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Metodiche di analisi in frequenza Metodiche di analisi in frequenza

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(1)

Metodiche di analisi in frequenza

Metodiche di analisi in frequenza

(2)

Spettri in ottava e 1/3 di ottava:

Spettri in ottava e 1/3 di ottava:

• Bande di 1/3 ottava

• Bande di 1/1 ottava

(3)

Spettri in banda stretta:

Spettri in banda stretta:

• Asse frequenze lineare

• Asse frequenze logaritmico

(4)

Rumore bianco e rumore rosa Rumore bianco e rumore rosa

• Rumore bianco:

Piatto in una analisi in banda stretta

•Rumore rosa:

piatto in una analisi in ottave

o terzi di ottava

(5)

Bande Critiche (BARK):

Bande Critiche (BARK):

The Bark scale is a psychoacoustical scale proposed by Eberhard Zwicker in 1961. It is named

after Heinrich Barkhausen who proposed the first

subjective measurements of loudness

(6)

Bande Critiche (BARK):

Bande Critiche (BARK):

Riferimenti

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