1970s hi-fi loudness controls compensated for low-level hearing loss but were flawed

Related

• High ambient noise forces listeners to raise volume toward hearing-loss levels (similarity 0.86)
• Modern headphones can prevent rather than cause hearing loss (similarity 0.85)
• Hearing thresholds vary individually but share a common perceptual order (similarity 0.85)
• Vintage hi-fi loudness buttons compensated imperfectly for low-level hearing loss (similarity 0.84)
• Microphones and loudspeakers are not truly reciprocal transducers (similarity 0.83)
• Auditory sensitivity varies nonuniformly across the frequency range (similarity 0.83)
• The 1970s loudness button wrongly assumed a flat frequency response (similarity 0.83)
• Speech reception thresholds plateau beyond a target low-pass attenuation floor (similarity 0.82)
• Scientific studies of loudspeaker directivity effects in rooms are scarce despite high enthusiast interest (similarity 0.82)
• Hyperacusis and tinnitus persist even despite decades of careful ear protection (similarity 0.82)
• Low-frequency residual sound may contribute disproportionately to binaural loudness (similarity 0.82)
• Auditorium speaker placement creates extreme sound level variation from front to back (similarity 0.82)
• Low-frequency tones become relatively louder as level increases. (similarity 0.82)
• The audiogram normalizes hearing data so deviations from typical are visually obvious (similarity 0.81)
• Amounts of masking are expressed as dB differences, not absolute dB SPL levels. (similarity 0.81)