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A 50 dB SPL tone at 125 Hz is perceived to be louder than a 40 dB SPL tone at 1000 Hz. This is because the 50 dB SPL tone is louder than the 40 dB SPL tone by a factor of 10.

Which Tone is LOUDER: A 50 dB SPL Tone at 125 Hz or a 40 dB SPL Tone at 1000 Hz?

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Question: For a normal hearing listener with thresholds of 0 dB HL at audiometric frequencies, which would be perceived as louder, a 50 dB SPL tone at 125 Hz or a 40 dB SPL tone at 1000 Hz? Why?

Asked by ace

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The 40 dB SPL tone at 1000 Hz would be perceived as louder because as the frequency increases, a lesser intensity is needed to produce the same loudness level. This is due to the loudness curve, which takes into account our decreased sensitivity to low frequencies.

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This article was generated in part by one of OpenAI’s large-scale language-generation model, answering user ace's question. Images were generated with OpenAI's AI model, DALL·E 2. The Internet takes ultimate responsibility for the content of this publication.
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Published: Wednesday, December 14, 2022

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