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Can amplitude and loudness increase - when two sound waves become out of phase?
Wiki User
∙ 12y ago
If they were originally phased to maximize amplitude, no; otherwise, yes
If the two waves are of different frequencies, the sound will be loudest when the wave peaks are synchronized, and quietest when the wave peaks and troughs are synchronized. This effect is called beat*, and can be more noticeable as the difference in frequencies becomes smaller since, up to a doubling of amplitude (loudness) is possible, in the resulting composite wave.
If they're the exact same frequency (pitch), the loudness can double to maximum, when the wave peaks are exactly synchronized, or, at minimum loudness, be canceled out entirely, when the peaks and troughs are exactly synchronized. All other values fall between these two conditions. The maximum and minimum effects depend on how the two waves are phased.
*This effect can be more noticeable as the difference in frequencies becomes smaller, since nearly a doubling of amplitude (loudness) is possible in the resulting composite wave.
Wiki User
∙ 12y ago
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When 2 identical signals are in phase the result is?
An increase in intensity or amplitude
What is it called when the crest of two waves overlap and result in an increased wave amplitude?
Superimposing of waves is when two or more waves travel through the same medium and intersect. The net displacement is the addition of the waves amplitude. If they are in phase they increase amplitude; out of phase, the amplitude decreases.
Compare the loudness of sound waves that are in phase when they interfere with the loudness of sound waves that are out of phase when they interfere?
they bounce im blood crips die
What is amplifier and oscillator?
amplifier is electronic circuit which is used to increase the amplitude of the input signal without affecting its frequency and phase.
What is the effect of interferance on wave amplitude?
In wave interference, the amplitude can be increased by in-phase addition or reduced by out of phase addition, or some combination dependent on phase angle.
If we increase the current then what about the power factor?
The power factor depends on the phase angle between the voltage and current on a conductor. The amplitude of the current has no effect on it.
Why quadrature modulation is used?
The aim is to increase capacity of the system as the signal can be represented using different phase angles as well as amplitude. F.Mmbaga
How does quadrature amplitude modulation works?
QAM is a combination of phase modulation & amplitude modulation.
What are three basic components of all signals?
•Amplitude-Height (loudness) of the wave-Measured in decibels (dB)•Frequency:-Number of waves that pass in a second-Measured in Hertz (cycles/second)-Wavelength, the length of the wave from crest to crest, is related to frequency•Phase:-Refers to the point in each wave cycle at which the wave begins (measured in degrees)-(For example, changing a wave's cycle from crest to trough corresponds to a 180 degree phase shift).
How phase lock loop is used as a universal detector for Amplitude Modulation?
I could certainly be wrong, but my recollection is that a phase locked loopis a universal detector for Frequency and Phase modulation, and is quiteinsensitive to Amplitude modulation.
How is signal recoverability improved in quadrature amplitude modulation?
by maximizing the measurable differences between shifts in phase and amplitude
What are the attributes of a sinusoidal waveform?
Amplitude, frequency/period and phase.
