troubleshooting.md

Troubleshooting Guide

Table of Contents

1. Common Issues
2. Audio Problems
3. Performance Issues
4. Plugin Problems
5. File Format Issues
6. AI Features Troubleshooting
7. Testing Suite Issues
8. System-Specific Problems
9. Error Codes
10. Getting Additional Help

Common Issues

Application Won't Start

Symptoms: Application fails to launch or crashes immediately on startup.

Possible Causes:

• Corrupted installation files
• Missing system dependencies
• Incompatible operating system version
• Insufficient system permissions

Solutions:

1. Reinstall the application:

   • Uninstall completely using system uninstaller
   • Download fresh installer from official website
   • Run installer as administrator (Windows) or with sudo (Linux)

2. Check system requirements:

   • Verify OS version compatibility
   • Ensure minimum RAM and storage requirements are met
   • Update system to latest version

3. Reset application preferences:

   • Delete configuration files in user data directory
   • Windows: %APPDATA%\AudioApp\
   • macOS: ~/Library/Application Support/AudioApp/
   • Linux: ~/.config/audioapp/

4. Check antivirus software:

   • Temporarily disable antivirus
   • Add application to antivirus whitelist
   • Check if files were quarantined

Interface Issues

Symptoms: Interface elements are missing, overlapping, or not responding.

Solutions:

1. Reset interface layout:

   • Go to View > Reset Layout
   • Or delete layout configuration files

2. Check display scaling:

   • Adjust system display scaling settings
   • Try 100% scaling if using high DPI displays
   • Restart application after changing scaling

3. Update graphics drivers:

   • Download latest drivers from manufacturer
   • Restart system after installation

4. Clear interface cache:

   • Close application
   • Delete cache files in user data directory
   • Restart application

Licensing Issues

Symptoms: Application requests activation repeatedly or shows licensing errors.

Solutions:

1. Check internet connection:

   • Ensure stable internet for license validation
   • Check firewall settings for blocked connections

2. Refresh license:

   • Go to Help > License Information
   • Click "Refresh License" or "Reactivate"

3. Contact support:

   • Provide license key and system information
   • Include error messages and screenshots

Audio Problems

No Audio Output

Symptoms: No sound during playback, effects processing, or monitoring.

Diagnosis Steps:

1. Check audio device selection:

   • Settings > Audio > Output Device
   • Verify correct device is selected
   • Test with different output devices

2. Verify audio levels:

   • Check master volume level
   • Ensure tracks are not muted
   • Check system volume mixer

3. Test audio drivers:

   • Try different driver types (ASIO, DirectSound, Core Audio)
   • Update audio device drivers
   • Restart audio service

Solutions:

1. ASIO Driver Issues:

   - Install latest ASIO drivers for your interface
   - Use ASIO4ALL as universal ASIO driver
   - Set buffer size between 128-512 samples
   - Check sample rate compatibility
   

2. System Audio Conflicts:

   - Close other audio applications
   - Disable exclusive mode in Windows audio settings
   - Check for Windows Audio Service issues
   - Restart Windows Audio Endpoint Builder service
   

3. Hardware Problems:

   - Check cable connections
   - Test with different cables
   - Verify power to audio interface
   - Try different USB/Thunderbolt ports
   

Audio Dropouts and Glitches

Symptoms: Crackling, popping, dropouts, or distorted audio during playback.

Common Causes:

• Insufficient buffer size
• High CPU usage
• Driver issues
• USB power problems
• Hard drive performance

Solutions:

Buffer Size Optimization

Recommended buffer sizes:
- Recording: 64-128 samples (low latency)
- Mixing: 256-512 samples (balanced)
- Mastering: 512-1024 samples (high quality)

CPU Optimization

1. Monitor CPU usage:

   • Use built-in performance monitor
   • Close unnecessary applications
   • Disable real-time effects if needed

2. Optimize processing:

   • Use freeze/render for heavy tracks
   • Reduce plugin oversampling
   • Lower processing quality temporarily

Driver Troubleshooting

1. Update drivers:

   # Windows - Device Manager
   - Right-click audio device
   - Select "Update driver"
   - Choose "Search automatically"

2. ASIO troubleshooting:

   - Try different ASIO buffer sizes
   - Use single ASIO driver at a time
   - Check for driver conflicts
   - Restart audio service
   

High Latency Issues

Symptoms: Noticeable delay between input and output, making real-time monitoring difficult.

