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Dhvanix Sound Engine

Table of Contents
  1. Introduction
  2. Design Philosophy
  3. DSP Processing Chain
  4. What Makes Dhvanix Unique
  5. Dhvanix vs Traditional Equalizers
  6. User Control and Future Expansion
  7. User Access
  8. Dhvanix Control Sections
  9. Presets
  10. Bass Warmth
  11. Mud Reduction and Vocal Presence
  12. Air and Sparkle
  13. Dynamics Suite
  14. Stereo Immersion
  15. Reset and Mono Safe Tools
  16. Listening Experience and Benefits
  17. Philosophy of Musical Breathing
  18. Known Limitations

1. Introduction

Dhvanix is the dedicated sound processing engine that powers the core audio identity of SonicSyncSail. It functions as a refined multi stage DSP chain designed to shape playback with clarity, warmth, spatial depth, and long listening comfort. Unlike traditional equalizers that manipulate frequency ranges in a static way, Dhvanix focuses on musicality and instrument level intelligence. This gives SonicSyncSail a unique sound that feels expressive, polished, and cleaner than standard mobile audio enhancements.

As the central component of the SonicSyncSail listening experience, Dhvanix aims to elevate audio without coloring it aggressively or introducing fatigue. The design combines subtle tonal shaping, stereo enhancement, and dynamic control to produce a natural but engaging signature.

Dhvanix can be enabled or disabled from MySpace under the Audio FX section. Future versions may gradually expose more control to the user depending on adoption and feedback.

2. Design Philosophy

Dhvanix is engineered around guiding principles that ensure its sound is universally enjoyable:

  • Warm and full low end with no excessive boom
  • Slightly forward midrange that brings vocals and lead instruments closer
  • Smooth and pleasant high end that adds air without harshness
  • Spacious stereo field that maintains coherence and avoids over widening
  • Comfort oriented tuning that remains enjoyable for long listening sessions
  • Adaptability across genres including classical, rock, pop, EDM, jazz, and podcasts

The result is a polished, open, and lively sound that does not feel overly processed.

3. DSP Processing Chain

Dhvanix uses a carefully ordered multi stage DSP pipeline. Although users currently have access only to three stages in the production build, all stages operate internally to form the complete signature.

Stage 1: Input Clean Up

This stage prepares the incoming signal by removing elements that do not contribute meaningfully to the music.

  • High pass filter at 35 to 40 Hz to clear inaudible sub rumble
  • Mild noise reduction that activates only when hiss is detected

User perception: A clean foundation that keeps the original dynamics intact.

Stage 2: Tonal Shaping (Hybrid EQ Curve)

A balanced and musical equalization curve created from a blend of internal reference chains.

  • Low shelf boost at 90 Hz adds warmth
  • Midrange lift at 2.5 to 3 kHz enhances vocal clarity and engagement
  • Presence region dip around 400 Hz prevents boxiness and mud
  • High shelf boost at 10 kHz adds air and sparkle

User perception: Warm bass, expressive mids, smooth highs.

Stage 3: Stereo Imaging

Dhvanix widens the stereo image without compromising mono compatibility or creating spatial fatigue.

  • Mid and side processing with gentle side enhancement of about 10 to 15 percent
  • Very short Haas delay of around 5 ms to add natural depth

User perception: Wider stage that feels immersive yet centered.

Stage 4: Dynamics

A light compression stage ensures the overall playback stays consistently pleasant.

  • Threshold around -12 dBFS, ratio 2:1
  • Soft knee, slow release, gentle attack

User perception: Balanced volume with natural breathing.

Stage 5: Enhancement

Adds subtle harmonic content and bass reinforcement when content benefits from it.

  • Harmonic exciter for mid and high ranges
  • Optional sub harmonic enhancement used selectively

User perception: Vocals shimmer, instruments gain presence, bass becomes fuller without distortion.

Stage 6: Output Control

The final stage ensures safe delivery to the output device.

  • Brickwall limiter at -0.3 dBFS prevents clipping
  • Automatic peak management maintains consistent loudness between tracks

User perception: Smooth and polished playback at any volume level.

