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Threshold of detection

Threshold of detection. Established according to some criterion. Other terms related to threshold. dB HL: Hearing level dB RETSPL: Reference equivalent threshold sound pressure level dB SL: Sensation level. HL to RETSPL conversion (Table 3.2 in textbook).

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Threshold of detection

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  1. Threshold of detection Established according to some criterion

  2. Other terms related to threshold • dB HL: Hearing level • dB RETSPL: Reference equivalent threshold sound pressure level • dB SL: Sensation level

  3. HL to RETSPL conversion (Table 3.2 in textbook) What is the SPL value corresponding to a 20 dB HL 4000 Hz tone? Is this the same for other types of headphones/sound field measurements?

  4. Instrumentation • Audiometer • Pure tone • Speech

  5. Pure tone generator Amplifier Attenuator Interrupter Headphone/ Insert earphone Bone conduction vibrator Pure tone audiometer

  6. Microphone/ CD/ Tape Amplifier Attenuator Interrupter Amplifier VU Meter Headphone/ Insert earphone Loudspeaker Speech audiometer

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