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