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Figure 2: Mean output levels at preferred listening settings in quiet, in the presence of 65 dB SPL bus noise and at maximum volume control settings for mobile phones. Mean output in dB SPL is depicted at octave frequencies along with overall dBA and Leq8h

Figure 2: Mean output levels at preferred listening settings in quiet, in the presence of 65 dB SPL bus noise and at maximum volume control settings for mobile phones. Mean output in dB SPL is depicted at octave frequencies along with overall dBA and Leq8h