Tap a natural note on either staff. Its written name, sounding octave, frequency, and matching piano key stay linked.

This free online drone plays a constant tone so that you can practice your ear training skills and work on maintaining good intonation. It offer accurate control from your computer keyboard and allows ...

Find the flat count, order of flats, relative key, modal parent, enharmonic choice, and transposed written key for flat-side major, minor, and modal signatures. Flat Key Presets Preset use: Load a ...

Estimate usable PA or monitor gain from source-to-mic distance, speaker-to-mic isolation, open microphones, pickup pattern, and room or EQ conditions. Gain Before Feedback Presets Geometry matters ...

Total an album, EP, deluxe edition, or streaming edit from exact track lengths, estimated tracks, inter-track gaps, bonus songs, side split, and release target. Album And EP Presets Preset use: Load a ...

Power to dB dB = 10 log10(P2 / P1) You know both powers Powers must use the same unit dB to ratio Ratio = 10^(dB / 10) You know gain or loss in dB Negative dB gives a ratio below 1 Voltage to power P ...

Add multiple speaker or sound-source levels with logarithmic SPL summing, distance loss, coupling behavior, room support, target margin, and practical headroom. Combined SPL Presets Choose a system ...

Estimate music performance royalties from play count, venue or broadcast weight, duration, PRO collection share, territory factor, writer and publisher splits, and per-writer ownership. Estimate model ...

8 ft compact room Sepmeyer I 8.00 x 9.12 x 11.12 ft 811 ft³ 50.6 Hz 8 ft project studio Sepmeyer II 8.00 x 10.24 x 12.32 ft 1009 ft³ 45.6 Hz 8 ft long theater Sepmeyer III 8.00 x 12.80 x 18.64 ft 1909 ...

Match tonearm effective mass, cartridge mass, screw mass, headshell weight, and cartridge compliance to estimate vertical resonance and the safe 8-12 Hz target zone.

Calculate distributed speaker transformer taps, total amplifier load, reserve headroom, wire voltage drop, current draw, and equivalent impedance for 70V audio lines. Use these presets as starting ...

Measure occupied noise: HVAC and audience sound can reduce the noise modulation term more than the empty-room RT60 suggests. Watch the consonant bands: If 2 kHz or 4 kHz is limiting, aim loudspeakers ...