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Speech Audiometry - Lessons
https://www.costcohaap.com/documents/SpeechAudiometryEvaluationWorkbook_000.pdf#:~:text=Before%20beginning%20any%20speech%20testing%20it%20is%20critical,peak%20at%200%20dB%20on%20your%20VU%20meter.
Calibration of Speech Signals Delivered Via Earphones
https://www.asha.org/policy/RP1987-00019/
A calibration signal from any prerecorded speech audiometric signal can be sent to zero VU and used for calibration of the speech circuit with a tape or disc input. For a microphone input, an external 1000 Hz tone must be provided.
Speech Audiometry - Lessons
https://www.costcohaap.com/documents/SpeechAudiometryEvaluationWorkbook_000.pdf
End speech audiometry with speech Uncomfortable Loudness Levels (UCL) as the member will have had time ... For recorded speech there is a calibration tone prior to the series of word lists. Play the tone at 0 dB HL (so the member doesn’t hear the tone). The stimulus should peak at 0 dB on your VU meter.
Speech audiometry | Cochlea
http://www.cochlea.eu/en/audiometry/subjective-measure/speech-audiometry
In the case of mismatch between the results of these tests, the diagnostic test used, equipment calibration or the reliability of the responses should be called into question. Finally, remember that speech audiometry is a more sensitive indicator than pure tone audiometry in many cases, including rehabilitation after cochlear implantation.
What is going on with these speech calibration results?
https://www.interacoustics.com/us/academy/faq/audiometry/what-is-going-on-with-these-speech-calibration-results
IEC 60645-2:1993 Audiometers - Part 2: Equipment for speech audiometry "We did run the calibration tone through the audiometer’s speech circuit (via Ext A) yes - that is a good point. ... On this topic, 60645-2 says the following “If the speech and calibration signal are not at the same level the method of calibration shall be described. If ...
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