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Aurras

Audio Processing & Effects Mastery

5 min read

Master Aurras's advanced audio processing capabilities including EQ, effects, format optimization, and professional audio workflows.

# aurras
# audio
# processing
# effects
# advanced
Aurras Advanced Features

Advanced Audio Processing

Take your audio experience to the next level with Aurras’s sophisticated audio processing capabilities.

Real-time Audio Effects

Equalizer Mastery

Preset Management:

# Load built-in presets
aurras --eq-preset rock
aurras --eq-preset classical
aurras --eq-preset vocal-boost
aurras --eq-preset bass-heavy
 
# Create custom EQ settings
aurras --eq "32:+2,64:+1,125:+0,250:-1,500:-2,1k:+1,2k:+3,4k:+2,8k:+1,16k:+0"
 
# Save your custom preset
aurras config save-eq-preset "my-studio" "60:+3,230:+1,910:-2,4k:+2,14k:+1"

Advanced EQ Techniques:

# Parametric EQ with Q factor control
aurras --eq-parametric "freq:1000,gain:+3,q:2.5" --eq-parametric "freq:3000,gain:-2,q:1.8"
 
# Dynamic EQ (frequency-dependent)
aurras --dynamic-eq --eq-threshold -18db --eq-ratio 2:1
 
# Linear phase EQ (zero latency)
aurras --eq-linear-phase --eq-precision high

Audio Effects Chain

Effects Ordering (Optimal Chain):

# Professional effects chain
aurras --effects-chain "compressor,eq,reverb,chorus,limiter"
 
# Creative effects chain
aurras --effects-chain "distortion,flanger,delay,reverb"

Compressor/Limiter:

# Gentle compression for dynamics
aurras --compressor --threshold -18db --ratio 3:1 --attack 10ms --release 100ms
 
# Limiting for loudness maximization
aurras --limiter --threshold -1db --release 50ms
 
# Multiband compression
aurras --multiband-compressor --bands 4 --crossovers "200,800,3200"

Modulation Effects:

# Chorus for width
aurras --chorus --rate 0.5hz --depth 0.3 --feedback 0.2
 
# Flanger for movement
aurras --flanger --rate 0.3hz --depth 0.7 --feedback 0.4 --delay 2ms
 
# Phaser for vintage sound
aurras --phaser --rate 0.4hz --depth 0.6 --stages 6

Time-based Effects:

# Reverb settings
aurras --reverb --room-size 0.7 --damping 0.3 --width 1.0 --dry-wet 0.25
 
# Delay/Echo
aurras --delay --time 250ms --feedback 0.4 --dry-wet 0.2
 
# Ping-pong delay
aurras --delay-stereo --left-time 250ms --right-time 375ms --feedback 0.3

Format Optimization & Conversion

High-Resolution Audio

Upsampling for High-End DACs:

# Upsample to 192kHz with dithering
aurras --upsample 192khz --dither triangular --noise-shaping high
 
# DSD playback
aurras --dsd-mode --dsd-over-pcm /path/to/file.dff
 
# MQA unfolding
aurras --mqa-unfold --mqa-passthrough /path/to/file.mqa.flac

Bit-Perfect Playback:

# Exclusive mode (bypasses system mixer)
aurras --exclusive-mode --bit-perfect --direct-mode
 
# Hardware volume control
aurras --hardware-volume --software-volume-bypass

Audio Format Optimization

Lossy Format Enhancement:

# AI upsampling for MP3 files
aurras --ai-enhance --target-quality cd --algorithm neural-net
 
# Psychoacoustic enhancement
aurras --psychoacoustic-enhance --stereo-imaging 1.2 --frequency-extension
 
# Dynamic range expansion
aurras --expand-dynamics --threshold -30db --ratio 1:2

Real-time Format Conversion:

# On-the-fly conversion
aurras --convert-realtime --target-format flac --target-bitrate lossless
 
# Batch conversion with processing
aurras convert --input ~/Music/ --output ~/Music-Enhanced/ \
  --format flac --apply-eq rock --normalize -23lufs

Professional Audio Workflows

Studio Integration

JACK Audio Server:

# Connect to JACK for professional routing
aurras --jack-output --jack-ports "system:playback_1,system:playback_2"
 
# JACK transport sync
aurras --jack-transport-sync --jack-timebase-master
 
# Multiple output routing
aurras --jack-multiout --route "main:system:playback,monitor:studio:input"

VST Plugin Support:

# Load VST effects
aurras --vst-path ~/vst/ --vst-chain "compressor.dll,reverb.dll"
 
# VST instrument hosting
aurras --vst-instrument "synth.dll" --midi-input "usb-keyboard"
 
# Plugin automation
aurras --vst-automate "compressor:threshold:-18,reverb:room_size:0.7"

Audio Analysis & Measurement

Real-time Analysis:

# Spectrum analyzer with different views
aurras --spectrum --style waterfall --range 20-20000 --resolution 4096
 
# Phase correlation meter
aurras --phase-meter --correlation-warning 0.3 --mono-warning
 
# Loudness monitoring (broadcast standards)
aurras --loudness-meter --standard ebu-r128 --target -23lufs

Audio Fingerprinting:

# Generate acoustic fingerprints
aurras fingerprint --algorithm chromaprint --output fingerprints.db ~/Music/
 
# Duplicate detection using fingerprints
aurras find-duplicates --method acoustic --threshold 0.85 --action report
 
# Audio similarity analysis
aurras similarity --reference track.flac --analyze-library --top 10

Advanced Playback Features

Gapless & Crossfading

Intelligent Crossfading:

