of the car, which is why you don't hear any of the induction. If I recorded inside the car you'd hear it.

The recording was done on too much reduction (-20 dB + 50% sensitivity) since I was afraid of pushing too much sound and it distorting. The video has +12 dB that I added afterwards. Couple that with the low frequency cut-off on the mic and it makes for a muffled sound. I need to record it with 20% more sensitivity and let it push into the top 10% of the dB limit. It'll sound much more "crisp"

Cobb's videos are cool, but impossible for me to film by myself.

I can add 6 inputs on my recorder, so I need to set up the car and get a friend to film I suppose.
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Old 01-06-2014, 09:59 AM   #8
SGC2CIC
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Member#: 286908
Join Date: Jun 2011
Chapter/Region: TXIC
Location: Dallas Texas
Vehicle:
2006 WRX STI
2014 EVO GSR

Default

I once put an old video camera in my engine bay and recorded the sound to know what it would be like lol.

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