Solutions:

For Recording

1. Reduce buffer size:

   • Start with 64 samples
   • Increase gradually if dropouts occur
   • Monitor CPU usage

2. Use direct monitoring:

   • Enable on audio interface
   • Bypass software monitoring
   • Use hardware mixer if available

3. Optimize driver settings:

   ASIO Settings:
   - Buffer Size: 64-128 samples
   - Sample Rate: Match project rate
   - Bit Depth: 24-bit minimum
   - Single buffer mode: Enable if available
   

For Mixing

1. Increase buffer size:

   • Use 256-512 samples for mixing
   • Reduce real-time processing load
   • Freeze heavy tracks

2. Use low-latency monitoring:

   • Enable low-latency mode
   • Bypass effects during recording
   • Use dedicated monitor mix

Audio Quality Issues

Symptoms: Distortion, noise, or poor audio quality.

Diagnosis:

1. Check signal levels:

   • Monitor input/output meters
   • Avoid clipping (red indicators)
   • Maintain adequate headroom

2. Verify sample rate/bit depth:

   • Match project settings to source material
   • Use 24-bit for recording
   • Consider 48kHz for video projects

3. Test signal path:

   • Bypass all effects
   • Check each processing stage
   • Test with different source material

Solutions:

1. Signal Level Optimization:

   Recommended levels:
   - Recording peaks: -12 to -6 dB
   - Mix bus: -6 to -3 dB peak
   - Master output: -1 dB max peak
   - Noise floor: Below -60 dB
   

2. Quality Settings:

   Project Settings:
   - Sample Rate: 48kHz (video) or 44.1kHz (audio)
   - Bit Depth: 24-bit minimum
   - Processing: 32-bit float internal
   - Dithering: Enable for bit depth reduction
   

Performance Issues

High CPU Usage

Symptoms: System becomes slow, audio dropouts, application freezes.

Monitoring Tools:

• Built-in CPU meter in status bar
• System task manager
• Audio performance monitor

Optimization Strategies:

Plugin Optimization

1. Reduce plugin count:

   • Remove unnecessary plugins
   • Use send effects instead of inserts
   • Group similar processing

2. Optimize plugin settings:

   Plugin Optimization:
   - Reduce oversampling rates
   - Lower quality settings during editing
   - Use efficient algorithms
   - Disable unused features
   

3. Use freeze/render:

   • Freeze CPU-intensive tracks
   • Render effects to audio
   • Bounce virtual instruments

System Optimization

1. Close background applications:

   # Windows Task Manager
   Ctrl+Shift+Esc > Processes tab
   - End non-essential processes
   - Disable startup programs
   - Close browser tabs and other apps

2. Optimize system settings:

   Windows:
   - Set power plan to "High Performance"
   - Disable Windows Defender real-time scanning
   - Stop Windows Update during sessions
   - Disable visual effects
   
   macOS:
   - Quit unnecessary applications
   - Disable Spotlight indexing temporarily
   - Close Dashboard and widgets
   - Reset PRAM/NVRAM if needed
   

Memory Issues

Symptoms: "Out of memory" errors, application crashes, system becomes unresponsive.

Solutions:

Memory Management

1. Monitor memory usage:

   • Check system memory usage
   • Monitor application memory consumption
   • Clear cache regularly

2. Optimize project settings:

   Memory Optimization:
   - Use lower bit depths for drafts
   - Reduce buffer sizes when not recording
   - Clear undo history periodically
   - Close unused projects
   

3. Clear caches:

   Cache Locations:
   Windows: %TEMP%\AudioApp\
   macOS: ~/Library/Caches/AudioApp/
   Linux: ~/.cache/audioapp/
   
   Clear manually or use built-in cache cleaner
   

System Memory

1. Increase virtual memory:

   Windows:
   - Control Panel > System > Advanced
   - Performance Settings > Advanced
   - Virtual Memory > Change
   - Set custom size (1.5x RAM)
   

2. Close memory-intensive applications:

   • Web browsers with many tabs
   • Video editing software
   • Games and other media applications

Storage Performance

Symptoms: Slow file loading, long export times, system becomes unresponsive during file operations.

