white noise

Speaker Test Tones: AVR Built-In or External Test Disc? Anyone with a home theater receiver, Dolby Pro Logic, Dolby Digital, DTS or other, is probably aware of the receiver's ability to play test tones (white or pink noise) through each speaker, to help balance speaker levels in a home theater...

Yesterday my new order arrived, a Fosi audio k5 pro mini "gamer" audio DAC, I bought it to use with my IEM Truthear zero RED, both to amplify the sound and because its cable is too short to use on my PC. However, when I connect my Truthear to the DAC I hear white noise in the background when...

First things first - I don't have a frequency test mic/software, so I'm just using a mobile app to analyze the SPL in my room. Goal is to generally balance my subwoofer output level with the levels from my speakers in a way that is objectively more meaningful than "it sounds good". Audio flow...

So this one might get me the stupid question of the week award or something... but anyway: We all know hearing threshold curves, which are taken using narrow bandwidth tones AFAIK. What do they mean for minimum detectable white noise level though? How low typically is it? Are there any studies...