Analysis of information sources in references of the Wikipedia article "พิสัยการได้ยิน" in Thai language version.
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The absolute threshold usually starts to increase sharply when the signal frequency exceeds about 15 kHz. ... The present results show that some humans can perceive tones up to at least 28 kHz when their level exceeds about 100 dB SPL.
Under very favorable conditions most individuals can obtain tonal characteristics as low as 12 cycles.
{{cite book}}: CS1 maint: date auto-translated (ลิงก์)The absolute threshold usually starts to increase sharply when the signal frequency exceeds about 15 kHz. ... The present results show that some humans can perceive tones up to at least 28 kHz when their level exceeds about 100 dB SPL.
{{cite journal}}: CS1 maint: date auto-translated (ลิงก์){{cite journal}}: CS1 maint: date auto-translated (ลิงก์){{cite journal}}: CS1 maint: date auto-translated (ลิงก์){{cite journal}}: CS1 maint: date auto-translated (ลิงก์)The absolute threshold usually starts to increase sharply when the signal frequency exceeds about 15 kHz. ... The present results show that some humans can perceive tones up to at least 28 kHz when their level exceeds about 100 dB SPL.