Audio synthesis, processing, & analysis platform for iOS, macOS and tvOS
This report summarizes scanner evidence for AudioKit/AudioKit, a Swift project with 11,488 GitHub stars. SynthScan examined 31,146 lines of code across 200 source files, recording 79 pattern matches distributed across 2 syntactic categories. The legacy adjusted pattern signal is 2.7 (Low pattern signal); it is not an authorship estimate.
Use the findings to ask whether maintainers can explain intent, verify dependencies, simplify unnecessary scaffolding, and focus review effort. Risk Payload v1 adds ownership, supply-chain, over-engineering, and review-effort vectors when available. These are prompts for human verification, not probabilities, security findings, or measured maintenance costs.
Use each vector to guide manual verification of the underlying findings.
Payload schema: 1.0.0 · Engine: 2.0.0 · Scoring: heuristic-density-v1 · Scan date: 2026-10-31.
Can maintainers explain intent, assumptions, and trade-offs? 79 finding(s).
Are imports declared and package/API names verified? 0 finding(s).
Are wrappers, guards, and repeated structures necessary? 0 finding(s).
Which changes need focused human review? 79 finding(s).
This chart tracks the legacy adjusted pattern score across scan runs. Changes can reflect source changes, scan coverage, or detector/scoring versions; they do not measure AI adoption or prove that a team refactored code. Compare runs only when their scoring versions are compatible. The dashed line tracks the raw pattern-hit count.
Groups findings by configured severity weight. Severity is not a confidence estimate, security rating, or proof that a package is missing. Verify imports against the project's manifests and inspect each finding in its local design context.
This horizontal bar chart shows where configured pattern scores accumulate across directories. Treat the bars as locations to inspect, not as evidence of authorship or code quality. Use the file-level findings to decide whether a directory needs a focused ownership, dependency, complexity, or review check.
The scanner identified 79 distinct pattern matches across 2 syntactic categories. Each entry below represents a discrete location in the source code where the engine recorded a detector match to inspect in context. Expand any category row to inspect the individual file paths, line numbers, code snippets, and the lexical context (CODE, COMMENT, or STRING) in which each match was detected.
Reading the findings table: The Severity column indicates the configured finding weight (CRITICAL / HIGH / MEDIUM / LOW). The Context column identifies whether the match occurred inside executable code, an inline comment, or a string literal — legacy comment-context matches receive a ×1.5 score weight. The ⚡ bolt icon marks clustered matches: three or more patterns within a 10-line window, each receiving an additional ×1.5 density multiplier under the legacy scoring model.
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| LOW | …iles/Format Converter/FormatConverter+Compressed.swift | 1 | // Copyright AudioKit. All Rights Reserved. Revision History at http://github.com/AudioKit/AudioKit/ | COMMENT |
| LOW | Sources/AudioKit/Sequencing/Duration.swift | 101 | /// Subtract from a duration | COMMENT |
| LOW | …s/AudioKit/Sequencing/Apple Sequencer/MusicTrack.swift | 521 | /// Erases current note events and recreates track from note data in MIDINoteData array | COMMENT |
| LOW | Sources/AudioKit/MIDI/MIDICallbackInstrument.swift | 61 | /// - Parameters: | COMMENT |
