Este es un tema muy interesante ya que muchos habrán oído el "tono mosquito". Ese pito muy agudo y molesto que tapa los oídos. Eso podemos decir nosotros los adolescentes pero todos no lo pueden escuchar.
El pito es una alta frecuencia de 17 khz que sólo puede ser escuchado por niños, adolescentes, y muy pocos adultos sobre 30 años. Esto se debe a la "Presbiacusia", que es la pérdida gradual de audición a medida que se envejece.
Se dice que un ser humano puede escuchar hasta los 20 khz. Esto también depende de la edad y la sensibilidad de cada oído, pero es un hecho que si eres joven tu oído será mucho más sensible que cuando seas mayor.
Pon a prueba tu oído con el famoso tono:
No poner muy alto el volumen.
http://www.20minutos.es/data/adj/2006/09/28/288.mp3
Ahora comprueba tu rango audible:
| 8khz | Everyone | Play The 8khz Tone (Right-Click to Download) |
| 10khz | 60 & Younger | Play The 10khz Tone (Right-Click to Download) |
| 12khz | 50 & Younger | Play The 12khz Tone (Right-Click to Download) |
| 14.1khz | 49 & Younger | Play The 14.1khz Tone (Right-Click to Download) |
| 14.9khz | 39 & Younger | Play The 14.9khz Tone (Right-Click to Download) |
| 15.8khz | 30 & Younger | Play The 15.8khz Tone (Right-Click to Download) |
| 16.7khz | <> | Play The 16.7khz Tone (Right-Click to Download) |
| 17.7khz | <> | Play The 17.7khz Tone (Right-Click to Download) |
| 18.8khz | <> | Play The 18.8khz Tone (Right-Click to Download) |
| 19.8khz | <> | Play The 19.8khz Tone (Right-Click to Download) |
| 21.1khz | <> | Play The 21.1khz Tone (Right-Click to Download) |
| 22.4khz | <> | Play The 22.4khz Tone (Right-Click to Download) |
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