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Merged
davewalker5 merged 1 commit into from
Apr 16, 2026
Merged

Added bat call analysis #7

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224 changes: 209 additions & 15 deletions README.md
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24 changes: 24 additions & 0 deletions config.json
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,30 @@
},
"normalisation": {
"peak_target": 0.95
},
"analysis": {
"envelope_smooth_ms": 2.0,
"noise_floor_percentile": 15.0,
"threshold_sigma": 2.2,
"min_threshold": 0.010,
"max_gap_ms": 6.0,
"min_region_ms": 4.0,
"pre_padding_ms": 1.0,
"post_padding_ms": 10.0,
"attack_threshold_fraction": 0.30,
"decay_threshold_fraction": 0.08,
"buzz_max_ipi_ms": 35.0,
"buzz_min_run_length": 4,
"buzz_search_tail_fraction": 0.33,
"buzz_recovery_enabled": true,
"buzz_recovery_threshold_fraction": 0.27,
"buzz_recovery_min_peak_distance_ms": 9.0,
"buzz_recovery_region_ms": 8.0,
"spectral_n_fft": 1024,
"spectral_hop_length": 128,
"spectral_window": "hann",
"spectral_min_valid_bins": 3,
"json_indent": 2
}
},
"heterodyne": {
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0 diagrams/noise-detection.png → diagrams/BD-A-99-001-Noise-Detection.png
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290 changes: 290 additions & 0 deletions diagrams/call-analysis-workflow.bpmn
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@@ -0,0 +1,290 @@
<?xml version="1.0" encoding="UTF-8"?>
<bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" xmlns:modeler="http://camunda.org/schema/modeler/1.0" id="Definitions_081h0d0" targetNamespace="http://bpmn.io/schema/bpmn" exporter="Camunda Modeler" exporterVersion="5.39.0" modeler:executionPlatform="Camunda Cloud" modeler:executionPlatformVersion="8.7.0">
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</bpmn:startEvent>
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<bpmn:outgoing>Flow_0gjvmvn</bpmn:outgoing>
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<bpmn:textAnnotation id="TextAnnotation_1akngfb">
<bpmn:text>timing amplitude decay frequency</bpmn:text>
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5 changes: 3 additions & 2 deletions pyproject.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -4,14 +4,15 @@ build-backend = "setuptools.build_meta"

[project]
name = "spectrogram"
version = "1.2.0"
version = "1.3.0"
description = "Spectrogram Viewer and Audio Processing Tool"
readme = "README.md"
requires-python = ">=3.13"
dependencies = [
"matplotlib",
"librosa",
"numpy"
"numpy",
"soundfile"
]

[tool.setuptools]
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20 changes: 20 additions & 0 deletions scripts/analyse-audio.sh
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@@ -0,0 +1,20 @@
#!/usr/bin/env bash

if [[ $# < 3 ]]; then
echo "Usage: $0 INPUT-WAV-FILE OUTPUT-FOLDER-PATH TE-FACTOR [PROFILE]"
exit 1
fi

# Activate the virtual environment
export PROJECT_ROOT=$( cd "$( dirname "$0" )/.." && pwd )
source "$PROJECT_ROOT/venv/bin/activate"

# Run the analyser
profile="${4:-default}"
python -m spectrogram \
--config "$PROJECT_ROOT/config.json" \
--profile "$profile" \
--input "$1" \
--output "$2" \
--expansion-factor "$3" \
--analyse
13 changes: 9 additions & 4 deletions scripts/view-noise.sh
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@@ -1,7 +1,7 @@
#!/usr/bin/env bash

if [[ $# < 1 ]]; then
echo "Usage: $0 WAV-FILE [PROFILE]"
if [[ $# < 2 ]]; then
echo "Usage: $0 WAV-FILE CHART-FILE-PATH [PROFILE]"
exit 1
fi

Expand All @@ -10,5 +10,10 @@ export PROJECT_ROOT=$( cd "$( dirname "$0" )/.." && pwd )
source "$PROJECT_ROOT/venv/bin/activate"

# Run the analyser
profile="${2:-default}"
python -m spectrogram --config "$PROJECT_ROOT/config.json" --profile "$profile" --input "$1" --noise-detection
profile="${3:-default}"
python -m spectrogram \
--config "$PROJECT_ROOT/config.json" \
--profile "$profile" \
--input "$1" \
--output "$2" \
--noise-detection
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