Sound - Attenuation and Speed vs. Sound Frequency and Air Humidity

The speed and attenuation of sound in moist air varies with sound frequency and air humidity.

Related Topics

• Acoustics

  Room acoustics and acoustic properties, decibel A, B and C, Noise Rating (NR) curves, sound transmission, sound pressure, sound intensity and sound attenuation.

• Noise and Attenuation

  Noise is usually defined as unwanted sound - noise, noise generation, silencers and attenuation in HVAC systems.

Related Documents

• Air - Speed of Sound vs. Temperature

  Speed of sound in air at standard atmospheric pressure with temperatures ranging -40 to 1000 °C (-40 to 1500 °F) - Imperial and SI Units.

• Gases - Speed of Sound

  Speed of sound in some gases at zero degrees Celsius and atmospheric pressure.

• Lined Sheet-Metal Ducts - Sound Attenuation

  Noise attenuation in rectangular straight, lined, sheet metal ducts.

• Liquids - Speed of Sound

  Speed of sound in common fluids like water, glycerol, kerosene and more.

• Noise Attenuation in Chambers

  Chamber sound attenuation.

• Propagation of Outdoor Sound - Partial Barriers

  The transmission of outdoor sound through and around barriers - the Fresnel Number.

• Propagation of Sound Outdoors - Attenuation vs. Distance

  The propagation of outdoors sound vs. distance and attenuation.

• Seawater - Attenuation of Sound

  Attenuation of sound in seawater vs. temperature and frequency.

• Solids and Metals - Speed of Sound

  Speed of sound in solids and metals like aluminum, brass, concrete and more.

• Sound - Attenuation and the Directivity Coefficient

  The attenuation in a room depends on the location of the sound source and the receiver - and the room constant.

• Sound - Frequency, Wavelength and Octave

  An introduction to the nature of sound with frequencies, wave-lengths and octaves.

• Sound - Room Attenuation in Direct Sound Fields

  Room size, absorption characteristics - and attenuation in direct sound fields.

• Sound Attenuation - Main Duct to Branch Ducts

  Sound attenuation from main ducts to branch ducts.

• Sound Attenuation in Duct Elbows

  Noise attenuation in duct elbows by reflected sound.

• Sound Transmission through Flanking Paths

  Sound transmitted through duct walls, floors and ceilings.

• Sound Transmission through Massive Walls or Floors

  Sound transmission and attenuation in building elements like massive concrete walls or floors.

• Speed of Sound - Equations

  Calculate the speed of sound (the sonic velocity) in gases, fluids or solids.

• Speed of Sound vs. Elevation, Temperature and Air Pressure

  Altitude and speed of sound, temperature and pressure.

• Ventilation Systems - Acoustic Calculation Procedure

  Acoustic noise calculation procedure HVAC systems.

• Water - Speed of Sound vs. Temperature

  Speed of sound in water at temperatures ranging 32 - 212°F (0 - 100°C) - Imperial and SI units.

Search

Search is the most efficient way to navigate the Engineering ToolBox.

• Popular internal searches in the Engineering ToolBox

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with older versions of the amazing SketchUp Make and the newer "up to date" SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp Make/Pro from the Extension Warehouse !

Translate this Page

Translate this page to Your Own Language .

About the Engineering ToolBox!

Privacy Policy

We don't collect information from our users. More about

• the Engineering ToolBox Privacy Policy

Advertise in the ToolBox

If you want to promote your products or services in the Engineering ToolBox - please use Google Adwords. You can target the Engineering ToolBox by using AdWords Managed Placements.

Citation

This page can be cited as

• The Engineering ToolBox (2019). Sound - Attenuation and Speed vs. Sound Frequency and Air Humidity. [online] Available at: https://www.engineeringtoolbox.com/air-speed-sound-attenuation-humidity-frequency-d_2161.html [Accessed Day Month Year].

Modify the access date according your visit.

Unit Converter