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LineaSonora Magazine
News, analysis, and listening culture for attentive listeners worldwide.
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A Lower FFT Noise Floor Can Be the Same Noise in Narrower Bins
For broadband noise, doubling FFT length at a fixed sample rate halves bin spacing and can lower the displayed noise per bin by about 3 dB. Total noise over the same frequency range can remain unchanged.
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Why turning down the amplifier cannot fix clipped digital EQ
An EQ boost can overload a constrained digital stage even at a modest listening level. Follow the signal path: identify where peaks are raised, where the output range is limited, and whether attenuation is applied early enough.
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ARC and eARC: the format depends on the whole signal path, not the logo
ARC and eARC return television audio through HDMI, but neither label alone identifies the format a receiver or soundbar will receive. Start with where the audio originates, then trace every device, port and setting between that source and the final decoder.
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The LineaSonora magazine
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Formats, measurements, signal paths, and the engineering context behind hi-fi.
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Home cinema integration, immersive audio, and the living-room experience.
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Vinyl & Analogue
Turntables, phono stages, reissues, and the analogue listening chain.
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