Date: September 20th, 2026 1:34 AM
Author: zarathustra
this is fairer than any argument you or i will make:
give me the most definitive scientific research available on the ability of humans to perceive the higher fidelity of formats considered higher fidelity than red book cd
The most definitive, comprehensive, and widely accepted scientific study on this topic is a massive peer-reviewed systematic review and meta-analysis published in the Journal of the Audio Engineering Society (JAES).The paper, titled "A Meta-Analysis of High Resolution Audio Perceptual Evaluation," was authored by Dr. Joshua Reiss from the Centre for Digital Music at Queen Mary University of London.
This study is considered the gold standard because, rather than relying on a single experiment with a small group of people, it applied rigorous statistical meta-analysis to the entirety of available historical research.
The Scope of the Study
Dr. Reiss analyzed 80 publication candidates, ultimately narrowing the selection down to 18 highly controlled, published experiments that provided full, verifiable data sets.
Data Volume: The meta-analysis compiled data from over 400 unique participants.
Rigor: It evaluated more than 12,500 individual blind listening trials.
The Goal: To determine if subjects could successfully differentiate between "standard resolution" audio (16-bit/44.1 kHz or 48 kHz CD quality) and "high resolution" audio (anything exceeding Red Book CD standards, such as 24-bit/96 kHz or SACD/DSD).Key Findings: What the Data Proved
The study's conclusions forced both hardcore audiophiles and strict skeptics to compromise.
1. The Core Finding: Perception is Real, but Trivial
The meta-analysis concluded that humans can perceive a difference between high-resolution and CD-quality audio under blind conditions, and the result is statistically significant. However, the effect size is incredibly small. Across all 12,500+ combined trials, the average correct identification rate was roughly 53%.Context: A score of 50% represents complete random guessing. While 53% is mathematically "better than chance" over thousands of trials, it demonstrates that the difference is not a striking "night-and-day" auditory revelation for the general public.
2. The Multiplier: Auditory Training
The single most critical variable in the entire study was whether or not the listener was trained.
When data from untrained, casual listeners was isolated, their ability to perceive high resolution fell to near-total random chance.
When data from trained listeners (such as mastering engineers, audio students, or professional musicians) was isolated, the ability to tell the formats apart increased dramatically, pushing identification rates closer to 60%.Dr. Reiss noted that almost all the statistical variation between the 18 separate studies could be explained by one factor: whether the participants had been trained to know exactly what micro-artifacts or transient details to listen for.
3. Stimulus Selection Matters
The study also revealed that the ability to perceive high-fidelity audio depends heavily on the choice of music. Listeners were far more successful at identifying high-resolution audio when using longer samples (more than 30 seconds) and tracks with intense, sharp transients—such as the sudden pluck of an acoustic string or the strike of a metal cymbal. This aligns with theories suggesting higher sampling rates better preserve microsecond timing data in sound waves.
Other Notable Context: The Meyer & Moran Defeat
Before Dr. Reiss's 2016 meta-analysis, the most famous study cited by skeptics was the 2007 Meyer & Moran Study (also published via the Audio Engineering Society).Over a year-long period, researchers tested 60 members of an audiophile society across 554 blind trials.
They inserted a CD-quality bottleneck (16-bit/44.1 kHz) into a high-end SACD/DVD-Audio playback system.
The audiophiles guessed correctly exactly 49.8% of the time.
Why Reiss changed the narrative: While Meyer & Moran proved that an average audiophile cannot walk into a room and instantly spot a CD-quality filter, Dr. Reiss's meta-analysis demonstrated that when you zoom out to thousands of trials and focus strictly on trained ears listening to targeted audio cues, human perception can technically resolve details beyond the Red Book CD barrier.
Would you like to explore the specific neuroscientific or physiological theories (like time-domain transient resolution) that explain how trained ears pick up these differences? Or would you prefer a breakdown of how to train your own ears using an ABX test?
(http://www.autoadmit.com/thread.php?thread_id=5905299&forum_id=2Elisa#50144830)