1. Hardware Signal Flow Diagram
Follow this unbroken audio signal chain from playback device to loudspeakers:
[Laptop / Phone running playgarba.com]
↓ (USB-C Audio DAC or 3.5mm stereo cable)
[Passive Stereo Direct Box (DI Box) with Ground Lift]
↓ (Balanced XLR cables left and right)
[PA Mixer Line/Mic Channels 3 & 4 (Panned Hard Left / Hard Right)]
↓ (Main Output XLR)
[Powered Line-Array Speakers (Angled 12° Downward onto Dancers)]
↓ (USB-C Audio DAC or 3.5mm stereo cable)
[Passive Stereo Direct Box (DI Box) with Ground Lift]
↓ (Balanced XLR cables left and right)
[PA Mixer Line/Mic Channels 3 & 4 (Panned Hard Left / Hard Right)]
↓ (Main Output XLR)
[Powered Line-Array Speakers (Angled 12° Downward onto Dancers)]
2. Pre-Event Sound Check Procedures (Complete by 7:30 PM)
| Done | Item | Action / Technical Target |
|---|---|---|
| Mains Power & Surge | Laptop connected to dedicated AC mains with surge protector. Screen sleep set to NEVER. | |
| Ground Hum Elimination | Engage Ground Lift switch on DI box if 60 Hz electrical hum is audible when pausing music. | |
| Device Output Volume | Set laptop/phone system volume to 85% to ensure strong signal-to-noise without digital clipping. | |
| Mixer Gain Staging | Adjust mixer channel Gain so input meters peak in solid GREEN (0 to +3 dB) on loud dhol hits. | |
| Mixer Channel EQ | High-Pass Filter ON (80 Hz cut). Mid flat (0 dB). High slightly cut (-2 dB at 8 kHz) to soften manjira harshness. | |
| Speaker Height & Angle | Poles elevated 8-9 feet, tilted down toward dance ring. Do not fire speakers into empty back walls. | |
| PWA Offline Caching | Open playgarba.com in browser; confirm install prompt or home-screen bookmark is verified offline. |
3. Evening Music Timeline & Genre Staging
| Time Slot | Festival Phase | Recommended Preset | Choreography Cadence |
|---|---|---|---|
| 8:30 PM to 9:30 PM | Devotional Opening | /?genre=traditional | Slow Be Taali, stutis, meditative warm-up |
| 9:30 PM to 10:45 PM | Classical Stride | /?genre=traditional | Continuous Tran Taali, 3-clap rotational flow |
| 10:45 PM to 11:45 PM | High-Energy Steps | /?genre=dandiya | Dodhiya, twin-line Dandiya Raas choreography |
| 11:45 PM to 12:45 AM | Festival Climax | /?genre=folk | Galloping Hinch, Sanedo sprints, Phundadi spins |
| 12:45 AM to 1:00 AM | Midnight Aarti | /?genre=traditional | Maha Aarti, lighting brass lamps, closing prayer |