gypsum plaster, white cementing material made by partial or complete dehydration of the mineral gypsum, commonly with special retarders or hardeners added. Applied in a plastic state (with water), it sets and hardens by chemical recombination of the gypsum with … Continue reading →

Cinema halls and audutoriums are carpeted and the walls are made of rought material, because these materials absorb the sound and do not allow them from going out of as, some times the sound can be a trouble to the … Continue reading →

The built-in speakers on your computer might be playing back the sound that your built-in mic is picking up, which could cause an echo. Check for sources of background noise.If you cannot move away from these sources of noise, then … Continue reading →

A crackling sound may indicate an issue with the media device or possibly a blown speaker. Check the cable used to connect the media device to the TV. Make sure it is firmly connected to both devices. Try to use … Continue reading →

Flutter echoes in a studio can be distracting and fatiguing, so it’s often worth putting up some absorbent foam on bare walls to reduce them. Don’t overdo it, though: you need to maintain a balanced acoustic. What causes flutter echo? … Continue reading →

High-Frequency Sounds Whistles. Mosquito. Computer devices. Screaming. Squeaking. Glass breaking. Nails on a chalkboard. What are some high-frequency sounds? Examples of “high-frequency” sounds are a bird chirping, a whistle, and the “s” sound in “sun.” What is an example of … Continue reading →

What glue will stick to drywall? Loctite® PL® 100 Drywall Construction Adhesive is a specially formulated, premium-grade adhesive for all drywall applications. It provides a solid, permanent bond for gypsum drywall and plasterboard to wood and metal studs, framing members, … Continue reading →

Acoustical reflectors are suspended ceiling panels which are strategically angled to reflect sound waves to the back.The sound absorption coefficients of acoustical seats significantly contribute to the auditorium’s acoustics. Why is auditorium made sound proof? Most auditoriums are built with … Continue reading →

Good acoustic design requires knowledge of the physics of sound, the engineering qualities of materials, and the unique attributes of music and then applying this knowledge to building construction to create a facility that allows listeners to have an outstanding … Continue reading →

MDF is very strong, and if you need structural integrity to come from the panels you are using, then MDF may be the way to go. MDF has a density of about 720 kg/m3, making it the densest option for … Continue reading →

Sonar is used in navigation, forecasting weather, and for tracking aircraft, ships, submarines, and missiles. Sonar devices work by bouncing sound waves off objects to determine their location. A sonar unit consists of an ultrasonic transmitter and a receiver. What … Continue reading →

Sound Therapy is effective in not only achieving a state of relaxation but it also has a way of moving through blockages in the body. Sound Therapy has been known to help treat such conditions as stress, anxiety, high blood … Continue reading →

Reflection of sound is used to measure the distance and speed of underwater objects.The working of a hearing aid is based on the reflection of sound. In a hearing aid, the sound waves are reflected into a slimmer area so … Continue reading →

Kinetic. Internal. Thermal. Potential. Gravitational. Elastic. Electric potential energy. Mechanical. What are the 3 different types of mechanical energy? The first form is rotational kinetic energy, the energy that is produced due to rotational motion. The second form is vibrational … Continue reading →

Herbicides contribute to air, water and soil pollution. It can contaminate the soil and the rainwater can carry these chemicals to other areas which will eventually pollute the waterways. Herbicide-contaminated waters can kill fish and other aquatic life. What are … Continue reading →