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Topics - sbiggar

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SoundMeter / Interaction of SoundMeter and "made for iPhone" hearing aids
« on: January 02, 2017, 12:47:52 PM »
I realize my request is not typical and is probably not a real issue but I'm not sure where else to ask.

I've got SoundMeter 8.4.3 (r1594) with the Octave Analyzer option installed on an iPhone 6 Plus running iOS 10.2.  I'm older and use hearing aids (moderate to severe high frequency loss) so I'm interested in sound levels in various environments (like my office with loud air handlers).  Recently I got new "made for iPhone" hearing aids from Oticon (Opn).  The aids connect to the phone using Bluetooth and cell phone calls are routed directly to the hearing aids but the internal iPhone microphone is used for transmitting sound for phone calls.  When the hearing aids are connected, the Octave analyzer will not run.  It issues a message in a white box:  Unsupported Sample Rate The selected input device operates at a sample rate which is not supported for octave band analysis.

The SoundMeter Meter part works fine using the "Bottom microphone" input with or without the hearing aids connected.

I assume that the hearing aid connection has set up the audio sampling hardware in a mode that is incompatible with the analyzer.

I wonder if an external calibrated mic with external A/D and electronics (iTestMic2 for example) would work correctly with SoundMeter and the analyzer option with my hearing aids connected to the phone?

Thanks,

Stuart

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