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Sound Reinforcement - Forums for Live Sound Professionals - Your Displayed Name Must Be Your Real Full Name To Post In The Live Sound Forums => Audio Measurement and Testing => Topic started by: James Joll on May 19, 2013, 02:59:57 pm

Title: SPL vs spectrum analyser
Post by: James Joll on May 19, 2013, 02:59:57 pm
Hello guys,
I am a newbie electronic hobbyist. Recently I am planning to build a sound level detector. I need to do a project to check for ambient sound level, and if a sound abnormally exceeds that sound level it starts flashing a LED.
NOW since it is my first sound project I want to know that, Do I need to build a Sound pressure Level meter or spectrum analyzer. Which one generally measures sound loudness (I know loudness is a complicated topic, and please ignore A-weighting effect.)
Based on what I have read so far we can use both devices to kinda measure loudness in environment, right? I just want to detect I am a little confused.
thanks in advance
Title: Re: SPL vs spectrum analyser
Post by: Mac Kerr on May 19, 2013, 03:05:13 pm
Hello guys,
I am a newbie electronic hobbyist.

Please go to your profile and change the "Name" field to your real first and last name as required by the posting rules displayed in the header at the top of the section, and in the Site Rules and Suggestions (http://forums.prosoundweb.com/index.php/board,36.0.html) in the Forum Announcements section, and on the registration page when you registered.

Mac
Title: Re: SPL vs spectrum analyser
Post by: Arthur Skudra on May 19, 2013, 04:07:19 pm
Hello guys,
I am a newbie electronic hobbyist. Recently I am planning to build a sound level detector. I need to do a project to check for ambient sound level, and if a sound abnormally exceeds that sound level it starts flashing a LED.
NOW since it is my first sound project I want to know that, Do I need to build a Sound pressure Level meter or spectrum analyzer. Which one generally measures sound loudness (I know loudness is a complicated topic, and please ignore A-weighting effect.)
Based on what I have read so far we can use both devices to kinda measure loudness in environment, right? I just want to detect I am a little confused.
thanks in advance
No need to reinvent the wheel when commercially available products are so inexpensive:
http://www.studiosixdigital.com/
Check out their RTA and SPL traffic light apps.