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My take on foobar ABX test with very subtle effects on files.
I tried to do ABX test with very subtle changes today with foobar2000 by adding subtle effects I can normally notice in DSP. I think the result is interesting so I decided to share it here. After starting ABX for a while, I started to build up stress and fatigue. At some point, I started to...- WindowsX
- Thread
- Replies: 44
- Forum: Sound Science
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I crop a page from study materials and some skeptics told me it's not true
What should I believe in now?- WindowsX
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- Replies: 11
- Forum: Sound Science
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Improving sound quality by optimizing micro SD storage performance for free
I'd like to share simple tips to improve micro SD for better sound quality, more reliable performance and save your DAP and micro SD's lifespan. Sounds too good to be true? Let's find out. :) 1. Format micro SD with exFAT filesystem with 128kb cluster size 2. Copy your music to micro SD card...- WindowsX
- Thread
- diskfresh micro sd tweaks
- Replies: 30
- Forum: Portable Source Gear
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Windows 10 Creators Update’s UAC2 driver – Is it better than OEM driver?
Warning: This is purely subjective listening tests. Please keep in mind this is personal opinion and speculations. I’ve been eagerly to test this for a long while but I have been so busy lately with lots of things to do now. Today I finished some works and have some free time to do some small...- WindowsX
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- Replies: 0
- Forum: Computer Audio
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I think I started to understand you guys' feeling a little better now
When I had family gathering last week, I drank the Chardonnay white wine I bought I found it's terrible to my taste (I like Chardonnay but that one was too bad to bear). At that moment, I recalled the situation when I had a dinner with my friend and he left drink the red wine he ordered after...- WindowsX
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- Replies: 7
- Forum: Sound Science
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Fiio X5iii Firmware Modification Project - PURIST REMIXED WITH 1.0.9 KERNEL
Yesterday I borrowed Fiio X5iii from my friend's shop to test. It sounded so freaking to the point whether it needs ROM modification as many spoke of. After flashing 1.1.4 OTA. I immediately realized how worse sound quality is. I'm not surprised why many people went back to older 1.1.1 ROM...- WindowsX
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- Replies: 297
- Forum: Portable Source Gear
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Some interesting measurements about FLAC VS WAV
Someone posted about their measurements result on my prank.....I mean my experiment I shared again recently. Here's what he said. He said he actually measured the signal and found extra microwave RF smearing the analog sections of the dac. What do you guys think about this?- WindowsX
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- Replies: 8
- Forum: Sound Science
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Classification of inaudible level?
How do Head-Fiers classify the term inaudible level in sound listening scientifically? What kind of parameters and threshold do they use for? I looked into glossary but there's no clear classification about inaudible terms despite being used widely through this forum.- WindowsX
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- Replies: 4
- Forum: Sound Science
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Slow VS Fast roll off and Minimum VS Linear phase
Which one is your preference and why? I prefer slow roll off with linear phase because I prefer having better impulse response with good coherent sound.- WindowsX
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- Replies: 60
- Forum: Sound Science
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iBasso DX200 Firmware Modification Project
After Paul providing ROM Image and Factory Tool making after-market ROM cooking become possible, I'm indulging myself into DX200 ROM cooking right now. Here's public release containing the following changes as below: -Based on firmware version 2.3.125 -Play Store added -Tweaked power.rk3368.so...- WindowsX
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- Replies: 330
- Forum: Portable Source Gear
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Any highend objectivist here?
I'm searching for objectivist audiophile using highend stereo systems. By my definition of highend stereo systems, I mean something at least $10k+ components and $20k+ speakers. I'd like to see how they address highend stuff objectively or they're all just marketing luring people with big bucks...- WindowsX
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- Replies: 8
- Forum: Sound Science
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Diffmaker - digital audio measurement tool
Lately sound science is circulating around rmaa and classical analog metrics with measurement methodlogy from past decades. It's becoming harder to discover noticeable measurements in digital audio domain. Today, I'd like to introduce Diffmaker software. It can detect changes in audio signal...- WindowsX
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- Replies: 8
- Forum: Sound Science
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DSD Recommendation from AES E-Library
In some posts before, there's a guy stating he couldn't hear difference between CD and SACD, leading to discussion whether SACD will really give any measurable benefits comparing to CD. Today I'd like to present the paper that was published last few years ago about benefits of DSD below. ...- WindowsX
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- Replies: 21
- Forum: Sound Science
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A+ Technology in Daniel Hertz's Master Class software and future of highend audio
Yesterday I had lunch with Mr. Mark Levison. Now he found his forth company after Mark Levison, Cello, and Red Rose Music. What piqued my interest is his A+ algorithm in Master Class software. It seems to be remastering tool using applied technology from Cello Audio Palette. You can read more...- WindowsX
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- Replies: 61
- Forum: Sound Science
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Is highend audio evil science?
