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Home audiometer 1.9 serial9/18/2023 The long-term average of the sound pressure level over the time of recording (LAseq) was recorded using the 3M SoundPro Class 1 1/3 Octave RTA sound level meter (SLM). The sounds were delivered through a pair of Sennheiser HD 280 Pro headphones connected to the Sound Blaster X-Fi Surround 5.1 Pro sound card. Six sounds (broadband noise, rain, ocean, waterfall, Quranic chapters Al-Fatihah, and Yasin recitations) were calibrated at the intensity levels of 45, 50, 55, 60, 65, 70, 75, and 80dBA. This paper aims to provide a general guideline for calibrating sound files using free software, specifically Audacity®. The intensity of the sounds for sound therapy needs to be properly calibrated to ensure their accuracy and effectiveness. ![]() Sound therapy is one of the complementary or alternative interventions for various populations.
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