Solutions:

Disk Optimization

1. Use SSD for audio files:

   • Store projects on SSD
   • Use separate drive for samples
   • Regular disk cleanup

2. Optimize file organization:

   Recommended Structure:
   - Projects: Fast SSD
   - Samples: Secondary SSD/HDD
   - Exports: Fast storage
   - Cache: Fastest drive
   

3. Disk maintenance:

   # Windows
   chkdsk C: /f /r
   defrag C: /O
   
   # macOS
   diskutil verifyVolume /
   diskutil repairVolume /
   
   # Linux
   fsck /dev/sda1

Plugin Problems

Plugin Won't Load

Symptoms: Plugin appears in list but fails to instantiate or causes crashes.

Diagnosis Steps:

1. Check plugin compatibility:

   • Verify 32-bit vs 64-bit compatibility
   • Check operating system support
   • Confirm plugin format (VST2/VST3/AU)

2. Validate plugin installation:

   • Reinstall plugin
   • Check installation directory
   • Verify plugin registration

Solutions:

VST Plugin Issues

1. Clear plugin cache:

   Cache Locations:
   Windows: %APPDATA%\AudioApp\PluginCache\
   macOS: ~/Library/Application Support/AudioApp/PluginCache/
   
   Delete cache files and rescan plugins
   

2. Check VST paths:

   Default VST Paths:
   Windows: C:\Program Files\VSTPlugins\
   macOS: /Library/Audio/Plug-Ins/VST/
   Linux: ~/.vst/
   
   Add custom paths in Settings > Plugins
   

3. Plugin scanning:

   Manual Plugin Scan:
   - Settings > Plugins > Rescan All
   - Or scan specific directories
   - Skip problematic plugins if needed
   

Audio Units (macOS)

1. Validate Audio Units:

   # Terminal command to validate AU plugins
   auval -a
   
   # Validate specific plugin
   auval -v aufx rvrb appl

2. Reset Audio Units cache:

   # Remove AU cache
   rm ~/Library/Caches/AudioUnitCache
   
   # Reset component cache
   sudo rm -rf /Library/Caches/com.apple.audiounits.cache

Plugin Crashes

Symptoms: Application crashes when loading or using specific plugins.

Solutions:

Isolate Problem Plugins

1. Binary search method:

   • Disable half of plugins
   • Test stability
   • Narrow down to specific plugin
   • Report to plugin manufacturer

2. Create plugin blacklist:

   Settings > Plugins > Blacklisted Plugins
   - Add problematic plugins
   - Prevent automatic loading
   - Test updates later
   

Compatibility Mode

1. Use plugin bridges:

   • jBridge (Windows)
   • 32 Lives (macOS)
   • Carla (Linux)

2. Sandbox plugins:

   • Enable plugin sandboxing
   • Isolate plugin processes
   • Prevent application crashes

Plugin Performance Issues

Symptoms: Plugins cause high CPU usage, audio dropouts, or slow response.

Solutions:

Optimize Plugin Settings

1. Reduce quality settings:

   Common Optimizations:
   - Lower oversampling rates
   - Reduce filter quality
   - Disable unnecessary features
   - Use "Draft" or "Economy" modes
   

2. Buffer optimization:

   • Increase plugin-specific buffers
   • Use higher latency settings
   • Reduce real-time processing

Plugin Management

1. Use efficient alternatives:

   • Replace CPU-heavy plugins
   • Use built-in effects when possible
   • Group similar processing

2. Plugin loading optimization:

   Settings > Plugins:
   - Enable "Load plugins on demand"
   - Disable unused plugin formats
   - Use plugin favorites list
   

File Format Issues

Unsupported File Formats

Symptoms: Files won't import or show format errors.

