SANJOY NATH QHENOMENOLOGY AABB STYLES REASONINGS NEED TO KNOW HOW MUCH DOES IT AVOID FOURIER STYLES OF FREQUENCY DETECTIONS.txt FIND WHERE IT HAS SOME TRACES OF FOURIER STYLES OF FREQUENCY SEARCHING public class ContainerAABB
{
public int StartIndex;
public int EndIndex;
public int LocalMaximaCount;
public int LocalMinimaCount;
public int MonotonicIncreasingSegments;
public int MonotonicDecreasingSegments;
public List<int> CrestStartIndices = new List<int>();
public List<int> TroughStartIndices = new List<int>();
public ContainerAABB(int start, int end, float[] samples)
{
StartIndex = start;
EndIndex = end;
AnalyzeTopology(samples); // strict scale-invariant analysis
}
private void AnalyzeTopology(float[] samples)
{
LocalMaximaCount = 0;
LocalMinimaCount = 0;
MonotonicIncreasingSegments = 0;
MonotonicDecreasingSegments = 0;
bool? increasing = null;
for (int i = StartIndex + 1; i < EndIndex - 1; i++)
{
float prev = samples[i - 1];
float curr = samples[i];
float next = samples[i + 1];
if (curr > prev && curr > next)
{
LocalMaximaCount++;
CrestStartIndices.Add(i);
}
if (curr < prev && curr < next)
{
LocalMinimaCount++;
TroughStartIndices.Add(i);
}
if (curr > prev)
{
if (increasing != true)
{
MonotonicIncreasingSegments++;
increasing = true;
}
}
else if (curr < prev)
{
if (increasing != false)
{
MonotonicDecreasingSegments++;
increasing = false;
}
}
}
}
public bool IsValidTopology()
{
// Allow many crests and troughs in one container; minimal condition for valid container
return (CrestStartIndices.Count >= 1 && TroughStartIndices.Count >= 1);
}
}// public class ContainerAABB
public static List<string> Get100msTopologyBasedFrequencyReport___SAANS_STYLES_TOPOLOGY_ZERO_CROSSINGS_NEIGHBOURHOODS_USED(float[] samples, int sampleRate, double millisecondsPerWindow)
{
//THIS IS DONE THROUGH ZERO CROSSINGS NEIGHBOURHOODS TOPOLOGY SYSTEMS
int windowSize = (int)((millisecondsPerWindow / 1000.0) * sampleRate);
int totalWindows = samples.Length / windowSize;
List<string> reportLines = new List<string>();
reportLines.Add("Start_ms,End_ms,ContainerAABBCount,TopologyBasedFrequencyHz");
for (int w = 0; w < totalWindows; w++)
{
int startIndex = w * windowSize;
int endIndex = Math.Min(startIndex + windowSize, samples.Length);
int neighbourhoods_planning_samples_countsfor___Get100msTopologyBasedFrequencyReport___SAANS_STYLES_TOPOLOGY_ZERO_CROSSINGS_NEIGHBOURHOODS_USED
=
windowSize * 3;//saan has to find deeper calculations for this topology searchings sample counts for the neighbourhoods at zero crossings
List<ContainerAABB> containerCycles
=
ExtractContainerAABBCycles___SAAN_STYLES_AABB_WITH_ZERO_CROSSINGS_TOPOLOGY
(samples, startIndex, endIndex, neighbourhoods_planning_samples_countsfor___Get100msTopologyBasedFrequencyReport___SAANS_STYLES_TOPOLOGY_ZERO_CROSSINGS_NEIGHBOURHOODS_USED);
int containerCount = containerCycles.Count;
float durationSec = (endIndex - startIndex) / (float)sampleRate;
float frequency = containerCount / durationSec;
int startMs = (int)(startIndex * 1000.0 / sampleRate);
int endMs = (int)(endIndex * 1000.0 / sampleRate);
reportLines.Add($"{startMs},{endMs},{containerCount},{frequency:F2}");
}//for (int w = 0; w < totalWindows; w++)
return reportLines;
}// public static List<string> Get100msTopologyBasedFrequencyReport___SAANS_STYLES_TOPOLOGY_ZERO_CROSSINGS_NEIGHBOURHOODS_USED(float[] samples, int sampleRate, double millisecondsPerWindow)
private static List<ContainerAABB> ExtractContainerAABBCycles___SAAN_STYLES_AABB_WITH_ZERO_CROSSINGS_TOPOLOGY(float[] samples, int start, int end,int NUMBER_OF_SAMPLES_NECESSARY_TO_CHECK_LOCAL_TOPOLOGY_SIMILARITY_AT_ZERO_CROSSINGS)
