VOCODER - Voice Synthesizer

1. Getting Started

ROVOCODE is a professional MIDI-controlled voice synthesizer that processes your voice through a vocoder effect with carrier synthesis.

1. Click "Enable Microphone" to allow voice input access
2. Select your audio input device from the dropdown menu
3. Connect a MIDI controller or use the computer keyboard for note input

2. MIDI Control

ROVOCODE supports both external MIDI controllers and computer keyboard input for musical control.

1. Click "Connect MIDI" to detect available MIDI devices
2. Select your MIDI controller from the device dropdown
3. Use keyboard keys: Z-X-C-V-B-N-M (white keys) and S-D-G-H-J (black keys)
4. Press Ctrl+M for quick MIDI connection

Pro Tip:

Hold multiple keys simultaneously for chord synthesis. The vocoder processes your voice through all active notes.

3. Waveform Synthesis

Choose from 5 different carrier waveforms to shape your vocoder's character and tone.

• SINE: Smooth, pure tone - perfect for clean vocal effects
• SQUARE: Sharp, digital sound - classic robot voice effect
• SAWTOOTH: Bright, cutting tone - aggressive vocoder character
• TRIANGLE: Mellow, warm sound - gentle vocal processing
• NOISE: Textured, breathy effect - unique atmospheric vocals

4. Musical Scales

Constrain your vocoder output to specific musical scales for harmonic accuracy and musical coherence.

1. Select your root key from C to B (including sharps/flats)
2. Choose from 12 scales: Major, Minor, Pentatonic, Blues, Dorian, and more
3. Toggle "Scale Filtering" to enable/disable note quantization
4. The visual keyboard shows which notes are in your selected scale

Musical Tip:

Try Pentatonic or Blues scales for expressive vocal solos, or Major/Minor for traditional harmonic progressions.

5. Parameter Controls

Fine-tune your vocoder's sound with professional-grade parameter controls.

• Voice Monitor: Blend original voice with vocoder effect (0-100%)
• Input Gain: Microphone sensitivity and input level (0-200%)
• Vocoder Gain: Processed signal amplitude (0-200%)
• Master Volume: Overall output level (0-100%)
• Gate Threshold: Noise gate sensitivity (0-10%)
• Formant Shift: Voice character adjustment (0.5-2.0x)

6. Preset Management

Save and recall your custom vocoder configurations for different performance scenarios.

1. Click "Save Preset" to download your current settings as a JSON file
2. Click "Load Preset" to restore saved configurations
3. Use "Reset" to return to factory default settings
4. Settings are automatically saved to browser storage

7. Performance Tips

Professional techniques for optimal vocoder performance and creative expression.

• Speak clearly and articulate consonants for better intelligibility
• Use headphones to prevent feedback between speakers and microphone
• Experiment with different waveforms for various vocal characters
• Adjust input gain to match your microphone and vocal dynamics
• Use the visual waveform display to monitor your vocoder output

Creative Tip:

Try combining multiple techniques: use Blues scale with Square wave and high formant shift for aggressive robot vocals, or Pentatonic with Sine wave for ethereal harmonies.

Window Settings

ROVOCODE User Guide