Supported Formats:

Audio Formats:
- WAV (8, 16, 24, 32-bit)
- FLAC (16, 24-bit)
- MP3 (CBR, VBR)
- AAC (M4A)
- OGG Vorbis
- AIFF

Project Formats:
- Native project files (.aproj)
- OMF/AAF import
- XML project exchange

Solutions:

Format Conversion

1. Use external converters:

   Recommended Tools:
   - FFmpeg (command line)
   - MediaInfo (analysis)
   - VLC Media Player
   - Audacity (open source)
   

2. Online conversion:

   • Use reputable online converters
   • Verify quality after conversion
   • Keep original files as backup

Import Options

1. Adjust import settings:

   Import Options:
   - Sample rate conversion: Automatic/Manual
   - Bit depth: Match project or convert
   - Channel handling: Stereo/Mono/Multi
   - Quality: High/Medium/Fast
   

Corrupted Files

Symptoms: Files partially load, cause crashes, or produce distorted audio.

Solutions:

File Repair

1. Use repair tools:

   # FFmpeg repair
   ffmpeg -i corrupted.wav -c copy repaired.wav
   
   # Audacity repair
   - Import with "Ignore errors"
   - Export to new format

2. Recovery methods:

   • Try different applications
   • Extract audio from backups
   • Use specialized recovery software

Prevention

1. Regular backups:

   • Automated project backups
   • Multiple backup locations
   • Version control for projects

2. File integrity checking:

   • Verify file checksums
   • Regular disk scanning
   • Use reliable storage media

Import/Export Problems

Symptoms: Files import incorrectly, export fails, or quality issues in exported files.

Solutions:

Import Issues

1. Check file integrity:

   # MediaInfo command line
   mediainfo file.wav
   
   # Check for corruption
   ffprobe -v error file.wav

2. Import settings:

   Import Configuration:
   - Match sample rates: Recommended
   - Preserve bit depth: For mastering
   - Auto-normalize: Disable for precision
   - Apply crossfades: For seamless loops
   

Export Issues

1. Export settings verification:

   Export Checklist:
   - Correct sample rate/bit depth
   - Proper dithering settings
   - Metadata inclusion
   - File naming convention
   

2. Export troubleshooting:

   Common Export Problems:
   - Insufficient disk space
   - File permission errors
   - Network drive issues
   - Codec availability
   

AI Features Troubleshooting

AI Analysis Fails

Symptoms: AI analysis doesn't start, crashes, or produces no results.

Solutions:

System Requirements

1. Check minimum requirements:

   AI Analysis Requirements:
   - RAM: 8GB minimum, 16GB recommended
   - CPU: Multi-core processor required
   - GPU: Optional but recommended for faster processing
   - Internet: Required for cloud-based analysis
   

2. Update AI models:

   • Check for model updates
   • Clear AI model cache
   • Re-download corrupted models

Troubleshooting Steps

1. Reset AI settings:

   AI Settings Reset:
   - AI > Settings > Reset to Defaults
   - Clear analysis cache
   - Restart application
   

2. Check input requirements:

   AI Input Requirements:
   - Minimum length: 10 seconds
   - Maximum length: 10 minutes per analysis
   - Sample rate: 44.1kHz or higher
   - Bit depth: 16-bit minimum
   

Slow AI Performance

Symptoms: AI analysis takes very long time or appears to hang.

Solutions:

Performance Optimization

1. Reduce analysis scope:

   • Select specific analysis types
   • Analyze shorter audio segments
   • Use lower quality settings for drafts

2. System optimization:

   AI Performance Settings:
   - Enable GPU acceleration if available
   - Increase CPU priority for analysis
   - Close other applications during analysis
   - Use fastest storage for cache
   

Cloud vs Local Processing

1. Cloud processing:

   • Faster for complex analysis
   • Requires stable internet
   • May have usage limits

2. Local processing:

   • More private and secure
   • No internet required
   • Dependent on system performance

Incorrect AI Suggestions

Symptoms: AI provides irrelevant or poor quality suggestions.

Solutions:

Improve AI Accuracy

1. Provide better input:

   Input Quality Guidelines:
   - Use high-quality source material
   - Ensure proper levels (no clipping)
   - Remove noise if possible
   - Use appropriate analysis types
   

2. Train the AI system:

   • Provide feedback on suggestions
   • Rate suggestion quality
   • Use learning mode if available
   • Build custom user profiles

Analysis Configuration

1. Adjust analysis parameters:

   Analysis Settings:
   - Confidence threshold: Adjust based on needs
   - Analysis depth: Balance speed vs accuracy
   - Genre preference: Set if known
   - Reference material: Provide if available
   

Testing Suite Issues

Tests Won't Run

Symptoms: Audio tests fail to start or complete.