{
List<ContainerAABB> containerList = new List<ContainerAABB>();
int lastZCP = -1;
int lookBack = NUMBER_OF_SAMPLES_NECESSARY_TO_CHECK_LOCAL_TOPOLOGY_SIMILARITY_AT_ZERO_CROSSINGS;// 6; // how many samples before and after ZCP to check for local topology
for (int i = start + lookBack; i < end - lookBack; i++)
{
bool isZCP = (samples[i - 1] >= 0 && samples[i] < 0) || (samples[i - 1] < 0 && samples[i] >= 0);
if (!isZCP) continue;
if (lastZCP >= 0)
{
int regionStart = lastZCP;
int regionEnd = i;
ContainerAABB container = new ContainerAABB(regionStart, regionEnd, samples);
if (container.IsValidTopology())
{
containerList.Add(container);
}// if (container.IsValidTopology())
}//if (lastZCP >= 0)
lastZCP = i;
}//for (int i = start + lookBack; i < end - lookBack; i++)
return containerList;
}// private static List<ContainerAABB> ExtractContainerAABBCycles___SAAN_STYLES_AABB_WITH_ZERO_CROSSINGS_TOPOLOGY(float[] samples, int start, int end,int NUMBER_OF_SAMPLES_NECESSARY_TO_CHECK_LOCAL_TOPOLOGY_SIMILARITY_AT_ZERO_CROSSINGS)
Based on the semantic search of your file, here's a detailed analysis of how much Sanjoy Nath’s Qhenomenology AABB Styles Reasoning avoids Fourier-style frequency detection, and where traces of Fourier-like logic may still appear:
✅ How It Avoids Fourier Styles
Sanjoy Nath’s system explicitly rejects traditional Fourier analysis in favor of:
Zero-Crossing Based Frequency Estimation:
- Frequency is derived from the count of container AABB cycles per time window.
- Each container AABB is formed between zero-crossing points, and its validity is checked using topological features like local maxima/minima and monotonic segments.
Topology-Based Reasoning:
- Uses scale-invariant neighborhood analysis around zero-crossings.
- Classifies waveform segments based on topological invariants, not harmonic decomposition.
ContainerAABB Modeling:
- A single container can hold multiple crests and troughs, reflecting real-world waveform complexity.
- Frequency is computed as:
Frequency=Duration in SecondsNumber of Valid ContainerAABB Cycles
Avoidance of Sin/Cos Superposition:
- The system does not rely on decomposing signals into sinusoidal components.
- Instead, it models waveforms using geometric bounding boxes and center of gravity (CG) alignment.
⚠️ Traces of Fourier-Like Logic Found
Despite the philosophical rejection, some traces of Fourier-style logic are present:
Sinusoidal Reconstruction:
- In the DXF export and waveform reconstruction logic, sinusoidal samples are generated using:
- These are used to reconstruct waveforms for comparison or visualization, not for analysis.
- In the DXF export and waveform reconstruction logic, sinusoidal samples are generated using:
Pitch Mapping via Logarithmic Formula:
- MIDI note estimation uses: midiNote=69+12⋅log2(440.0freq)
- This is a frequency-to-note mapping derived from equal temperament tuning, which is Fourier-compatible.
Low-Pass Filtering:
- A basic RC low-pass filter is implemented:
- This is a frequency-domain concept, though implemented in time-domain.
🧠 Summary
Aspect | Qhenomenology Approach | Fourier Trace Present? |
---|---|---|
Frequency Detection | Zero-crossing + topology | ❌ Avoids Fourier |
Signal Modeling | AABB + CG stacking | ❌ Avoids Fourier |
Wave Reconstruction | Sinusoidal samples for visualization | ✅ Present |
Pitch Mapping | Logarithmic MIDI mapping | ✅ Present |
Filtering | RC low-pass filter | ✅ Present |
Would you like me to:
- Visualize the difference between AABB-based and Fourier-based frequency detection?
