Sengpielaudio.Com Sound Energy Quantity

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The relation of sound quantities references and levels ...

http://www.sengpielaudio.com/calculator-soundvalues.htm

Sound pressure p (RMS) as Sound field quantity: The auditory threshold is used as the reference sound pressure p 0 = 20 µPa = 2 × 10 −5 Pa. The threshold of hearing corresponds to the sound pressure level L p = 0 dB at f = 1 kHz. Sound intensity I as Sound energy quantity: The auditory threshold is calculated as the reference sound intensity I 0 = 10 −12 W/m 2. The threshold of …

SPL sound level to dB pressure level sound pressure …

http://www.sengpielaudio.com/calculator-soundlevel.htm

Sound field quantity Sound energy quantity: Sound pressure level L p (SPL air) dB (decibel) ↔ Sound intensity level L I (air) dB (decibel) Reference sound pressure p 0 = 20 μPa = 2 × 10 −5 Pa Reference intensity I 0 = 1 pW/m 2 = 10 −12 W/m 2 The same "sound level" in dB at Specific acoustic impedance of air Z 0 = 400 N·s/m 3

Relationship of acoustic quantities associated with a ...

http://www.sengpielaudio.com/RelationshipsOfAcousticQuantities.pdf

White = linear sound field size and gray = squared sound energy size. Specific acoustic impedance . Z = ... Eberhard Sengpiel - sengpielaudio Created Date: 1/7/2014 2:52:50 PM ...

The inverse square law 1/r² and the sound intensity ...

http://www.sengpielaudio.com/calculator-squarelaw.htm

designers ("ear people") don't need that sound energy quantity. Who is involved in audio engineering, should rather take care of the sound field quantity, that is the sound pressure or the sound pressure level (SPL) as an effect at the eardrums of our hearing and on the diaphragms of the microphones, and the corresponding audio voltage

Table chart sound pressure levels SPL level test normal ...

http://www.sengpielaudio.com/TableOfSoundPressureLevels.htm

Sound field quantity Sound energy quantity: Sound pressure level L p (SPL air) dB ↔ Sound intensity level L I (air) dB Reference sound pressure p 0 = 20 μPa = 2 × 10 −5 Pa Reference intensity I 0 = 1 pW/m 2 = 10 −12 W/m 2 The same "sound level" in dB at Specific acoustic impedance of air Z 0 = 400 N·s/m 3

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