Search found 5 matches

by teamzr1
Sat Jul 25, 2009 7:27 pm
Forum: Audio Processing
Topic: Determining the DB level on record and playback ?
Replies: 8
Views: 7060

Re: Determining the DB level on record and playback ?

Very good information
Looks like I want to reduce the exhaust design to at least down to 90-95 DB range to maintain engine performance yet safe on ears with helmet when racing or less drive time without one.

Thanks
JR
by teamzr1
Sat Jul 25, 2009 6:14 pm
Forum: Audio Processing
Topic: Determining the DB level on record and playback ?
Replies: 8
Views: 7060

Re: Determining the DB level on record and playback ?

I bought the digital model at radio shack as they did not have an analog one and also Northern tool did not have one in stock. Using the tool inside car with windows up read 105 to 113 DB and if measuring at front side or rear wheels ( about where exhaust tips end was 118 to 124 Db, so way too loud ...
by teamzr1
Sat Jul 25, 2009 3:19 am
Forum: Audio Processing
Topic: Determining the DB level on record and playback ?
Replies: 8
Views: 7060

Re: Determining the DB level on record and playback ?

Thanks for the info

What about this analog one, it is 40% cheaper then the radio shack one
http://www.harborfreight.com/cpi/ctaf/d ... mber=92282

JR
by teamzr1
Fri Jul 24, 2009 9:45 pm
Forum: Audio Processing
Topic: Determining the DB level on record and playback ?
Replies: 8
Views: 7060

Re: Determining the DB level on record and playback ?

Thanks for the feedback I understand this is not pure fact of the sound level but if I use the same microphone at same distance, same laptop, this software and make exhaust design changes then each test is treated pretty well the same way and should give some aprox DB reading To understand - a negat...
by teamzr1
Fri Jul 24, 2009 8:37 pm
Forum: Audio Processing
Topic: Determining the DB level on record and playback ?
Replies: 8
Views: 7060

Determining the DB level on record and playback ?

Hi, not sure if this is the right section for my questions. I am not into sound/music, so dumb on all this my objective really is being able to record, play and analyze in while designing a exhaust system for my racecar is to be able to see while recording and in playback exacting what the sound DB ...