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2. SINAD - Wikipedia

   en.wikipedia.org/wiki/SINAD

   SINAD. The signal-to-noise and distortion ratio ( SINAD) is a measure of the quality of a signal from a communications device, often defined as. where is the average power of the signal, noise and distortion components. SINAD is usually expressed in dB and is quoted alongside the receiver RF sensitivity, to give a quantitative evaluation of the ...

3. Speech transmission index - Wikipedia

   en.wikipedia.org/wiki/Speech_transmission_index

   Speech Transmission Index (STI) is a measure of speech transmission quality. The absolute measurement of speech intelligibility is a complex science. The STI measures some physical characteristics of a transmission channel (a room, electro-acoustic equipment, telephone line, etc.), and expresses the ability of the channel to carry across the characteristics of a speech signal.

4. LUFS - Wikipedia

   en.wikipedia.org/wiki/LUFS

   LUFS. Loudness, K-weighted, relative to full scale ( LKFS) is a standard loudness measurement unit used for audio normalization in broadcast television systems and other video and music streaming services. [1] [2] [3] LKFS is standardized in ITU-R BS.1770. [4] [5] [failed verification] In March 2011, the International Telecommunication Union ...

5. Noise dosimeter - Wikipedia

   en.wikipedia.org/wiki/Noise_dosimeter

   A noise or sound dose is the amount of sound a person is exposed to in a day. The dose is represented by a percentage. A noise dose of 100% means that a person has exceeded the permissible amount of noise. Any noise exposure after the 100% noise dose may damage hearing. The exchange rate is the rate at which exposure accumulates.

6. Scattering parameters - Wikipedia

   en.wikipedia.org/wiki/Scattering_parameters

   Scattering parameters or S-parameters (the elements of a scattering matrix or S-matrix) describe the electrical behavior of linear electrical networks when undergoing various steady state stimuli by electrical signals. The parameters are useful for several branches of electrical engineering, including electronics, communication systems design ...

7. Noise figure - Wikipedia

   en.wikipedia.org/wiki/Noise_figure

   The noise power from a simple load is equal to kTB, where k is the Boltzmann constant, T is the absolute temperature of the load (for example a resistor), and B is the measurement bandwidth. This makes the noise figure a useful figure of merit for terrestrial systems, where the antenna effective temperature is usually near the standard 290 K ...