Crackle Removal – Definition & Detailed Explanation – Audio Restoration and Forensics Glossary

What is crackle in audio restoration? Crackle refers to the presence of small, popping noises in audio recordings. It is often caused by imperfections in the recording medium or playback equipment, such as vinyl records or old tapes. Crackle can be distracting and diminish the overall quality of the audio, making it important to remove … Read more

Forensic Transcription – Definition & Detailed Explanation – Audio Restoration and Forensics Glossary

What is Forensic Transcription? Forensic transcription is the process of converting audio recordings into written text for use in legal proceedings, investigations, or other forensic purposes. This specialized form of transcription requires a high level of accuracy and attention to detail, as the transcribed text may be used as evidence in court cases or other … Read more

LPC (Linear Predictive Coding) – Definition & Detailed Explanation – Audio Restoration and Forensics Glossary

What is LPC (Linear Predictive Coding)? Linear Predictive Coding (LPC) is a method used in audio signal processing to represent the spectral envelope of a digital signal. It is commonly used in speech and audio compression, as well as in audio restoration and forensics. LPC analyzes the audio signal by modeling it as the output … Read more

Transient Detection – Definition & Detailed Explanation – Audio Restoration and Forensics Glossary

What is Transient Detection? Transient detection is a process used in audio signal processing to identify and isolate short-duration, high-intensity sound events within an audio recording. Transients are characterized by their sudden onset and rapid decay, making them stand out from the rest of the audio signal. These transient events can include drum hits, cymbal … Read more

Audio Authentication – Definition & Detailed Explanation – Audio Restoration and Forensics Glossary

What is Audio Authentication? Audio authentication is the process of verifying the authenticity and integrity of audio recordings. It involves analyzing various aspects of the audio, such as the waveform, frequency spectrum, and metadata, to determine if the recording has been tampered with or altered in any way. Audio authentication is commonly used in forensic … Read more

Audio Masking – Definition & Detailed Explanation – Audio Restoration and Forensics Glossary

What is Audio Masking? Audio masking refers to the phenomenon where the presence of one sound makes another sound less audible or even completely inaudible. This occurs when two sounds overlap in frequency and intensity, causing the human ear to perceive only the louder or more dominant sound while masking the quieter or less dominant … Read more

Audio Source Separation – Definition & Detailed Explanation – Audio Restoration and Forensics Glossary

What is Audio Source Separation? Audio source separation is a process in which individual sound sources in a mixed audio signal are separated and isolated from each other. This technique allows for the extraction of specific sound sources, such as vocals, instruments, or background noise, from a complex audio recording. By separating these sources, audio … Read more

Audio Fingerprinting – Definition & Detailed Explanation – Audio Restoration and Forensics Glossary

What is Audio Fingerprinting? Audio fingerprinting is a technology used to identify and analyze audio content based on its unique characteristics. It involves creating a digital fingerprint of an audio file by extracting key features such as frequency, amplitude, and duration. This fingerprint can then be compared to a database of known audio fingerprints to … Read more

Principal Component Analysis (PCA) – Definition & Detailed Explanation – Audio Restoration and Forensics Glossary

What is Principal Component Analysis (PCA)? Principal Component Analysis (PCA) is a statistical technique used to simplify complex data sets by reducing the number of variables while preserving the most important information. It is a dimensionality reduction method that transforms the original variables into a new set of uncorrelated variables called principal components. These components … Read more

Speech Enhancement – Definition & Detailed Explanation – Audio Restoration and Forensics Glossary

What is Speech Enhancement? Speech enhancement is a process used to improve the quality and intelligibility of speech signals that have been corrupted by noise or other distortions. It involves the application of various techniques to enhance the clarity and overall quality of speech, making it easier to understand and interpret. How does Speech Enhancement … Read more