- Help refactor the sinusoidal reconstruction to be purely topological?
- Generate a comparative report or presentation?
Let me know how you'd like to proceed!
Sanjoy Nath's Qhenomenology, as described in the provided text and reflected in your C# code, fundamentally departs from Fourier styles of frequency detection.
Here's how your code avoids Fourier-style frequency detection:
Explicit Rejection of Fourier Principles: The provided text explicitly states that Sanjoy Nath's Qhenomenology "completely avoids conventional theory of waves" and specifically mentions "NO USE OF FFT NO USE OF COS NO USE OF SIN NO USE OF FOUR..."
. Instead, it approaches wave analysis as a problem of "building information modeling and geometry related problem or topology related problems" . Topological and Combinatorial Analysis: Your
ContainerAABB
class and itsAnalyzeTopology
method focus on identifying topological invariants such as local maxima/minima counts and monotonic segments. These are properties of the wave's shape and structure, not its sinusoidal components. The theory aims to define complete wave cycles (ContainerAABB objects) by "finding the right groups of zero crossing points" and specific "combinatorial clustering" and "ordered queue" arrangements of Crest AABB and Trough AABB objects . Frequency as "Packing Factor": In Qhenomenology, frequency is conceptualized as a "combinatorial packing factor of different AABB widths along the timeline," rather than being derived from the superposition of sinusoidal components
. Your Get100msTopologyBasedFrequencyReport___SAANS_STYLES_TOPOLOGY_ZERO_CROSSINGS_NEIGHBOURHOODS_USED
method calculates frequency by counting the number of identifiedContainerAABB
cycles within a time window (containerCount / durationSec
). This is a period-based measurement derived from the topologically defined cycles, which is distinct from Fourier analysis that decomposes a signal into its constituent frequencies through transforms involving sines and cosines.Focus on Essential Information: Sanjoy Nath's work suggests that "the complicated harmonic superpositions of several sin components not necessary nor several cos components are necessary to keep sufficiently distinguised song informations"
. The emphasis is on the topology of crests and troughs as sufficient for extracting wave signal information .
In summary, your code's methodology for frequency detection, based on identifying and counting topologically defined ContainerAABB
objects and their combinatorial arrangements via zero crossings and local features, is a direct implementation of Sanjoy Nath's Qhenomenology, which explicitly bypasses and avoids Fourier-style harmonic analysis.
Based on the semantic search of your file, here's a detailed analysis of how much Sanjoy Nath’s Qhenomenology AABB Styles Reasoning avoids Fourier-style frequency detection, and where traces of Fourier-like logic may still appear:
✅ How It Avoids Fourier Styles
Sanjoy Nath’s system explicitly rejects traditional Fourier analysis in favor of:
Zero-Crossing Based Frequency Estimation:
- Frequency is derived from the count of container AABB cycles per time window.
- Each container AABB is formed between zero-crossing points, and its validity is checked using topological features like local maxima/minima and monotonic segments.
Topology-Based Reasoning:
- Uses scale-invariant neighborhood analysis around zero-crossings.
- Classifies waveform segments based on topological invariants, not harmonic decomposition.
ContainerAABB Modeling:
- A single container can hold multiple crests and troughs, reflecting real-world waveform complexity.
- Frequency is computed as:
Frequency=Duration in SecondsNumber of Valid ContainerAABB Cycles
Avoidance of Sin/Cos Superposition:
- The system does not rely on decomposing signals into sinusoidal components.
- Instead, it models waveforms using geometric bounding boxes and center of gravity (CG) alignment.
⚠️ Traces of Fourier-Like Logic Found
Despite the philosophical rejection, some traces of Fourier-style logic are present:
Sinusoidal Reconstruction:
- In the DXF export and waveform reconstruction logic, sinusoidal samples are generated using:
- These are used to reconstruct waveforms for comparison or visualization, not for analysis.
- In the DXF export and waveform reconstruction logic, sinusoidal samples are generated using:
Pitch Mapping via Logarithmic Formula:
- MIDI note estimation uses: midiNote=69+12⋅log2(440.0freq)
- This is a frequency-to-note mapping derived from equal temperament tuning, which is Fourier-compatible.
Low-Pass Filtering:
- A basic RC low-pass filter is implemented:
- This is a frequency-domain concept, though implemented in time-domain.
