inspectrum

• Support for SigMF files and annotations. Thanks to @schneider42 for doing much of the work on that.

• Support for files with real-valued samples.
• Fix build with Qt 5.15+ (#168).
• Maintain scroll position when adjusting zoom/FFT sliders (#172).
• Tighten transition band when filtering narrow signals (#166).

• Support for Qt 5.11.0. (#147)
• New feature: export symbols to clipboard. (#145)

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New features:

• Extra plots for IQ samples, amplitude, frequency and phase
• Cursors
• Symbol extraction using cursor positions
• Data export

Changes:

• Rotated view to work better on wide screens and align with trace plots - time is now on the X axis
• More file formats (sc8, uc8, sc16)

Minor maintenance release

Changes:

• Fix crash on files >= 16GiB
• Don't overwrite user's optimisation flags during build
• Clarify GPLv3+ licensing