SoundMeter 6.3 and SoundMeter Pro 2.3 now officially support the iTestMic and iAudioInterface2 from Studio Six Digital.
With iTestMic, microphone sensitivity will be automatically loaded from calibration information stored in the iTestMic’s internal memory. This calibration information may have been set at the factory, or it may have been set from within an app, such as SoundMeter. In SoundMeter, it is possible to perform a sensitivity calibration without overwriting the calibration values stored in the iTestMic. SoundMeter can also store that information in the iTestMic for calibrated measurements in other apps that support the iTestMic. SoundMeter also supports selecting iTestMic’s high and low input ranges.
Note: There is currently a bug that sometimes invalidates the calibration information stored within the iTestMic for the High mic input range. This bug affects use of the iTestMic with Studio Six Digital’s own apps, as well.
With iAudioInterface2, SoundMeter can select between mic and line input types, mic and line input gain ranges, and manual volume control options. The volume control knob of the iAudioInterface2 can be assigned to the input gain or the output gain, or it can be disabled entirely to avoid accidentally invalidating the current sensitivity calibration. Also from within the app, Phantom power and digital audio output may each be enabled or disabled. SoundMeter remembers each of these settings for the next time you connect iAudioInterface2 or relaunch the app.
The new SoundMeter apps also support the Dayton UMM-6 USB measurement microphone. When the UMM-6 is detected, the user will be prompted to enter its serial number, which is typically printed on a label on the UMM-6. If a valid serial number is entered, SoundMeter will automatically download a calibration file from Dayton’s website and set the microphone sensitivity based on the information in the file.
Note: The Dayton UMM-6 must be connected to your iOS device via Apple’s USB camera adapter (either for Lightning or 30-pin dock connector, depending on your device). Sometimes the UMM-6 shows up in iOS as USB PnP Sound Device. If that happens, unplugging the UMM-6 and plugging it back in will generally solve the problem (it may take 2 or 3 tries). When properly connected, “UMM-6″ will appear as the input device name in SoundMeter’s toolbar (at the top of the screen).
Download SoundMeter 6.3
Download SoundMeter Pro 2.3
IOScope 5, which is now available for download on the App Store, employs a new plotting framework for real-time data graphs and high resolution image export. The new plotting capability also enables live frequency response data to be overlaid on up to 7 frequency response curves loaded from existing data files (CSV, MAT, or text data files exported from the Frequency tab in IOScope). An additional benefit is IOScope’s ability to smooth frequency response data into fractional octave bands (1/6, 1/12, and 1/24 octave bandwidths).
Other additions to the new version of IOScope include:
– Built in support for iTestMic and iAudioInterface2 from Studio Six Digital.
– Built-in support for automatic downloading of sensitivity data for the Dayton UMM-6 USB measurement microphone.
– Support for drawing directly to an external screen (from iPad) has been removed in favor of screen mirroring, which is handled by iOS.
– Audio hardware input and output options are now presented from a separate toolbar button, which looks like a microphone, on iPad, iPhone 6 and iPhone 6 Plus.
– It is possible to adjust the line thickness of live and loaded frequency response data. The opacity of loaded data can also be adjusted in order to make the live data stand out in the graph.
IOScope brings two-channel transfer function and impulse response analysis to iOS.
With IOScope, measure loudspeaker impedance, frequency response, and sensitivity. Measure a room impulse response. Tune a large sound reinforcement system, time-align a set of surround sound speakers, or optimize your home stereo. Determine the actual cutoff frequencies of your latest speaker crossover circuit, or teach your students the fundamentals of Fourier analysis of dynamic systems.
Measure frequency response magnitude and phase, coherence, and group delay. Time domain functions enable you to measure impulse response and auto/cross-correlation. IOScope includes a built-in signal generator for producing suitable excitation signals to analyze your system or device under test (DUT). The reference signal can be taken from the internal signal generator or from an external source (when using an external reference, a stereo or multi-channel audio input device, connected to the dock connector, is required).
Download IOScope 5 on the App Store.
This week, all Faber apps for Mac OS received updates to improve their compatibility with Yosemite (Mac OS 10.10). Electroacoustics Toolbox 3.7, SignalScope Pro 3.7, SignalScope 3.7 and SignalSuite 4.7 are all 64-bit applications that have been built for Yosemite.
The Room Analyzer tool, available for in-app purchase in Electroacoustics Toolbox, now calculates room parameters in whole or 1/3-octave frequency bands from impulse response data that has been sampled at higher sample rates (88.2, 96, 176.4, and 192 kHz), in addition to sample rates of 44.1 and 48 kHz that were supported previously.
The Octave Analyzer tool, found in both Electroacoustics Toolbox and SignalScope Pro, also now supports the higher sample rates for real-time spectral analysis of input signals in whole or 1/3-octave frequency bands.
The Dual FFT Analyzer (only in Electroacoustics Toolbox) and FFT Analyzer tools now support additional dB vertical scale factors of 3, 6, 9, 12, 15, or 18 dB per division in the graphic display.
Various bugs and potential instabilities in each app have been corrected.
These new apps all require Mac OS version 10.7 or later.
Trial versions of each app may be downloaded from FaberAcoustical.com.