# Auto-crossfade based on track analysis
aurras --crossfade auto --analysis beat-sync --fade-curve exponential
 
# Custom crossfade profiles
aurras --crossfade-profile "intro:2s,outro:3s,overlap:1s"
 
# Album-aware gapless playback
aurras --gapless-album --track-transition seamless

Smart Queue Management:

# Automatic queue filling
aurras --auto-queue --similar-tracks 3 --genre-match 0.8
 
# Fade-in/out automation
aurras --auto-fade --volume-detect --silence-threshold -40db

Multi-zone Audio

Zone Configuration:

# Set up multiple audio zones
aurras zone create "Living Room" --device alsa:hw:0,0
aurras zone create "Studio" --device jack:system
aurras zone create "Headphones" --device pulse:bluez
 
# Synchronized playback across zones
aurras --sync-zones "Living Room,Studio" --latency-compensation auto
 
# Individual zone control
aurras zone set "Studio" --volume 80 --eq rock --effects "compressor,reverb"

Room Correction:

# Room acoustic analysis
aurras room-analyze --microphone "usb-mic" --duration 30s --sweep-range 20-20000
 
# Apply room correction
aurras --room-correction --profile "my-studio.rcc" --auto-eq
 
# Manual correction
aurras --manual-correction --delay 12ms --phase-invert right --time-align

Performance Optimization

CPU & Memory Tuning

Audio Thread Optimization:

# High-priority audio processing
aurras --audio-priority realtime --cpu-affinity 2,3 --memory-lock
 
# Buffer size optimization
aurras --buffer-size 64 --periods 3 --sample-rate 48000
 
# SIMD optimizations
aurras --simd-enable avx2,sse4 --vector-size 256

Memory Management:

# Audio buffer pooling
aurras --buffer-pool-size 64mb --preload-tracks 3
 
# Efficient caching
aurras --cache-strategy lru --cache-size 256mb --prefetch-enabled

Hardware-Specific Optimization

Graphics Card Audio Processing:

# GPU-accelerated convolution
aurras --gpu-convolution --device cuda:0 --impulse-length 8192
 
# Parallel processing
aurras --gpu-parallel --effects "reverb,chorus" --batch-size 1024

DAC-Specific Optimization:

# High-end DAC modes
aurras --dac-profile "sabre-es9038" --oversampling 8x --digital-filter slow
 
# USB Audio Class 2.0
aurras --usb-audio-class 2.0 --native-dsd --usb-buffer-size 2048

Automation & Scripting

Audio Processing Scripts

Batch Processing:

import aurras
 
# Audio enhancement pipeline
processor = aurras.AudioProcessor()
processor.load_preset("mastering-chain")
 
for track in library.get_tracks(genre="classical"):
    enhanced = processor.process(track, effects=[
        "noise-reduction",
        "dynamic-eq",
        "stereo-enhancement",
        "mastering-limiter"
    ])
    enhanced.save(f"enhanced/{track.filename}")

Real-time Automation:

# Time-based automation
aurras schedule --time "22:00" --action "volume-fade-to 20" --duration 300s
 
# Conditional processing
aurras --if "genre=ambient" --effects "reverb,chorus" --volume-limit 70
 
# Mood-based EQ
aurras --mood-detection --eq-adapt --energy-threshold 0.7

Integration Examples

Home Automation:

# Smart home integration
aurras --mqtt-broker "homeassistant" --topic "music/aurras"
 
# Lighting sync
aurras --hue-bridge 192.168.1.100 --color-sync beat --brightness-audio
 
# Voice control
aurras --voice-assistant alexa --wake-word "aurras" --command-prefix "music"

Troubleshooting Audio Issues

Latency Optimization

Identifying Latency Sources:

# Audio latency measurement
aurras --latency-test --loopback --report-detailed
 
# Buffer underrun detection
aurras --monitor-underruns --alert-threshold 5 --auto-adjust-buffer

Optimization Steps:

# Kernel optimization
sudo echo performance > /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
 
# Audio system tuning
aurras --tune-system --disable-pulseaudio-modules --optimize-alsa
 
# Real-time kernel setup
aurras --rt-kernel-check --setup-rt-limits --audio-group-setup

Quality Assessment

Audio Quality Metrics:

# SNR and THD measurement
aurras --measure-quality --test-signal sine --frequency 1000 --duration 10s
 
# Frequency response analysis
aurras --frequency-sweep --start 20 --end 20000 --output-csv response.csv
 
# Jitter analysis
aurras --jitter-test --clock-source system --stability-test 300s

Expert Tips

Professional Techniques

  1. Golden Ears Training: Use Aurras’s built-in ear training mode
  2. Reference Monitoring: Set up A/B comparison with reference tracks
  3. Metering: Always monitor levels, phase, and frequency content
  4. Room Treatment: Use room correction for accurate monitoring
  5. Backup Workflows: Save all processing chains as presets

Performance Best Practices

  1. Dedicated Audio Machine: Use a separate computer for critical listening
  2. SSD Storage: Fast storage for large audio libraries
  3. Clean Power: Use conditioned power for audio equipment
  4. Network Isolation: Separate network for audio streaming
  5. Regular Calibration: Verify audio chain calibration monthly

Ready for more advanced features? Explore Scripting & Automation or dive into the Plugin Development Guide.