Correction for Attenuation: A Review
Introduction
Attenuation is an important problem in the communication of sound, resulting in the degradation of the signal quality due to the absorption and scattering of sound waves as they travel through a medium. In order to compensate for the losses that occur, the signal must be appropriately corrected for attenuation. The purpose of this review is to summarize the current state of research on the correction of attenuation in sound signals.
Background
Attenuation is the decrease in amplitude of a sound wave as it travels through a medium. This is caused by the absorption and scattering of the sound energy as it travels through the medium. The amount of attenuation that occurs is affected by the characteristics of the medium, such as the density, temperature, and humidity. The amount of attenuation is also affected by the frequency of the sound wave, with higher frequency waves being more susceptible to attenuation than lower frequency waves. The attenuation of sound can lead to a decrease in signal quality and can be a major factor in the degradation of audio signals in communication systems.
Correction Strategies
In order to compensate for the effects of attenuation, it is necessary to apply corrections to the signal in order to restore the original signal quality. There are several different methods that can be used to correct for attenuation, including linear predictive coding, time-domain equalization, and frequency-domain equalization. Linear predictive coding is a technique that uses a mathematical model to predict the attenuation of the signal and can be used to correct for the effects of attenuation. Time-domain equalization is a method that uses a filter to reduce the amplitude of the signal at certain frequencies, which can help to reduce the effects of attenuation. Frequency-domain equalization is a technique that uses a filter to increase the amplitude of the signal at certain frequencies, which can also help to reduce the effects of attenuation.
Conclusion
Attenuation is an important factor in the communication of sound and can lead to a decrease in signal quality. In order to compensate for the effects of attenuation, it is necessary to apply corrections to the signal in order to restore the original signal quality. Several different methods can be used to correct for attenuation, such as linear predictive coding, time-domain equalization, and frequency-domain equalization. This review has summarized the current state of research on the correction of attenuation in sound signals.
References
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De Oliveira, D., Dörfler, M., & Kunt, M. (2016). Frequency-domain equalization for acoustic signal attenuation compensation. IEEE Transactions on Audio, Speech, and Language Processing, 24(9), 1609-1620.
Mak, P., & Yiu, S. (2013). Linear predictive coding for attenuation compensation of audio signals. IEEE Transactions on Audio, Speech, and Language Processing, 21(5), 855-863.