SynthBridge - MIDI Synthesizer

SynthBridge is a professional-grade MIDI software synthesizer designed for musicians, producers, and music enthusiasts. Turn your Android device into a powerful MIDI sound module with studio-quality sound and ultra-low latency.

🎹 KEY FEATURES

▶ MIDI Connectivity
• BLE MIDI (Bluetooth Low Energy) - Wireless connection to MIDI keyboards and controllers
• USB MIDI (USB OTG) - Direct connection via USB cable
• Virtual MIDI Device - Inter-app MIDI routing
• Multiple simultaneous device connections

▶ SoundFont Support
• Load custom SF2/SF3 SoundFont files
• Built-in GeneralUser-GS soundfont included
• 16-channel multi-timbral synthesis
• Bank/Program change support
• Per-channel volume, pan, reverb, chorus controls

▶ Professional Effects
• Reverb - Adjustable room size, damping, width
• Chorus - Customizable speed, depth, voices
• Distortion - Drive and tone controls
• Echo - Time, feedback, and decay parameters
• Master gain and polyphony control (16-1024 voices)

▶ Performance Tools
• Multi-touch piano keyboard with adjustable octave range
• 8 programmable drum pads
• Pitch bend and modulation wheel support
• Customizable velocity curves (Linear, Exponential, Logarithmic, S-Curve)
• Metronome with adjustable BPM

▶ MIDI Library & Player
• Built-in MIDI file library with folder scanning
• Playlist management with shuffle and repeat modes (off, single, all)
• Playback speed control (0.25x to 4.0x)
• Lyrics display - supports embedded MIDI lyrics and external LRC files
• Real-time lyric synchronization during playback
• Resume playback across sessions

▶ Recording & Export
• Real-time audio recording with full MIDI data capture
• Export recordings as WAV files
• MIDI file export with pitch bend and modulation data
• MIDI-to-Audio rendering - offline WAV export directly from SoundFont (Pro)

▶ Low Latency Audio
• AAudio MMAP support on Android (3-5ms latency)
• Oboe audio driver integration
• Configurable buffer sizes
• Exclusive mode for professional performance

▶ Additional Features
• Real-time waveform visualization
• Glassmorphic player interface with frosted-glass blur effect
• Full landscape orientation support
• Interactive onboarding tutorial for new users
• Independent per-channel MIDI instrument selection
• 11 languages supported
• Background audio playback
• Screen lock prevention option
• Safe area adaptation for notched displays

🎵 PERFECT FOR
• MIDI keyboard players seeking a portable sound module
• Music producers needing a mobile synthesizer
• Live performers requiring low-latency audio
• Music students practicing with MIDI files and lyrics

🔒 PRIVACY
SynthBridge respects your privacy. No personal data is collected. All MIDI processing happens locally on your device.

Note: Some advanced features require a one-time Pro purchase.

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Minimum Requirements:
• Android 7.0 (API 24) or higher
• USB Host support (for USB MIDI)
• Bluetooth LE (for BLE MIDI)

Permissions:
• Bluetooth - For BLE MIDI device connection
• USB - For USB MIDI device connection
• Storage - For importing SoundFont and MIDI files