Know the tempo of any guide track. Just press play.

Audio Detective can sit on your DAW master bus or stereo output and listen to reference music, guide tracks, or temp tracks, displaying an approximate detected BPM without tapping or separate file analysis. Analyze mode follows DAW playback, while Live mode listens with the transport stopped.

Audio Detective also includes highly accurate tap tempo with QWERTY keyboard support, quarter/eighth/sixteenth subdivisions, quantized BPM, four-click preview, note-based delay calculations, alternate tempo interpretations, Half/Double suggestions, and BPM Lock. Its multi-mode tuner provides chromatic and guided instrument modes with Needle and Strobe views, cents and frequency readouts, adjustable reference pitch from A=430–450 Hz, and tuner mute. Stereo correlation monitoring helps identify mono-compatibility concerns, with host awareness for transport state, host BPM, time signature, and SMPTE timecode when supplied by the DAW.

Audio Detective is a macOS plugin with a signed and notarized installer. Supported hosts and plugin formats should be confirmed with Sample Fuel before purchase; the product page does not provide a complete compatibility list.

Introductory price: $29.99 (regular $39.99).

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