Frequency and wavelength of sound
appendix A Design tables and equations A.1 Frequency and wavelength of sound THE SPEED OF SOUND, the frequency of sound, and the wavelength of sound are fundamentally linked. By knowing two…
External and internal performance criteria
Noise 4.1 External and internal performance criteria THE WORLD HEALTH ORGANIZATION suggests external free-field levels of below LAeq (16hrs) 50–55 dB as being suitable to avoid serious disturbance or annoyance during…
A – Design tables and equations
appendix A Design tables and equations A.1 Frequency and wavelength of sound THE SPEED OF SOUND, the frequency of sound, and the wavelength of sound are fundamentally linked. By knowing two…
External noise control
Noise 4.1 External and internal performance criteria THE WORLD HEALTH ORGANIZATION suggests external free-field levels of below LAeq (16hrs) 50–55 dB as being suitable to avoid serious disturbance or annoyance during…
Absorption
Interaction of sound wave and medium SOUND INTERACTS WITH MEDIA in many different ways. When a sound wave strikes a wall, there is usually more than one phenomenon occurring to…
Transmission
Interaction of sound wave and medium SOUND INTERACTS WITH MEDIA in many different ways. When a sound wave strikes a wall, there is usually more than one phenomenon occurring to…
Reflection
Interaction of sound wave and medium SOUND INTERACTS WITH MEDIA in many different ways. When a sound wave strikes a wall, there is usually more than one phenomenon occurring to…
Guidelines on specification
Offices 9.1 The importance of good acoustics in office design THE IMPORTANCE OF GOOD ACOUSTICS within offices and its link to worker productivity has been known since the 1940s. It can…
Diffraction
Interaction of sound wave and medium SOUND INTERACTS WITH MEDIA in many different ways. When a sound wave strikes a wall, there is usually more than one phenomenon occurring to…
Scattering
Interaction of sound wave and medium SOUND INTERACTS WITH MEDIA in many different ways. When a sound wave strikes a wall, there is usually more than one phenomenon occurring to…