It costs a fortune for better sound quality. Everything costs a lot and there's no clear scientific evidence that can prove for better sound. Yet a few wealthy audiophiles are willing to purchase them and appreciate them.- WindowsX
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- Replies: 79
- Forum: Sound Science
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Looking for measurements about audio improvement with Rasberry Pi 3 CRAAP config
I read archimago's measurements about Rasberry Pi 3 today here. http://archimago.blogspot.ca/2017/01/measurements-raspberry-pi-3-as-usb.html I'm surprised about his later paragraphs about CRAAP config. He said optimizing OS with CRAAP config like get better sound like this. Lower...- WindowsX
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- Replies: 26
- Forum: Sound Science
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I found testing paper about measuring power cord cable performance
I found testing paper about measuring changes with power cord here. http://www.johnvestman.com/VDCableNoiseSlewRevised2007.pdf Here's front page about this test. Please read and let us know what you guys think about this test.- WindowsX
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- Replies: 18
- Forum: Sound Science
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Have you compared between Kernel Streaming/ASIO/WASAPI for bit-perfect playback?
I tried searching in Google but couldn't find any post showing measurements between these outputs. Do graphs show any difference among them? Do they all sound the same to your ears? Which one is your preference?- WindowsX
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- Replies: 5
- Forum: Sound Science
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Why are all objectivists.....
always try to raise disagreement without effort to make tangible proof to disagree. Some people can make excuse all days long without giving anything a try so they can say "I tried it and it doesn't work the way you described.". I believe true objectivists are people who are willing to meet face...- WindowsX
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- Replies: 29
- Forum: Sound Science
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Looking for double blind test event about phase inversion
I discovered that some audiophiles can't identify whether system has inverted phase configuration or not. I wonder if there's anyone holding DBT event about phase inversion before. I tried searching in Google found no result.- WindowsX
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- Replies: 27
- Forum: Sound Science
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Testing changes that could affect audio performance with different file copying software
I know this sounds a bit hard to believe but it’s true since it was done without pretense to get better sound. Well, some people who use Rewrite Data maybe familiar with this concept already. We did some ripping experiments and my friend who owned AK380 tested the song from micro sd to compare...- WindowsX
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- Replies: 23
- Forum: Sound Science
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Measuring digital audio qualities of bit-perfect playback with Diffmaker’s correlation depth
It’s been a challenge to measure digital audio’s qualities and most of the time audiophiles don’t know any measurement outside RMAA’s analog metrics and got failed evaluations as you can see below: This was done through pure software environment using VB-Audio Virtual Cable to make...- WindowsX
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- Replies: 42
- Forum: Sound Science
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How do you explain the phenomenon when you first can't hear the difference but you can later?
I think this kind of thing happen to every audiophile. There must be a thing or two that you can't perceive the improvement or even difference with some changes. But one day you can notice the changes. How can we explain this in scientific terms?- WindowsX
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- Replies: 13
- Forum: Sound Science
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Why does external USB interface sounds better than internal USB interface?
Thinking logically, internal USB interface should have lesser chain of connection, shorter I2S connection to DAC without encapsulation on AES/SPDIF and stuff. My friend conduct some listening tests with Eximus DP1 and Stello U3. We found that using Stello U3 as external interface to AES/Coaxial...- WindowsX
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- Replies: 0
- Forum: Computer Audio
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Have you ever told you audiophile friends in real life...
How his recently purchases of equipment and accessories are scammed and doesn't really work well for the better. Like this equipment is scammed for overpriced product, this ones causes problems in your system more than it solves, you perceived placebo effect that isn't really there, etc. I'm...- WindowsX
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- Replies: 19
- Forum: Sound Science