4. What Makes Dhvanix Unique

Dhvanix blends warmth, clarity, comfort, and spatial depth into a cohesive signature that remains gentle yet engaging. Key differentiators:

  • Balanced warmth with forward mids for engagement
  • Long listening comfort without harshness or fatigue
  • Subtle spatial processing that is suitable for headphones and speakers
  • Genre agnostic adaptability
  • Controlled, subtle enhancements that respect the original signal

This combination yields a recognizable sonic fingerprint for SonicSyncSail.

5. Dhvanix vs Traditional Equalizers

Traditional equalizers operate on static frequency bands and treat the mix as a set of ranges. Adjusting one band often requires compensating changes elsewhere, which can make the music feel lifeless. Dhvanix uses an instrument aware conceptual model. It separates elements such as bass, vocals, and instruments and processes them in ways that avoid compromising other layers. The result is a lively, breathing sound rather than a static filtered one.

6. User Control and Future Expansion

Although Dhvanix exposes only a limited set of controls to users in production, the engine runs additional internal stages. This controlled exposure helps introduce users to the signature sound safely. Future capabilities may include:

  • Advanced per instrument enhancement controls
  • Dynamic mood based adaptive processing
  • Runtime adjustments based on listening environment
  • Integrated synergy with PulseSync segments
  • AI assisted tuning recommendations

7. User Access

Access path: MySpace - Audio FX - Dhvanix

8. Dhvanix Control Sections

When enabled Dhvanix: Five control sections appear, corresponding to three main stages of the Engine: 1) Tonal Shaping stage, 2) Stereo Imaging stage, and 3) Dynamics stage. In the current version, these three main stages are the only user-adjustable components.

9. Quick Presets

10. Bass Warmth

Slider range: -12 dB to +11 dB. Adjusts only the bass instrument layer and does not affect vocals or mid-high instruments. Use this control to add warmth or tighten the low end without changing vocal presence.

11. Mud Reduction and Vocal Presence

Mud Reduction range: -6 dB to +5 dB. Reduces overlapping frequencies that cloud instrument separation. Negative values increase clarity between instruments.

Vocal Presence range: -6 dB to +9 dB. Bringing this control to positive values pulls vocals forward and improves intelligibility without degrading bass or high frequencies.

12. Air and Sparkle

Range: -15 dB to +12 dB. Controls high frequency harmonics such as guitars, bells, and cymbals. Negative values soften harshness; positive values add brilliance and detail.

13. Dynamics Suite

Compression presets available: Light, Immerse, Medium, Crystal, Vocal, Punchy, Smooth, Glue, Bass, Clarity, Warmth, Transient, Level, Custom.

When Custom is selected, two sliders appear:

  • Threshold: -25 dB to +3 dB
  • Ratio: 1.5:1 to 3.0:1

These controls allow sculpting of loudness comfort and musical impact.

14. Stereo Immersion

Controls included:

  • Stereo Width: -2.0x to +4.0x. Negative values bring the audio closer; positive values expand the stage.
  • Haas Delay: 0 ms to 12 ms. Micro delays that create a sense of width over long listening sessions.
  • Reverse Haas: toggle to swap the Haas mapping left to right.

15. Reset and Mono Safe Tools

Two convenience controls are provided for user safety and convenience:

  • Reset to Signature Default - Reverts all Dhvanix parameters to factory signature state.
  • Mono Safe Mode - Collapses stereo to mono for balanced playback in noisy environments or single ear listening.

16. Listening Experience and Benefits

  • Warm, full bass that avoids excessive boom
  • Clear vocals that stand out without harshness
  • Sparkling highs that feel natural
  • Reduced muddiness and better instrument separation
  • Spacious stereo field that remains coherent
  • Comfort over long listening sessions

17. Philosophy of Musical Breathing

At its core, Dhvanix aims to make music breathe. Instead of treating sound as a lifeless set of frequencies, Dhvanix respects the natural interplay of instruments and voices. It allows the emotional content of the music to move freely while ensuring clarity, warmth, and engagement. The music retains its vitality and emotional presence.

18. Known Limitations

  • The engine only attempts to enhance sound quality for low-quality audio files
  • Stereo Immersion may not be accurate for songs that are intentionally mono by design
  • Processing only supports two encodings: PCM 16 and Float PCM
  • You may occasionally notice no effect being applied due to encoding issues
  • The chosen preset may not be suitable for all music types; users may need to manually adjust presets or controls when distortion occurs
  • The current version of Dhvanix does not support automatic adjustments based on the music being played
Documentation: Dhvanix Sound Engine
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