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What is "reference" level? | AVS Forum
https://www.avsforum.com/threads/what-is-reference-level.1252556/#:~:text=Reference%20level%20means%20peaks%20of%20up%20to%20105db,pain%20and%20prolonged%20exposure%20will%20damage%20your%20hearing.
Reference Level - Part One - Power Sound Audio
https://www.powersoundaudio.com/pages/reference-level-part-one
Reference level simply means that a recognized signal will be produced at a certain volume level at the seating position / microphone position. That's it. When calibrating the system the recognized signal is usually band limited (500hz to 2000hz for the full range channels) pink noise recorded at -30dBFS.
Q. What are the reference levels in digital audio systems?
https://www.soundonsound.com/sound-advice/q-what-are-reference-levels-digital-audio-systems
The professional standard reference is +4dBu, while the semi-pro reference is -10dBV, and, because these two figures use different reference points, there is just under 12dB of difference between the two.
THX reference level explained - Acoustic Frontiers
http://www.acousticfrontiers.com/2013314thx-reference-level/
Reference level means two things for home theater design: 1. Speakers and amplifiers must be capable of 105dB peaks If the playback chain is calibrated to produce 85dB for a... 2. Subwoofers must be capable of 115dB peaks
Audio Reference Levels - tangible-technology.com
http://www.tangible-technology.com/audiobasics/levels/level.html
A technician calibrates an audio device by using an AC voltmeter. Here, 0dBu is referenced to .775volts RMS. While this voltage may seem an odd choice, when applied to a 600W load (read: "vintage" gear) the power dissipated is 1 milliWatt, a nice, clean point-of-reference. An additional .455volts yields 1.23 volts or 4 dB.
What is "reference" level? | AVS Forum
https://www.avsforum.com/threads/what-is-reference-level.1252556/
As mojo stated 75 db's is what you use to set your levels. Reference levels are 105 db's peak in any given channel full range. LFE is 115 db's peak. 85 db's is the average so if you are listening to 75 db's average then you are 10db's lower …
The relation of sound quantities references and levels ...
http://www.sengpielaudio.com/calculator-soundvalues.htm
The usual reference level p0 is 20×10 −6 Pa, the auditory threshold. Note that the noise from motors is documented in sound power (acoustic power) level. "Threshold of audibility" or the minimum pressure fluctuation detected by the ear is less than 10 −9 of atmospheric pressure or about 2×10 −5 Pa (pascal) at 2000 Hz.
Best Reference Track For All Genres – Mastering The Mix
https://www.masteringthemix.com/blogs/learn/best-reference-track-for-all-genres
Using a great sounding reference track is one of the best ways to help you create professional sounding music. It keeps your mixing and mastering focussed from start to finish, ensuring that you dial in a great sound for every element of your production. In this blog, we’ll list our suggestions for the best reference tracks across a huge range of genres, and an …
What’s the Difference Between Relative and Absolute …
https://www.soundandvision.com/content/%E2%80%98relative%E2%80%99-vs-%E2%80%98absolute%E2%80%99-volume-what%E2%80%99s-difference
Once that’s been set, any time your receiver’s volume level is adjusted to 0 dB, you will experience soundtracks at a reference-level volume of 85 dB with the same 105-dB peaks used for mixing movie sound. This allows you to hear the balance and character of that mix as close as possible to what the original filmmaker intended.
Understanding Impedance - Sound on Sound
https://www.soundonsound.com/techniques/understanding-impedance
We measure audio signal amplitudes in terms of decibels for convenience, and the reference value is always 0dB. The nominal telecom signal level was defined as 0dBm — the 'm' signifies a reference of 1mW in 600Ω.
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