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# 7.5: Data Tables


Table 1

Frequency (Hz)

Level (dB)

1000

125

250

500

2000

4000

Table 2

Frequency (Hz)

Level (dB)

1000

125

250

500

2000

4000

ISO 226:2003 Equal Loudness Graph

7.5: Data Tables is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by James M. Fiore via source content that was edited to conform to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.