SoundBud: Chord & Key Finder

Hear a song, decode it. Record your voice or drop in a video, polish it. SoundBud is a pocket studio for musicians, podcasters and creators. Record, upload a file, or share audio and video from any app. About a minute later you have the key, BPM, time signature and the full, timestamped chord progression. Play it back, practice it, and get your recording or video ready to publish without a computer. DECODE ANY SONG - Record up to 5 minutes, or upload MP3, WAV, M4A, FLAC, AAC, OGG, AIFF and more - Drag the waveform to pick the 15 to 60 seconds to analyze - Genre, instrument and song recognition (Premium) - Tap a value to correct it. Your ear gets the last word. PLAY AND PRACTICE (Premium) - Synth Chords: hear the progression played in time - Slow-Downer: 1x, 0.75x or 0.5x, pitch untouched - Section Looper: tap measures to loop the hard part - Transpose chords and key up to 6 semitones either way - A metronome that follows playback - MIDI export: block chords, or a note-by-note transcription made on your phone - Free on the record screen: a chromatic tuner and a tap-tempo metronome FOUR AI THEORY MODES - Theory Analysis: Roman numerals, harmonic function, tonal center and a practical tip - Solo Guide (Premium): a scale for every chord, target notes, guide tones, tensions and licks - Reharmonize (Premium): tritone subs, secondary dominants, passing diminished chords, color chords and a wild-card idea - Explain Simply (Premium): the song in plain words, with play-along ideas Color-coded chords and a lead sheet that follows playback. POLISH ANY SOUND, EVEN VIDEO Free: on-device noise reduction, ducking (music dips while you talk) with a preview, Bass/Mid/Treble EQ, a one-slider compressor, AI Tips, lossless trim, A/B preview, undo, a ready-to-publish check, plus EQ 101 and Compressor 101 guides. Premium opens the full studio: - Live EQ and Live Compressor: drag the curve while your audio plays and hear every move, with a live spectrum and a gain-reduction meter - 6-band EQ with adjustable frequency and Q, plus 3 slots for your own presets - Manual compressor with threshold, ratio, attack, release and knee, before or after the EQ - AI Tips that apply the exact frequency, Q and compressor settings in one tap - Voice-Over Suite: de-esser, breath removal, clarity, room tone reduction, auto-level, click repair, de-hum, exciter - Tighten: cut long pauses from talk recordings in one tap - Loudness and true-peak targets for Spotify, Apple Music, YouTube, TikTok, Instagram and podcasts, with a limiter - As many videos as you like, up to 30 minutes each: the picture stays untouched, the sound comes back clean - Audio files up to 90 minutes, WAV or MP3 export CREATE AND SHARE - Sound-reactive visuals, customizable and exported as video - Quick music theory quiz cards while you wait LIBRARY Save decoded tracks, then search, sort, replay and edit them. Export a PDF lead sheet with chords, theory and AI insights (Premium). English and Turkish. Note names as C D E or Do Re Mi. Requires iOS 15.1 or later. FREE AND PREMIUM Free includes 4 song decodes a week, 1 Theory Analysis a day, 5 polished audio exports a week, 5 library saves a month, plus 1 polished video and 1 video export a month (Spectrum Bars visual, watermarked). Premium removes these limits and unlocks everything marked Premium above, plus every visual and watermark-free video. No ads. Premium is a monthly or yearly subscription. It renews automatically unless canceled at least 24 hours before the current period ends. Manage or cancel it anytime in your App Store account settings. Privacy: only the part you choose to analyze is uploaded, and it is deleted after processing. Polish runs on your phone, and AI features never receive your audio. Terms: https://soundbud.alpaconaudio.com/en/legal#terms Privacy: https://soundbud.alpaconaudio.com/en/legal#privacy Support: [email protected]