Like the recently released SignalScope Pro 4, SoundMeter Pro 2.0 can now uniquely identify USB audio devices attached to an iOS device and remember your settings for each audio device each time it is connected. Additionally, version 2 includes direct support for the miniDSP UMIK-1 USB measurement microphone. Sensitivity calibration and frequency response data for the UMIK-1 can be downloaded automatically, just by entering the UMIK-1’s serial number. Making calibrated sound level measurements is as easy as plugging in the UMIK-1 and typing in its serial number (the serial number only needs to be entered once, after which SoundMeter Pro will remember the microphone sensitivity).
SoundMeter Pro 2 supports manually switching between available audio inputs and outputs (i.e. if a headset microphone is connected, as well as a USB microphone, SoundMeter Pro allows you to manually switch between the built-in microphone, the headset microphone, and the USB microphone in the software without connecting or disconnecting any hardware). SoundMeter Pro 2 also supports manually switching between available microphones on devices, such as iPhones and some iPads, that have more than one built-in microphone.
Also new in SoundMeter Pro 2.0:
– Nominal input sensitivities have been updated for built-in microphones and headset inputs on iOS 8.
– On iOS 8, low, mid, and high input gain settings are available on all supported devices, for built-in microphones and headset input. Each gain setting now has an associated nominal input sensitivity. User calibrations are saved independently for each gain setting.
– A text formatting issue in MAT-file export has been corrected.
– Minor bug fixes and cosmetic enhancements.
– Apple’s Lightning to USB Camera Adapter or iPad Camera Connection Kit is required for connecting USB Audio devices to your iPhone, iPod touch, or iPad.
- SoundMeter Pro 2 requires iOS 7 or later.
Similar features have been added to SoundMeter 6.0, although select in-app upgrades may be required (available via in-app purchase).
Download SoundMeter Pro
SignalScope Pro version 4 can uniquely identify USB audio devices attached to iPhone, iPod touch, or iPad, and remember user settings for each device the next time it is connected. Direct support has been added for The Modal Shop’s model 333D01 USB digital accelerometer and miniDSP’s UMIK-1 USB measurement microphone. With the 333D01, SignalScope Pro automatically loads serial number and sensitivity calibration information directly from the device as soon as it is connected. When the UMIK-1 is connected, SignalScope Pro recognizes it and prompts the user for its serial number. Sensitivity calibration and frequency response data for the UMIK-1 can then be downloaded automatically, just by entering the UMIK-1’s serial number.
Another major new feature in version 4 is SignalScope Pro’s ability to load microphone frequency response data (FRD) and apply frequency response correction (FRC) to FFT spectrum measurements. FRD can be loaded for any input channel, for any kind of transducer (i.e. it’s not just for microphones). Sophisticated interpolation techniques are employed to generate a smooth frequency response
correction curve that matches the loaded data. This correction curve can then be applied to an FFT spectrum
of arbitrary length or frequency resolution.
Also new in version 4:
- SignalScope Pro directly supports The Modal Shop’s model 333D01 USB digital accelerometer, and can automatically load serial number and sensitivity calibration information directly from the device. Making calibrated acceleration measurements is as easy as plugging in the 333D01. Factory calibration information is embedded in exported audio files (from the Oscope tool) when data is acquired with the 333D01.
- SignalScope Pro directly supports the miniDSP UMIK-1 USB measurement microphone. Sensitivity calibration and frequency response data for the UMIK-1 can be downloaded automatically, just by entering the UMIK-1’s serial number. Making calibrated sound level measurements is as easy as plugging in the UMIK-1 and typing in its serial number (the serial number only needs to be entered once, after which SignalScope Pro will remember the microphone sensitivity).
- Additional dB scales of 3, 6, 12, 15, and 18 dB per div are now supported by the FFT analyzer. Also, when adjusting the dB scale manually, the dB offset will always be set as a multiple of the scale so that 0 dB is always available in the vertical axis labels.
- Minor bug fixes and cosmetic enhancements.
- Apple’s Lightning to USB Camera Adapter or iPad Camera Connection Kit is required for connecting USB Audio devices to your iPhone, iPod touch, or iPad.
- SignalScope Pro 4 requires iOS 7 or later.
Similar features have been added to SignalScope 5.0, although select in-app upgrades may be required (available via in-app purchase).
Download SignalScope Pro
Last year, researchers at NIOSH (the National Institute for Occupational Safety and Health) began looking at mobile sound level meter apps, hoping to find that such apps could be suitable for occupational noise measurements. -> read more …
Building on the success of SoundMeter, which debuted on the iPhone App Store in August of 2008, Faber Acoustical has announced the release of SoundMeter Pro. SoundMeter Pro turns your iPad, iPhone, or iPod touch into a handheld data-logging sound level meter (SLM), data-logging noise dosimeter, and real-time analyzer (RTA). -> read more …
RoomScope now presents a nonlinearity parameter to offer additional guidance on the validity of each acoustic decay parameter. -> read more …
Version 3.5 of Electroacoustics Toolbox extends AppleScript support to the Room Analyzer tool (sold separately). -> read more …
SoundMeter 4.1 offers percentile-exceeded sound levels (Lx) via in-app purchase. -> read more …