Solutions:

Test Requirements

1. Check audio requirements:

   Test Input Requirements:
   - Valid audio buffer loaded
   - Minimum duration: 1 second
   - Maximum duration: 30 minutes
   - Supported sample rates
   

2. System resources:

   • Ensure sufficient memory
   • Close resource-intensive applications
   • Verify storage space for test results

Test Configuration

1. Reset test settings:

   Tools > Testing > Reset Configuration
   - Clear test cache
   - Reset quality thresholds
   - Restore default test selection
   

Inconsistent Test Results

Symptoms: Same audio file produces different test results.

Solutions:

Standardize Testing Environment

1. Consistent test conditions:

   Testing Best Practices:
   - Use same audio settings
   - Clear cache between tests
   - Disable real-time processing
   - Close other audio applications
   

2. Test parameter verification:

   • Check quality thresholds
   • Verify test selection
   • Ensure consistent input levels
   • Use same reference standards

Test Performance Issues

Symptoms: Tests run very slowly or cause system to become unresponsive.

Solutions:

Optimize Test Performance

1. Reduce test scope:

   Performance Optimization:
   - Select only necessary tests
   - Use shorter audio segments
   - Reduce analysis depth
   - Enable multi-threading
   

2. System optimization:

   • Close unnecessary applications
   • Increase process priority
   • Use fastest storage for cache
   • Monitor system resources

System-Specific Problems

Windows Issues

Windows Audio Service Problems

# Restart Windows Audio Service
net stop audiosrv
net start audiosrv

# Reset Windows Audio Endpoint Builder
net stop AudioEndpointBuilder
net start AudioEndpointBuilder

ASIO Driver Issues

1. Install ASIO4ALL:

   • Download from official website
   • Install with administrator privileges
   • Configure buffer size and sample rate

2. Driver conflicts:

   Device Manager:
   - Disable built-in audio
   - Update audio interface drivers
   - Check for driver conflicts
   

Windows-Specific Optimizations

Power Options:
- Set to "High Performance"
- Disable USB selective suspend
- Turn off hard disk sleep

System Settings:
- Disable Windows Defender real-time protection
- Stop Windows Update during sessions
- Disable visual effects
- Set processor scheduling to "Background services"

macOS Issues

Core Audio Problems

# Reset Core Audio
sudo killall coreaudiod

# Check Audio MIDI Setup
open /Applications/Utilities/Audio\ MIDI\ Setup.app

Audio Units Issues

# Validate Audio Units
auval -a

# Reset Audio Units cache
rm ~/Library/Caches/AudioUnitCache
sudo rm -rf /Library/Caches/com.apple.audiounits.cache

macOS-Specific Optimizations

System Preferences:
- Energy Saver: Prevent computer sleep
- Spotlight: Disable indexing during sessions
- Notifications: Turn off during recording

Terminal Commands:
- sudo fs_usage -w | grep audio (monitor file access)
- sudo dtruss -p [PID] (trace system calls)

Linux Issues

ALSA Configuration

# Check ALSA devices
aplay -l
arecord -l

# Configure ALSA
sudo nano /etc/asound.conf

JACK Audio Connection Kit

# Start JACK daemon
jackd -d alsa -r 48000 -p 256

# Check JACK status
jack_lsp
jack_connect

Real-Time Audio Setup

# Add user to audio group
sudo usermod -a -G audio $USER

# Configure real-time limits
sudo nano /etc/security/limits.conf
# Add:
@audio - rtprio 95
@audio - memlock unlimited

Linux Audio Optimizations

# Disable CPU frequency scaling
echo performance | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor

# Set real-time kernel
sudo apt install linux-lowlatency

# Optimize system for audio
sudo sysctl -w vm.swappiness=10
sudo sysctl -w kernel.sched_rt_runtime_us=-1

Error Codes

Audio Processing Errors

Error Code	Description	Solution
AE001	Audio context creation failed	Update browser/OS, check audio drivers
AE002	Unsupported sample rate	Convert to supported rate (44.1-192kHz)
AE003	Buffer allocation failed	Reduce buffer size, close other applications
AE004	Audio file corrupted	Try file repair tools, use backup
AE005	Processing timeout	Reduce processing complexity, optimize settings