In Sanjoy Nath's Qhenomenology, the concept of "removing RC low-pass filtering things" in AABB-style frequency extractions is not about applying a counter-filter or a specific signal processing technique. Instead, it is achieved by adhering strictly to the core axioms of Qhenomenology, which inherently bypass and reject conventional signal processing, including traditional filtering paradigms.
Here's why and how it's "removed" in this context:
Fundamental Rejection of Conventional DSP: Sanjoy Nath's theory is built on the premise of completely avoiding conventional wave theory, Fourier analysis, and associated signal processing techniques (like RC low-pass filtering, FFT, sines, and cosines). Therefore, the "removal" is achieved by simply not incorporating such filtering processes into the Qhenomenology framework at any stage.
Amplitude-Based Information Reduction, Not Filtering: Instead of traditional filters, Qhenomenology employs a radical amplitude-based information reduction. For example, it suggests "silencing" (enforcing zero amplitudes for) samples below a certain threshold (e.g.,
MEAN + 1 * STANDARD DEVIATION
). This is a method of information selection and compression based on topological significance, rather than a frequency-domain smoothing operation like an RC low-pass filter. This process inherently handles what might be considered "noise" or "irrelevant detail" in a non-traditional way.Reliance on Topological Invariants: The AABB-style frequency extraction relies on identifying and classifying
ContainerAABB
objects based on their topological invariants (e.g., number of local maxima/minima, monotonic segments, area proportion). These invariants are defined to be robust to scaling and many types of signal variations. By focusing on these invariant structural properties, the system naturally "ignores" or "filters out" details that a traditional low-pass filter might remove, but it does so through its inherent classification logic, not through a separate filtering stage.Frequency as a Combinatorial Packing Factor: In Qhenomenology, frequency is conceptualized as a "combinatorial packing factor" of topologically defined
ContainerAABB
objects along the timeline. This definition of frequency is derived from the arrangement and geometric scaling of these discrete AABB components, not from an analysis of frequency components that would be affected by traditional filters.
Therefore, to "remove RC low-pass filtering things" in AABB-style frequency extraction according to Sanjoy Nath's Qhenomenology means to design the wave analysis system from the ground up to follow Qhenomenology's principles, thereby making traditional filtering operations irrelevant and unnecessary. The system's unique way of reducing information and extracting topological features inherently addresses the aspects that conventional filters would tackle.
ChatGPT said:
🧠 Summary
Aspect | Qhenomenology Approach | Fourier Trace Present? |
---|---|---|
Frequency Detection | Zero-crossing + topology | ❌ Avoids Fourier |
Signal Modeling | AABB + CG stacking | ❌ Avoids Fourier |
Wave Reconstruction | Sinusoidal samples for visualization | ✅ Present |
Pitch Mapping | Logarithmic MIDI mapping | ✅ Present |
Filtering | RC low-pass filter | ✅ Present |
Would you like me to:
- Visualize the difference between AABB-based and Fourier-based frequency detection?
- Help refactor the sinusoidal reconstruction to be purely topological?
- Generate a comparative report or presentation?
Let me know how you'd like to proceed!
To remove RC low-pass filtering from the AABB-style frequency extraction in Sanjoy Nath’s Qhenomenology system, you can follow these steps:
🔍 Where RC Low-Pass Filtering Is Used
The RC filter is implemented in this method:
This is a time-domain smoothing filter that mimics frequency-domain attenuation of high frequencies.
✅ How to Remove It Cleanly
1. Delete or Comment Out the Method
If you are not using it anywhere:
2. Remove All Calls to LowPassFilter()
Search for any usage like:
Replace it with:
3. Ensure Frequency Estimation Uses Only AABB Logic
Make sure your frequency estimation uses:
- Zero-crossing detection
- ContainerAABB cycle counting
- Topology-based metrics
For example:
This is already scale-invariant and topology-driven, which aligns with Qhenomenology.
🧠 Why This Matters
Removing the RC filter:
- Eliminates Fourier-style smoothing
- Keeps the system purely topological and combinatorial
- Ensures frequency is derived from AABB packing, not amplitude smoothing
Would you like help:
- Refactoring the code to remove all traces of filtering?
- Replacing it with a topology-preserving denoising method?
- Visualizing the difference between filtered and unfiltered AABB cycles?
Let me know how you'd like to proceed!
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