In this video, i have explained Sound in Audio and Video Engineering, Television Engineering with following timecodes:

0:00 - Audio Video System / Television Engineering Lecture Series
0:20 - Outlines on Sound
0:53 - Basics of Sound
4:26 - Propagation of Sound
7:26 - Velocity of Sound
8:41 - Measurement of Sound

Following points are covered in this video:

0. Sound
1. Basics of Sound
2. Propagation of Sound
3. Velocity of Sound
4. Measurement of Sound
5. Properties of Sound

Engineering Funda channel is all about Engineering and Technology. Here this video is a part of Audio and Video Engineering, Television Engineering.

#Sound, #PropagationofSound, #VelocityofSound, #PropertiesofSound, #AudioandVideoSystem, #TelevisonEngineering

Details of Sound basics, Propagation of Sound, Velocity of Sound, Measurement of Sound & Properties of Sound:

Sound is a form of energy that travels in the form of waves through a medium, such as air, water, or solid objects. When an object vibrates, it creates a disturbance in the medium, which causes the air molecules to compress and rarefy, producing sound waves.

The propagation of sound waves depends on several factors, including the medium through which it is traveling and the frequency of the sound. In general, sound travels faster through denser materials, such as solids and liquids, than through gases like air. The speed of sound in air at room temperature is approximately 343 meters per second or 1,125 feet per second.

The velocity of sound is affected by temperature, humidity, and pressure. As temperature increases, the speed of sound also increases, as the air molecules vibrate more rapidly. Conversely, as humidity increases, the speed of sound decreases because water vapor molecules are less dense than air molecules. At higher altitudes, where the air pressure is lower, the speed of sound also decreases.

Sound is measured in units of decibels (dB), which is a logarithmic scale that quantifies the intensity of sound relative to the threshold of hearing. The human ear can detect sounds ranging from 0 dB, which is the threshold of hearing, to 120 dB, which is the threshold of pain. Exposure to sound levels above 85 dB for prolonged periods can lead to hearing damage.

The properties of sound include frequency, wavelength, amplitude, and phase. Frequency refers to the number of cycles per second in a sound wave and is measured in hertz (Hz). The wavelength is the distance between two consecutive points on a wave that are in phase, and it is related to the frequency by the equation wavelength = speed of sound / frequency.

Amplitude refers to the intensity or loudness of a sound wave and is measured in units of decibels. The phase refers to the position of a sound wave at a given point in time relative to a fixed reference point, such as the start of the wave. The phase can affect the interference pattern of sound waves and can result in constructive or destructive interference.

Overall, understanding the basics of sound is important for fields like acoustics, music, and engineering, among others.