| LOW | Sources/AudioKit/MIDI/MIDIInstrument.swift | 141 | // Do nothing | COMMENT |
| LOW | Sources/AudioKit/MIDI/MIDIInstrument.swift | 161 | /// - Parameters: | COMMENT |
| LOW | Sources/AudioKit/MIDI/MIDIInstrument.swift | 221 | /// - noteNumber: Note number to play | COMMENT |
| LOW | Sources/AudioKit/MIDI/MIDIListener.swift | 21 | /// Receive the MIDI note on event | COMMENT |
| LOW | Sources/AudioKit/MIDI/MIDIListener.swift | 41 | /// - channel: MIDI Channel (1-16) | COMMENT |
| LOW | Sources/AudioKit/MIDI/MIDIListener.swift | 81 | /// Receive global aftertouch | COMMENT |
| LOW | Sources/AudioKit/MIDI/MIDI+VirtualPorts.swift | 1 | // Copyright AudioKit. All Rights Reserved. Revision History at http://github.com/AudioKit/AudioKit/ | COMMENT |
| LOW | Sources/AudioKit/MIDI/MIDI+Extensions.swift | 41 | } | COMMENT |
| LOW | Sources/AudioKit/MIDI/MIDIEvent.swift | 241 | /// - noteNumber: MIDI Note number | COMMENT |
| LOW | Sources/AudioKit/MIDI/MIDIEvent.swift | 261 | /// | COMMENT |
| LOW | Sources/AudioKit/MIDI/MIDISampler.swift | 101 | /// - Parameters: | COMMENT |
| LOW | Sources/AudioKit/MIDI/MIDI+Receiving.swift | 1 | // Copyright AudioKit. All Rights Reserved. Revision History at http://github.com/AudioKit/AudioKit/ | COMMENT |
| LOW | Sources/AudioKit/MIDI/Enums/MIDIControl.swift | 1 | // Copyright AudioKit. All Rights Reserved. Revision History at http://github.com/AudioKit/AudioKit/ | COMMENT |
| LOW | Sources/AudioKit/MIDI/Enums/MIDIControl.swift | 21 | /// - AllNotesOff: MIDI Panic | COMMENT |
| LOW | Sources/AudioKit/MIDI/Enums/MIDIControl.swift | 61 | /// Cutoff | COMMENT |
| LOW | Sources/AudioKit/MIDI/Enums/MIDIControl.swift | 81 | /// GP Button 3 | COMMENT |
| LOW | Sources/AudioKit/MIDI/Enums/MIDIControl.swift | 121 | /// Mono Operation | COMMENT |
| LOW | Sources/AudioKit/MIDI/Enums/MIDIControl.swift | 161 | /// Continuous Controller Number 25 | COMMENT |
| LOW | Sources/AudioKit/MIDI/Enums/MIDIControl.swift | 181 | /// Continuous Controller Number 33 | COMMENT |
| LOW | Sources/AudioKit/MIDI/Enums/MIDIControl.swift | 201 | /// Main Volume Least Significant Byte | COMMENT |
| LOW | Sources/AudioKit/MIDI/Enums/MIDISystemCommand.swift | 1 | // Copyright AudioKit. All Rights Reserved. Revision History at http://github.com/AudioKit/AudioKit/ | COMMENT |
| LOW | Sources/AudioKit/MIDI/Enums/MIDIStatus.swift | 61 | } | COMMENT |
| LOW | Sources/AudioKit/MIDI/Enums/MIDIStatus.swift | 81 | /// | COMMENT |
| LOW | Sources/AudioKit/MIDI/Utilities/MIDIHelper.swift | 1 | // Copyright AudioKit. All Rights Reserved. Revision History at http://github.com/AudioKit/AudioKit/ | COMMENT |
| LOW | Sources/AudioKit/MIDI/MIDIFile/MIDIFileTrackMap.swift | 1 | // Copyright AudioKit. All Rights Reserved. Revision History at http://github.com/AudioKit/AudioKit/ | COMMENT |
| LOW | …ces/AudioKit/MIDI/Listeners/MIDIMonoPolyListener.swift | 1 | // Copyright AudioKit. All Rights Reserved. Revision History at http://github.com/AudioKit/AudioKit/ | COMMENT |
| LOW | …ces/AudioKit/MIDI/Listeners/MIDIMonoPolyListener.swift | 61 | /// Receive the MIDI note on event | COMMENT |
| LOW | …ces/AudioKit/MIDI/Listeners/MIDIMonoPolyListener.swift | 81 | /// - noteNumber: MIDI Note number of released note | COMMENT |
| LOW | …ces/AudioKit/MIDI/Listeners/MIDIMonoPolyListener.swift | 101 | /// - portID: MIDI Unique Port ID | COMMENT |
| LOW | …ces/AudioKit/MIDI/Listeners/MIDIMonoPolyListener.swift | 141 | COMMENT | |
| LOW | Sources/AudioKit/MIDI/Listeners/MIDIOmniListener.swift | 21 | COMMENT | |
