Comparison of voice loudness and quality for AAC: iPad, Samsung Android, Amazon Fire & Windows

This is a comparison of voice loudness and quality using the high quality Acapela child voice “Ella” in the CoughDrop AAC app on devices on four different platforms. I measured the peak loudness with the Decibel X app on my iPhone from 3 ft:
iPad 8th gen: 76.6 dB, best quality
Samsung Galaxy Tab S6 Lite: 74.1dB, close second in voice quality
Windows AWOW AiBook 10: 73.3 dB, noticeable lesser sound quality
Amazon Fire HD 8, 70.8 dB, noticeable lesser sound quality
See this separate video with the same test phrase, same voice, same app on my Samsung Android phone: 70 dB: • Sound Comparison: AAC ...
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Angela Moorad, MS, CCC-SLP, Founder of OMazing Kids, LLC, OMazing Kids AAC Consulting
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