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Espectro audible




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O espectro audible confórmano as audiofrecuencias, é dicir, toda a gama de frecuencias que pueden ser percibidas polo oído humano.


Un oído san e xove é sensible ás frecuencias comprendidas entre os 20 Hz e os 20 kHz. Porén, esta marxe varía segundo cada persoa e altérase coa idade (chamamos presbiacusia á perda de audición coa idade). Este rango equivale moi aproximadamente a dez oitavas completas (210=1024).


Fóra do espectro audible:


  • Por riba estarían os ultrasóns (ondas acústicas de frecuencias superiores aos 20 kHz).

  • Por debaixo, os infrasóns (ondas acústicas inferiores aos 20 Hz).

O espectro audible podemos subdividilo en función dos tons:


  • Tons graves (frecuencias baixas, correspondentes ás 4 primeiras oitavas, isto é, dende os 16 Hz aos 256 Hz).

  • Tons medios (frecuencias medias, correspondentes ás oitavas quinta, sexta e sétima, isto é, de 256 Hz a 2 kHz).

  • Tons agudos (frecuencias altas, correspondentes ás tres últimas oitavas, isto é, de 2 kHz ata pouco máis de 16 kHz).



Control de autoridades

  • Wd: Q1413664

  • GND: 4171844-6

  • JSTOR: audio-frequencies

  • NDL: 01007662




Traído desde "https://gl.wikipedia.org/w/index.php?title=Espectro_audible&oldid=4169709"










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