| LOW | Sources/AudioKit/MIDI/Listeners/MIDIOmniListener.swift | 41 | /// | COMMENT |
| LOW | Sources/AudioKit/MIDI/Listeners/MIDIOmniListener.swift | 81 | COMMENT | |
| LOW | Sources/AudioKit/MIDI/Listeners/MIDIOmniListener.swift | 101 | /// - Parameters: | COMMENT |
| LOW | Sources/AudioKit/MIDI/Listeners/MIDITempoListener.swift | 1 | // Copyright AudioKit. All Rights Reserved. Revision History at http://github.com/AudioKit/AudioKit/ | COMMENT |
| LOW | Sources/AudioKit/MIDI/Listeners/MIDITempoListener.swift | 21 | COMMENT | |
| LOW | Sources/AudioKit/MIDI/Listeners/MIDITempoListener.swift | 221 | /// | COMMENT |
| LOW | Sources/AudioKit/MIDI/Listeners/MIDITempoListener.swift | 241 | /// - velocity: MIDI Velocity (0-127) usually speed of release, often 0. | COMMENT |
| LOW | Sources/AudioKit/MIDI/Listeners/MIDITempoListener.swift | 261 | /// - timeStamp: MIDI Event TimeStamp | COMMENT |
| LOW | Sources/AudioKit/MIDI/Listeners/MIDITempoListener.swift | 301 | COMMENT | |
| LOW | Sources/AudioKit/MIDI/Listeners/MIDIBeatObserver.swift | 21 | func stopSRT() | COMMENT |
| LOW | Sources/AudioKit/MIDI/Listeners/MIDIBeatObserver.swift | 61 | COMMENT | |
| LOW | Sources/AudioKit/MIDI/Listeners/MIDIClockListener.swift | 1 | // Copyright AudioKit. All Rights Reserved. Revision History at http://github.com/AudioKit/AudioKit/ | COMMENT |
| LOW | …dioKit/MIDI/Listeners/MIDISystemRealTimeListener.swift | 101 | /// - timeStamp: MIDI Event TimeStamp | COMMENT |
| LOW | …dioKit/MIDI/Listeners/MIDISystemRealTimeListener.swift | 141 | // Do nothing | COMMENT |
| LOW | …dioKit/MIDI/Listeners/MIDISystemRealTimeListener.swift | 161 | /// Receive global aftertouch | COMMENT |
| LOW | …dioKit/MIDI/Listeners/MIDISystemRealTimeListener.swift | 181 | /// - portID: MIDI Unique Port ID | COMMENT |
| LOW | Sources/AudioKit/Nodes/NodeParameter.swift | 21 | /// Invoke AudioUnitSetParameter when setting a parameter | COMMENT |
| LOW | Sources/AudioKit/Nodes/NodeParameter.swift | 241 | /// `osc.$frequency.maxValue` | COMMENT |
| LOW | Sources/AudioKit/Nodes/Node+disconnectStrategy.swift | 1 | // Copyright AudioKit. All Rights Reserved. Revision History at http://github.com/AudioKit/AudioKit/ | COMMENT |
| LOW | Sources/AudioKit/Nodes/Mixing/Mixer.swift | 121 | /// Remove all inputs from the mixer | COMMENT |
| LOW | Sources/AudioKit/Nodes/Mixing/Mixer.swift | 141 | /// array when new input nodes are added into it, which may eventually cause a crash. | COMMENT |
| LOW | Sources/AudioKit/Nodes/Mixing/MatrixMixer.swift | 1 | // Copyright AudioKit. All Rights Reserved. Revision History at http://github.com/AudioKit/AudioKit/ | COMMENT |
| LOW | …dioKit/Nodes/Playback/Apple Sampler/AppleSampler.swift | 81 | /// | COMMENT |
| LOW | …dioKit/Nodes/Playback/Apple Sampler/AppleSampler.swift | 121 | COMMENT | |
| LOW | …dioKit/Nodes/Playback/Apple Sampler/AppleSampler.swift | 201 | func loadAUPreset(_ file: String) throws { | COMMENT |
| 16 more matches not shown… | ||||
| Severity | File | Line | Snippet | Context |
|---|---|---|---|---|
| MEDIUM | …itTests/Node Tests/Player Tests/AudioPlayerTests.swift | 753 | /// natural loop callbacks (seamless buffered looping emits none) — only that the retired stop | COMMENT |
| MEDIUM | …/AudioKit/Nodes/Playback/AudioPlayer/AudioPlayer.swift | 7 | /// played from disk. If you want seamless looping then buffer it. You can still loop from disk, but the | COMMENT |
| MEDIUM | …/AudioKit/Nodes/Playback/AudioPlayer/AudioPlayer.swift | 8 | /// loop will not be totally seamless. | COMMENT |