As mentioned in a previous post, iOS 16.0 fails to properly identify connected external audio input hardware (the selected input was always reported to be the built-in microphone). This problem, which we reported to and confirmed with Apple, has been addressed in iOS 16.1, which now properly identifies a connected and selected audio input in Faber apps. If you’re currently running SignalScope or SoundMeter apps on iOS 16.0, an upgrade to iOS 16.1 is recommended.
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How to Manually Adjust the Data Scale in SignalScope
Read more »Most tools in SignalScope include some kind of plot (graph) with an adjustable scale for viewing time or frequency domain data. Although each plot typically features one or more options for automatic scaling of the data, it is helpful to know that there are multiple ways to adjust the scale manually.
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SignalScope X 12.0 Now Available with New Tools and Features
Read more »SignalScope X receives a major upgrade with version 12.0, including new tools and features in each tool set.
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Auto-start the Data Recorder or the Octave Analyzer in SignalScope 11.5
Read more »With version 11.5 of SignalScope X, SignalScope Pro 2020, and SignalScope Advanced 2020, the Data Recorder and Octave Analyzer tools can be started automatically when a user-defined trigger event occurs. The trigger event consists of a single amplitude threshold on a designated trigger channel.
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Analyze DC-coupled audio inputs with SignalScope X
Read more »With the release of version 11.4 of SignalScope X, you can more easily generate and analyze signals with DC content, as long as you have compatible hardware with DC-coupled input and/or output channels. The number of audio interfaces with DC-coupled output channels seems to have been growing for some time, although very few interfaces offer DC-coupled inputs.
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SoundMeter X adds support for miniDSP UMIK-2
Read more »The UMIK-2 connects to an iPhone or iPad via USB with Apple’s Lightning to USB 3 camera adapter. When it is connected, SoundMeter X will recognize it and prompt you to enter the serial number which is printed on the UMIK’s label. Once the serial number has been entered, SoundMeter X will download the factory-supplied sensitivity information from the web and apply it immediately for factory-calibrated sound level measurements.
Latest Posts

How to Manually Adjust the Data Scale in SignalScope
Most tools in SignalScope include some kind of plot (graph) with an adjustable scale for viewing time or frequency domain data. Although each plot typically features one or more options for automatic scaling of the data, it is helpful to know that there are multiple ways to adjust the scale manually.
» Read more
SignalScope X 12.0 Now Available with New Tools and Features
SignalScope X receives a major upgrade with version 12.0, including new tools and features in each tool set.
» Read moreA Caution Regarding External Audio Input on iOS 16.0
If you regularly connect external devices to your iPhone to work with SignalScope or SoundMeter, you may want to hold off on installing iOS 16.
» Read moreSubscribe now and save
SignalScope X subscription prices will be going up in September, 2022 with the introduction of new tools and features.
» Read more
Auto-start the Data Recorder or the Octave Analyzer in SignalScope 11.5
With version 11.5 of SignalScope X, SignalScope Pro 2020, and SignalScope Advanced 2020, the Data Recorder and Octave Analyzer tools can be started automatically when a user-defined trigger event occurs. The trigger event consists of a single amplitude threshold on a designated trigger channel.
» Read more
Analyze DC-coupled audio inputs with SignalScope X
With the release of version 11.4 of SignalScope X, you can more easily generate and analyze signals with DC content, as long as you have compatible hardware with DC-coupled input and/or output channels. The number of audio interfaces with DC-coupled output channels seems to have been growing for some time, although very few interfaces offer DC-coupled inputs.
» Read more
SignalScope X 11.3 displays dBu and non-dB signal levels
As requested by our Pro Audio customers, SignalScope X Meter, Octave, FFT, and Spectrogram tools can now optionally display voltage levels in dBu.
» Read more
SoundMeter X adds support for miniDSP UMIK-2
The UMIK-2 connects to an iPhone or iPad via USB with Apple’s Lightning to USB 3 camera adapter. When it is connected, SoundMeter X will recognize it and prompt you to enter the serial number which is printed on the UMIK’s label. Once the serial number has been entered, SoundMeter X will download the factory-supplied sensitivity information from the web and apply it immediately for factory-calibrated sound level measurements.
» Read more
Measure CNC router spindle speed with SignalScope X
If you don’t have a laser tach handy, but you do have an iPhone in your pocket, you can measure the router spindle speed with the FFT analyzer tool in SignalScope X which can ‘listen’ to the router with the iPhone’s built-in microphone.
» Read more