| Microphone sensitivity conversion - transfer factor |
prefixes | length | area | volume | weight | pressure | temperature | time |
energy | power | density | velocity | acceleration | force |
| Conversion: Sound level SPL, pressure, pascal, and intensity |
Weight conversion milligram to kilogram and liter |
| Ohm's law of acoustics (acoustic equivalent) |
Volume conversion milliliter to liter and kilogram |
| Sound quantities, their levels and references - Calculations |
Time conversion millisecond and second |
| Conversion of level dBu and dBV to volt and vice versa |
Length conversion millimeter and meter |
| The decibel calculator (dB) - A valuable tool |
Calculation of body length and height (size) foot-inch |
| Conversion of voltage V to dBu, dBV, and dBm - dBm calculator |
Conversion: Prefixes Conversion: Temperature |
| Table of sound pressure levels - decibel - sound pressure intensity |
Conversion: Length Conversion: Time |
| Time constant and cut-off frequency |
Conversion: Area Conversion: Energy |
| Conversion: Frequency to wavelength and vice versa |
Conversion: Volume Conversion: Power |
| Conversion: Distortion attenuation dB to THD factor in percent |
Conversion: Weight-Mass Conversion: Density |
| Calculation of the center frequency - geometric mean |
Conversion: Pressure Conversion: Acceleration |
| Thermal noise calculation Johnson noise |
Conversion: Force Conversion: Velocity-Speed |
| Calculation: Electrical voltage, current, resistance, and power |
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| Conversion of Bel to Decibel and more ... |
Decibel (dB) to percentage (%) converter |
| dB calculation of gain and loss - amplification and damping |
Is this a prime number? |
| Calculation: Reverb time RT60 after Sabine |
Calculate logarithms |
| Calculation: Speed of sound in humid air |
Unit Conversion Table |
| Conversion: Time difference and sound path distance |
Alphabetical list of conversion factors |
| Calculation: Period, cycle duration, periodic time to frequency |
Radians to degrees conversion and back |
| Conversion Bandwidth per octaves to Q factor and vice versa |
SI derived units |
| Q Factor and center frequency - Find the −3 dB cutoff frequencies |
Quadratic Equation Solver |
| Calculation: Wavelength in air and the temperature |
Time Addition Calculator |
| Calculate dB as voltage sum and phase, and power sum |
BPM - Beats per minute - counter and calculator |
| Calculation of room modes: axial, tangential, and oblique |
Comparing inches and centimeters |
| dB chart for voltages and powers |
Conversion of °C, °F, K, Rankine, and °Reaumur |
| Conversion of bits and bytes |
Conversion of m, cm, inch, feet, and yard - metric and inch ruler |
| Ohm's law - Magic triangle - calculator and formulas |
Temperature comparison: Celsius and Fahrenheit |
| Interval conversion: Frequency ratio to cents |
English and American Measures to Metric Conversions |
| Computation: Amplification (gain) and damping (loss) in dB |
Resistor color code calculator |
| Conversion: Sones to phons and the loudness problem with dBA |
R/C Reactance calculator |
| Adding decibels - combining up to ten (10) acoustic levels |
XLC Reactance calculator |
| Adding decibels - combining up to thirty (30) sound levels |
Calculations of L pads |
| Conversion of Reverberation time RT60 to Sound decay rate |
Cable length, cable capacity, and the cutoff frequency |
| Resistor pairs - reverse engineered calculator |
Why does proximity effect occur? |
| Parallel resistance calculator |
Relationship of acoustic quantities plane progressive sound wave |
| Wire cross-sectional area to diameter |
Tuning keyboard frequencies and notes English and German |
| Calculation: Voltage and power - gain and loss |
Absorption coefficients of building materials |
| Damping of the sound level with distance |
The speed of sound, the temperature, and not the air pressure |
| Conversion: Loudspeaker sensitivity to efficiency in percent |
Calculation: Speed of sound in air and the temperature |
| Weighting filter calculation: frequency and weighted dBA und dBC |
Calculation RC filter cutoff frequency and time constant |
| Convert decibels to voltage gain / loss |
Fletcher-Munson is not Robinson-Dadson |
| Calculation of phase angle, time delay, and frequency |
The new curves of equal loudness level ISO 226 |
| Conversion nepers to decibels |
Conversion: Transfer rate units |
| Sound pressure and the inverse distance law 1/r |
Chord name finder by note entry - Chord recognition |
| Sound intensity and the inverse square law 1/r² |
Calculation of the direction of phantom sources by Δ L und Δ t |
| Calculation of absorption of sound by the atmosphere |
Tony Faulkner's parallel AB figure-eight microphone pair |
| Calculations of harmonics from fundamental frequency |
Tony Faulkner's Phased Array microphone system - review |
| Interconnection of two units - Voltage bridging - Zout < Zin |
Phantom image sources - Stereo loudspeaker signals 1 |
| Calculation: Voltage divider - open-circuit and loaded |
Phantom image sources - Stereo loudspeaker signals 2 |
| dB dBu dBV Comparison Table for PPM and VU meters |
Temperature dependence of physical entities |
| Calculation: Damping of bridging and damping factor |
Measurement Unit Conversions - unit conversion calculator |
| Terms of Audio Engineering English and German |
• Go to German audio technology calculations 1  |
| Calculator: Conversions of pressure units |
• Go to German calculations 2 Geometry in German 3 |
| Loudness/Volume - Sound level change and the change of factors |
Formula symbols of electrical engineering & electroacoustics |
| Visualization of Microphone Systems - Calculation of Δ L and Δ t |
How do Sound Pressure Levels add when listening? |
| Combining levels of one-third octave bands to octave band |
Active Audio Filter |
| Total dB level adding of two sources |
Conversion: ALcons and STI |
| Comb filter - delay time, dips and peaks |
Amplifier, loudspeaker, and ohms - The missunderstood topic |
| Localization curves for loudspeaker stereophony |
Sound pressure and sound power - acoustic power and temperature |
| Measurement of input impedance and output impedance |
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| If you have feedback or criticism, please mail me. --> --> |
If you find errors: mailto:eberhard@sengpielaudio.com |
