Audio Guides and Useful Materials
Detailed practical articles for every WaveFixer tool: analysis, repair, conversion, tempo and key detection.
WAV vs FLAC: Quality, Size, Editing and Archiving
Learn why both formats can preserve identical audio, and choose the best one for production, delivery and a music archive.
AAC vs MP3: Quality, Bitrate, Compatibility and Best Uses
Compare two popular lossy codecs for music, video, streaming, podcasts and compatibility with older devices.
What Is Crest Factor in Audio? Peaks, RMS and Dynamics
Understand the peak-to-average relationship and use crest factor to evaluate punch, density and over-compression.
Mono Compatibility in Audio: How to Check and Fix Problems
Learn why stereo mixes can lose bass, vocals or width in mono and how to find phase cancellation before release.
What Is Peak Level in Audio? Peaks, Headroom and Clipping
Understand sample peaks, True Peak, clipping and practical headroom for recording, mixing and final export.
What Is Noise Floor in Audio? Measurement, Causes and Reduction
Learn how to measure background noise, identify hiss or hum, improve signal-to-noise ratio and reduce noise safely.
What Is RMS in Audio? Level, Energy and Practical Use
Understand RMS level, how it differs from peaks and LUFS, and when it remains useful in recording and mixing.
What Is dBFS? Digital Audio Levels Explained
Learn how the full-scale reference works, why values are negative, and how to avoid clipping while keeping healthy headroom.
How to Analyze Audio Quality Online
Learn how to check peaks, RMS, LUFS, True Peak, clipping, silence, DC offset, stereo balance, noise and format parameters.
Audio Spectrum Analyzer: How to Read Frequencies and Find Problems
Understand an audio spectrum, identify rumble, hum, harshness and missing frequency balance, and use an online spectrum analyzer correctly.
How to Check Stereo Width, Balance and Mono Compatibility
Learn how to evaluate stereo width, left-right balance, correlation and mono compatibility before publishing audio.
Audio Phase Checking: How to Find and Fix Phase Problems
Learn what phase cancellation is, how to detect it, and how to protect mixes from weak bass and unstable mono playback.
What Is LUFS and How to Measure Audio Loudness
A practical guide to integrated, short-term and momentary LUFS, loudness targets and safe preparation for streaming and podcasts.
True Peak in Audio: What It Means and Why It Matters
Learn why sample peaks are not enough, how inter-sample peaks appear and how to leave safe headroom before encoding.
How to Repair and Improve a Poor Audio Recording
A step-by-step guide to diagnosing and repairing noise, clicks, clipping, DC offset, silence and uneven levels without overprocessing.
How to Normalize Audio Loudness Online
Learn the difference between peak and loudness normalization, choose a safe target and compare the processed file with the original.
How to Remove Silence from the Beginning and End of Audio
Learn how silence detection works, how to choose a threshold and padding, and how to avoid cutting breaths or natural reverberation.
How to Restore Clipped Audio and Reduce Distortion
Learn how digital clipping occurs, what a declipper can reconstruct, and when a damaged recording cannot be fully restored.
How to Trim Audio Precisely Without Clicks
Learn how to choose edit points, use short fades and export a clean section without damaging the original file.
How to Convert Audio to WAV Online
Learn when WAV is the right choice, how sample rate and bit depth affect output, and how to avoid unnecessary quality loss.
How to Change Audio Sample Rate Correctly
A practical guide to 44.1, 48, 88.2, 96 and 192 kHz, resampling quality and choosing the right rate for music or video.
How to Change Audio Bit Depth Without Extra Noise
Understand 16-bit, 24-bit and 32-bit float audio, quantization noise, dithering and safe export settings.
How to Convert Audio Without Unnecessary Quality Loss
Learn how to choose a format, codec, sample rate and bit depth, and why repeated lossy conversion should be avoided.
How to Detect the BPM of a Song Quickly and Accurately
Learn how tempo detection works, why half-time and double-time results appear, and how to verify BPM by ear.
How to Detect a Song Key and Camelot Code
Learn how automatic key detection works, how relative major and minor keys relate, and how to use Camelot notation for harmonic mixing.
WAV vs MP3: Which Audio Format Should You Choose?
A detailed WAV vs MP3 comparison covering sound quality, file size, editing, streaming, archiving and the best format for each task.
FLAC vs MP3: Quality, File Size and Best Uses
Compare FLAC and MP3 for music quality, storage, streaming, compatibility and archiving, and learn when lossless audio is worth the space.
How to Remove Background Noise from Audio
Learn how to remove hiss, hum, room noise and computer fan noise from voice or music while avoiding metallic artifacts and damaged speech.
How to Make Audio Louder Without Distortion
Learn how to increase audio volume using gain, normalization, compression and limiting while avoiding clipping and excessive loudness.
Audio Compression Explained: Threshold, Ratio, Attack and Release
Understand audio compression controls, gain reduction, makeup gain and practical settings for vocals, speech, drums and mastering.
What Is an Audio Limiter and How to Use It Correctly
Learn how limiters control peaks, how ceiling and True Peak work, and how to avoid distortion, pumping and over-limited masters.
Dynamic Range in Audio: What It Is and Why It Matters
Understand audio dynamic range, crest factor, loudness range and how compression, limiting and normalization affect musical impact.
Audio Headroom: How Much Space Should You Leave?
Learn what headroom means in recording, mixing and mastering, how it relates to dBFS and True Peak, and why fixed rules can be misleading.