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A plea to the community: Would someone out there with access to some lab-grade test gear and a true reference DAC perform a legitimate head-to-head among JPlay and the other music players? I will admit that I am a JPlay believer (please don't hate). And I am bothered that there seems to be no measurable proof of its effectiveness. (And please spare me the speech about how something does not need to be measurable to be significant.) I have read some very thoughtful and clever experiments posted online that ultimately cannot demonstrate a measurable difference between, for instance, JPlay and JRiver. But I am left unconvinced because the test gear itself always seems inadequate. The last one I read was a very well-designed experiment with a write up from a guy who was obviously very smart, but the measurements were captured using a PC sound card with a specified -89dB noise floor on its ADC. Don't get me wrong, I realize this is a pretty tall order. Assuming a difference does actually exist, I would expect capturing that difference would require a system with incredible resolution and repeatability. But I have read online reviews from individual contributors that featured extremely expensive gear from Audio Precision, Rohde & Schwarz... my assumption is they had access to these assets at work (which is awesome). So, would someone with one of these $100k analyzers sitting around the office sneak a reference DAC into their lab and perform a rigorous after-hours experiment just to satisfy the curiosity of the audio community? If your boss catches you, you are welcome to throw "a2x024" under the bus...
I have an app that challenge you with sound blind tests.you have to listen to music and decide which one is better.The wave format file should be the one that you select if you think you have golden ears.Click the link below to check it out It's in google play for android phone. https://play.google.com/store/apps/details?id=com.bjsoundtrst or search banjerd sound test in google play