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SignalScope
SignalScope turns your iOS device into a powerful real-time spectrum analyzer and oscilloscope. Easily measure audible frequencies in SignalScope’s FFT analyzer. “Touch” your data with highly interactive, multi-touch enabled analyzer displays. See http://youtube.com/faberast for video demos.
Input signals can be acquired from the built-in accelerometer, or from the current audio input path (iOS automatically selects the audio input path according to which external audio devices, if any, are connected to your device).
NOTE: The built-in and headset microphones of all recent iOS device models pass through a high-pass filter which significantly attenuates low-frequency signal content.
For iPhone/iPod touch audio I/O compatibility and frequency response measurements, visit http://blog.FaberAcoustical.com.
FEATURES
- Analyze signals coming from the iPhone's built-in or headset microphone, or from the built-in accelerometer.
- View real time analyzer displays on an external screen (supported on iPad only).
- Audio input is sampled at 48 kHz or 44.1 kHz, built-in accelerometer data is sampled at 100 Hz.
- Zoom in or out on spectrum and waveform displays with two-finger expand/pinch gestures, even while the analyzer is running.
- Pan vertically or horizontally in zoomed displays with two-finger scrolling.
- Pinpoint individual sample values or frequencies with a cursor.
- Save high-resolution spectrum or waveform display images as PDF files or as JPEG images in the iPhone's Camera Roll photo album.
SignalScope 3 supports full and partial upgrades to the additional tools and functionality offered in SignalScope Pro. Upgrades may be purchased via in-app purchase.
Available in-app purchase upgrades include:
- Full upgrade to the functionality of SignalScope Pro.
Signal Generator tool (not the same as SignalSuite).
Random and periodic pseudorandom noise (period defined by FFT length)
White and pink noise weighting
Lin and log frequency sweeps
Tone generator
Octave and 1/3-octave Analyzer tool (RTA).
Whole and 1/3-octave RTA (based on digital Butterworth bandpass filters)Fast, Slow, and Impulse response times
Flat, A, and C frequency weighting
Equivalent and time-weighted exponential average levels
Max, peak, and elapsed time also captured
Level Meter tool.
Flat, A, and C frequency weighting
Equivalent and time-weighted exponential average levels
Max, peak, and elapsed time also captured
Data acquisition (text and MAT file data capture) with downloading to Mac or PC via a standard web browser or iTunes File Sharing. Includes support for additional engineering units (V, A, g, ips), which are assignable to audio input channels.
What's new
Version 3.0.4
- An issue which sometimes prevented audio output from working properly has been corrected.
- Users are prompted once to reset default microphone and headset input sensitivities.
- Default sensitivity values are now listed on the Calibration page of the built-in Help documents.
Version 3.0.3
- Corrects an issue with in-app upgrades
Version 3.0.2
- Corrects default microphone sensitivities for iOS 5.
- iOS 5 enables iOS devices to measure sound levels up to 120 dB with the built-in microphone and 130 dB with the headset microphone. This is now supported.
Version 3.0.1
- Built for iOS 5
Version 3.0
- SignalScope now runs natively on iPad, as well as on iPhone and iPod touch devices.
- Analyzer plots can be saved to PDF files in addition to jpeg image files.
- Data files are accessible via iTunes file sharing, in addition to the app’s built-in web server. *
- Data files, including text and PDF files, can be previewed within the app or optionally opened in another compatible app. *
- Three color schemes are supported, offering black, blue, and white background colors (white may be preferred for printing results stored in PDF or jpeg images).
- In landscape orientation, the new full-screen mode hides the toolbar and tab bar to maximize the size of the analyzer displays.
- External displays are supported on iPad (up to 1920x1200 resolution on iPad 2; up to 720p on the original iPad). External display resolution is dependent on the screen resolution as well as the video output adapter connected to the iOS device.
- Twitter support has been removed.
* requires Data Acquisition upgrade
Screenshots
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- Last changed:
- Nov 19, 2011
- Category:
- Utilities
- Developer:
- Faber Acoustical, LLC
- Version:
- 3.0.4
- Average Rating:
- 4.00 (92)
- Size:
- 2.8 MB
