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2. Total harmonic distortion - Wikipedia

   en.wikipedia.org/wiki/Total_harmonic_distortion

   These can be distinguished as THD F (for "fundamental"), and THD R (for "root mean square"). [12] [13] THD R cannot exceed 100%. At low distortion levels, the difference between the two calculation methods is negligible. For instance, a signal with THD F of 10% has a very similar THD R of 9.95%. However, at higher distortion levels the ...

3. Spurious-free dynamic range - Wikipedia

   en.wikipedia.org/wiki/Spurious-free_dynamic_range

   Spurious-free dynamic range (SFDR) is the strength ratio of the fundamental signal to the strongest spurious signal in the output. It is also defined as a measure used to specify analog-to-digital and digital-to-analog converters (ADCs and DACs, respectively) and radio receivers.

4. Audio system measurements - Wikipedia

   en.wikipedia.org/wiki/Audio_system_measurements

   Most audio components are designed to be linear across their entire operating range. Well-designed solid-state amplifiers and CD players may have a frequency response that varies by only 0.2 dB between 20 Hz to 20 kHz. [5] Loudspeakers tend to have considerably less flat frequency responses than this. Total harmonic distortion (THD)

5. Dynamic range - Wikipedia

   en.wikipedia.org/wiki/Dynamic_range

   Vinyl microgroove phonograph records typically yield 55-65 dB, though the first play of the higher-fidelity outer rings can achieve a dynamic range of 70 dB. [25] German magnetic tape in 1941 was reported to have had a dynamic range of 60 dB, [26] though modern-day restoration experts of such tapes note 45-50 dB as the observed dynamic range. [27]

6. dBc - Wikipedia

   en.wikipedia.org/wiki/DBc

   dBc (decibels relative to the carrier) is the power ratio of a signal to a carrier signal, expressed in decibels.For example, phase noise is expressed in dBc/Hz at a given frequency offset from the carrier. dBc can also be used as a measurement of Spurious-Free Dynamic Range between the desired signal and unwanted spurious outputs resulting from the use of signal converters such as a digital ...

7. Today’s NYT ‘Strands’ Hints, Spangram and Answers for ...

   www.aol.com/today-nyt-strands-hints-spangram...

   According to the New York Times, here's exactly how to play Strands: Find theme words to fill the board. Theme words stay highlighted in blue when found.

8. dBFS - Wikipedia

   en.wikipedia.org/wiki/DBFS

   Decibels relative to full scale (dBFS or dB FS) is a unit of measurement for amplitude levels in digital systems, such as pulse-code modulation (PCM), which have a defined maximum peak level. The unit is similar to the units dBov and decibels relative to overload ( dBO ).

9. Audio bit depth - Wikipedia

   en.wikipedia.org/wiki/Audio_bit_depth

   24-bit and 32-bit audio does not require dithering, as the noise level of the digital converter is always louder than the required level of any dither that might be applied. 24-bit audio could theoretically encode 144 dB of dynamic range, and 32-bit audio can achieve 192 dB, but this is almost impossible to achieve in the real world, as even ...