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Frequency-Weightings for Sound Level Measurements
https://www.nti-audio.com/en/support/know-how/frequency-weightings-for-sound-level-measurements
What is A-weighting?
https://community.sw.siemens.com/s/article/what-is-a-weighting
The A-weighting Curve. A-weighting is an established, standard curve that attempts to alter the sound pressure levels of recorded by a microphone measurement to more closely match the perception of the human ear. The A-weighting curve (Figure 3) shows decibels of attenuation or gain at every frequency over the range of human hearing. This …
Frequency-Weighting Sound Level Measurements: dB(A) vs. dB(C)
https://acoustical-consultants.com/acoustics/frequency-weighting-sound-level-measurements-a-weighting-dba-vs-c-weighting-dbc/
The frequency-weighting is referred to as the “A-scale.” Most instrumentation for measuring sound has the capability to weight all of the component frequencies of a sound, and sum them into a single number; sounds measured in this way are designated in units of A-weighted decibels dB(A).
Audio Quality Measurement Primer
http://ecee.colorado.edu/~mcclurel/intersil_audio_an9789.pdf
A-Weighting Filter For Audio Measurements - sound-au.com
https://sound-au.com/project17.htm
Set up the equipment, and play the signal at about 74dB (unweighted). Prove that the meter (set for C or Z-Weighting) shows an increase when the 30Hz component is boosted, and that you can hear the difference (it should be very obvious). Now, …
A-weighting - Wikipedia
https://en.wikipedia.org/wiki/A-weighting
Sound Quality Metrics: Loudness and Sones
https://community.sw.siemens.com/s/article/sound-quality-metrics-loudness-and-sones
Furthermore, the A-weighting curve does not change as a function of sound level, like the equal loudness curves do. Figure 11: The A-weighting curve (black) is much simpler than the equal loudness curves (outlined in blue with grey, inverted). The A-weighting decibel value is more representative of perceived loudness than linear decibels.
Sound Quality Analyzer | VIacoustics
https://viacoustics.com/products/sound-quality-analyzer/
Sound Quality Analyzer conducts the following analysis. Weighted Sound Levels Overall (A, B, C, Linear) Weighted Sound Levels vs Time (A, B, C, Linear) 1/N Octave Band Analysis (1/1, 1/3, 1/6, 1/12, 1/24) FFT Analysis (Magnitude, Power Spectrum, Power Spectral Density) with user selectable resolution. Short Time Fourier Transfer (STFT) Analysis.
Sound Quality Comparison of Hi-Res Audio vs. CD vs. …
https://electronics.sony.com/hi-res-audio-mp3-cd-sound-quality-comparison
Bose Wave SoundTouch Music System IV Review • …
https://www.audiostance.com/bose-wave-soundtouch/
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