App: SignalScope Advanced 2020
Developer: Faber Acoustical, LLC
Genres: Utilities, Education

NOTE: This app is no longer recommended for purchase, unless you need to run it on iOS 12 or 13. Otherwise, check out SignalScope X, or the new SignalScope Advanced 2022.

SignalScope Advanced 2020 offers an advanced tool set to meet your measurement and analysis needs as an engineer, consultant, educator, student, researcher, or savvy hobbyist in areas such as acoustics (sound and vibration), audio, electronics, and electroacoustics.

Features:
- Analyze signals coming from the Mac or iOS device’s current audio input device.
- Assign engineering units to your input signals and calibrate external transducers for accurate measurements.
- Assign input channel units and sensitivities for individual USB Audio devices.
- Direct support for Digiducer digital accelerometers and 485B39 USB ICP signal conditioner from The Modal Shop.
- Direct support for miniDSP UMIK-1 measurement microphone and EARS headphone/IEM measurement system.
- Nominal acoustic sensitivities included for iPhone and iPad built-in microphones, voltage sensitivities for headset input (including the Lightning-to-headset adapter included with recent iPhone models)
- Manually switch between available audio input and output sources.
- Load microphone frequency response data (FRD) and apply frequency response correction (FRC) to FFT-based measurements.
- Manually adjust audio sample rates, even up to 192 kHz, depending on input hardware.
- Save acquired measurement data to CSV, tab-delimited ASCII text, or MAT files.
- Save high-resolution analyzer display images to PDF files.
- Retrieve your data files from your device via Files (iCloud Drive), iTunes File Sharing, or through a web browser on another device. Files may also be opened in other compatible apps (e.g. Mail, Notes, Numbers, Dropbox, etc).

Basic Tools:
- Oscilloscope - Basic oscilloscope and triggering functions.
- FFT Analyzer - Spectrum analyzer with user-settable frequency limits and basic triggering
- 2D Real-time Spectrogram Analyzer
- XY Plotter - Create Lissajous curves on your Mac, iPhone, or iPad.

Advanced Tools:
- 3D Real-time Spectrogram Analyzer - Stunning live visualization of incoming data
- Octave-band Analyzer - Whole and 1/3-octave RTA
- Level Meter - Overall signal level meter
- Noise Dosimeter
- Data Recorder - Stream up to 8 channels to WAV, AIF, or CAF audio files.
- Stereo Signal Generator

Learn more about SignalScope Advanced 2020 at FaberAcoustical.com.

SignalScope Advanced 2020 will receive major upgrades, consistent with those available in the SignalScope X Advanced Tool Set subscription, through calendar year 2021, after which it will receive maintenance updates for a limited time. It can be used indefinitely thereafter on a compatible version of macOS or iOS.

Release notes:
- Support added for the latest Digiducer USB Digital Accelerometer models.
- Updated to improve stability on macOS 14, Sonoma.
- Fixed a crashing bug on iOS 12.