Plugin Errors

Error Code	Description	Solution
PE001	Plugin not found	Rescan plugins, check installation
PE002	Plugin incompatible	Update plugin, check 32/64-bit compatibility
PE003	Plugin authorization failed	Check license, reactivate plugin
PE004	Plugin crashed	Update plugin, use in compatibility mode
PE005	Plugin parameters invalid	Reset plugin, check automation data

File Format Errors

Error Code	Description	Solution
FE001	Unsupported file format	Convert file, check codec availability
FE002	File header corrupted	Repair file, use recovery tools
FE003	Insufficient permissions	Run as administrator, check file permissions
FE004	File in use by another application	Close other applications, restart system
FE005	Network file access failed	Check network connection, copy locally

AI Analysis Errors

Error Code	Description	Solution
AI001	Analysis model not found	Download models, check internet connection
AI002	Input audio too short	Use longer audio clips (>10 seconds)
AI003	Analysis timeout	Reduce audio length, check system resources
AI004	Model loading failed	Clear cache, redownload models
AI005	Insufficient system resources	Close applications, add more RAM

Testing Suite Errors

Error Code	Description	Solution
TS001	Test configuration invalid	Reset test settings, check parameters
TS002	Audio buffer not available	Load audio file first
TS003	Test execution failed	Check system resources, restart application
TS004	Reference standards missing	Download test standards, check installation
TS005	Test results validation failed	Clear cache, rerun tests

Getting Additional Help

Built-in Help Resources

1. Context-sensitive help:

   • Press F1 for help on current context
   • Hover over controls for tooltips
   • Check status bar for detailed information

2. Documentation access:

   • Help > User Manual
   • Help > API Reference
   • Help > Troubleshooting Guide (this document)

Online Resources

1. Official website:

   • Download latest updates
   • Check system requirements
   • Browse knowledge base

2. Community forums:

   • User discussions and solutions
   • Share experiences and tips
   • Get help from other users

3. Video tutorials:

   • Step-by-step demonstrations
   • Workflow examples
   • Advanced techniques

Technical Support

Before Contacting Support

1. Gather system information:

   System Info (Help > System Information):
   - Operating system version
   - Application version
   - Audio driver information
   - System specifications
   - Error messages and codes
   

2. Try basic troubleshooting:

   • Restart application
   • Update to latest version
   • Check this troubleshooting guide
   • Search online forums

Contact Methods

1. Support ticket system:

   • Most detailed technical assistance
   • Include system information and logs
   • Attach relevant files if possible

2. Email support:

   • For non-urgent issues
   • Include detailed problem description
   • Attach screenshots or error logs

3. Live chat (if available):

   • Quick questions and guidance
   • Real-time troubleshooting
   • Basic technical support

Information to Include

Support Request Template:
- Application version
- Operating system and version
- Audio interface model and drivers
- Detailed problem description
- Steps to reproduce the issue
- Error messages or codes
- System specifications
- What you've already tried

Emergency Procedures

Application Crashes

1. Immediate steps:

   • Don't panic - auto-save may have preserved work
   • Check for crash logs
   • Restart application
   • Load recent auto-save

2. Recovery:

   Recovery Locations:
   Windows: %APPDATA%\AudioApp\AutoSave\
   macOS: ~/Library/Application Support/AudioApp/AutoSave/
   Linux: ~/.config/audioapp/autosave/
   

Data Recovery

1. Project recovery:

   • Check auto-save files
   • Look for backup copies
   • Use version history if available

2. Audio file recovery:

   • Check temporary folders
   • Use file recovery software
   • Restore from backups

System Issues

1. Audio system failure:

   • Restart audio drivers
   • Reset audio preferences
   • Use different audio device temporarily

2. System instability:

   • Save work immediately
   • Close other applications
   • Restart system if necessary

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This troubleshooting guide covers the most common issues and solutions. For additional help or issues not covered here, please contact technical support with detailed information about your problem.