🎧 Signal Processing Cup 2026

IIT Kanpur : Lowkey High Pass

Audio Demo with Metrics

Interactive web demo for comparing audio beamforming methods and interference removal techniques.

📁 File Organization

LowkeyHighPass/
├── male_target_audio.flac        #Only 1 male audio considered as target
├── docs/                        # Webpage
│   ├── index.html                    
│
├── mixed_audio/                        # Input: Mixed signals [Target+Interference]
│   ├── male_female_mixture.flac
│   ├── male_male_mixture.flac
│   ├── male_water_mixture.flac
│   └── male_song_mixture.flac
│
├── output_audio/                       # Output: Processed signals of 3 methods
│   ├── neural_female.flac
│   ├── neural_male.flac
│   ├── neural_water.flac
│   ├── neural_song.flac
│   ├── two_channel_female.flac
│   ├── two_channel_male.flac
│   ├── two_channel_water.flac
│   ├── two_channel_song.flac
│   ├── nested_female.flac
│   ├── nested_male.flac
│   ├── nested_water.flac
│   └── nested_song.flac
│
└── Interference/                       # Source interference files
    ├── interference_female_speech.flac
    ├── interference_male.flac
    ├── interference_water.wav
    └── interference_song.flac

📊 Performance Metrics

• STOI: Speech intelligibility (0-1, higher is better)
• PESQ: Speech quality (1-5, higher is better)
• SNR: Signal-to-noise ratio in dB (higher is better)
• ViSQOL: Perceived quality (1-5, higher is better)

🛠️ Technical Requirements

• Audio Format: FLAC
• Browser Support: Chrome 49+, Firefox 51+, Edge 16+