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A (faulty?) review of a recent SS headphone amplifier
HeadFi just front-page-headlined a review of the Asgard 2, which featured a comparison with the O2, Magni, and Vali. It seems like a prime example of uncontrolled listening tests and the "it's newer/more expensive therefore it must be better" train of thought. Quite frankly, the review is...- ab initio
- Thread
- Replies: 62
- Forum: Sound Science
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"Things that people think are 'special' are not so special after all when knowledge of the origin is taken away"
The title of this thread is a quote by Professor Dale Purves that appeared in an NPR story. This came up in another thread regarding "tube sound" as an off-topic aside where I shared this story that appeared on NPR regarding a blind study that was conducted comparing 2 Stradavarius, 1...- ab initio
- Thread
- Replies: 46
- Forum: Sound Science
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Things to watch out for when debating audiophile claims and myths: logical fallacies
Logical fallacies examples: https://yourlogicalfallacyis.com Don't be fooled by (and don't employ) these tactics in your debates! Now go forth and spread sanity using welk well reasoned logic in your arguments and discussions! Cheers- ab initio
- Thread
- Replies: 10
- Forum: Sound Science
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Do audiophile electrical engineers use kilobuck cables?
Electrical engineers. In theory, if they are employed, they would be reasonably well off enough to buy high-end kilobuck cables. Also, if there is anyone who is trained in understanding the requisite physical principals that govern the supposed electrical advantage of cables which cost a lot of...- ab initio
- Thread
- Replies: 70
- Forum: Sound Science
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Here is a free education from MIT--teach yourself everything you need to know to understand sound!
There are free course materials from MIT available online here: MIT open courseware For those of you who aren't aware, MIT is a private school in Massachusetts that is lucky to be decent academically because they aren't known for sports. For example: a lecture video series on system...- ab initio
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- Replies: 4
- Forum: Sound Science
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Sennheiser HD 280 pro thread
Yes, you read the title correctly. I searched for a HD 280 appreciate thread about 4 years ago and I'm really sad that one still has never been created. I'm fixing that. I have a pair of HD-280s. I've had them for about 5 years and have logged hundreds and hundreds of hours listening to...- ab initio
- Thread
- hifiman-he-400 onkyo-tx-8555-stereo-receiver sennheiser-hd-280-headphones
- Replies: 62
- Forum: Headphones (full-size)
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The scientific merit of Pono
Hi All, I saw "pono" mentioned a few times in some other threads, and apparently I'm not "with it" enough to know what it was without searching the internet for it. For those who aren't in the know, here is wikipedia's description: Pono High Definition digital music service, brainchild...- ab initio
- Thread
- ponomusic-ponoplayer ponomusic
- Replies: 317
- Forum: Sound Science
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On USB audio: a case against USB 3 , "audiophile" USB cables, etc...
There are some bizarre questions and claims that surface from time to time in head-fi (sometimes right here in Sound Science), and among those topics are USB cables for audio and the supposed benefits of audiophile-grade cables or the use of USB 3. I thought I might share the thoughts of an...- ab initio
- Thread
- Replies: 10
- Forum: Sound Science
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Awesome April's Fooling in the DBT-free forum...
I got a real kick out of this post in that other side of the forums and i thought mist folks here would also appreciate it! http://www.head-fi.org/t/712596/6-ethernet-cables-compared#post_10414635 Cheers!- ab initio
- Thread
- Replies: 1
- Forum: Sound Science
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IEEE paper "Declipping of Audio Signals Using Perceptual Compressed Sensing"
Hi all, I stumbled across this recent paper in the IEEE Transactions on audio, speech, and language processing journal and thought I'd share it because it is a peer-reviewed scientific publication on audio processing techniques (this is the science section of an audio forum, isn't it?). ...- ab initio
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- Replies: 0
- Forum: Sound Science
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Pairing a subwoofer to a 2 (or 5 or 7) channel system: How?
I'm in the market for a powered sub to add to my powered monitors (and I started an advice thread in that other equipment subforum) and I've just started trying to work out what the important factors are when trying to update a 2.0 setup to a 2.1 setup. The reason I started this thread to...- ab initio
- Thread
- Replies: 7
- Forum: Sound Science
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What is a good subwoofer to pair with my powered monitors to make a 2.1 system?
I recently received the Samson MediaONE 4a powered monitors as a gift. I have to say that I'm really happy with them, having not personally owned any speakers beyond a few old stereo shelf systems. Right now, I've got them set up in the same room as a Sony STR-K7100 5.1 system, and I think the...- ab initio
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- Replies: 0
- Forum: Cables, Power, Tweaks, Speakers, Accessories (DBT-Free Forum)
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Waveform distortion due to digital clock errors (Including Jitter!): Time and frequency domain illustrations and discussions
Hi all, I found this application note from Agilent discussing some of the issues involved with digitizing analog signals with bandwidth-limited instruments. Included in the discussion are the effects of timing errors (e.g., jitter *gasp*) on the interpretation of the digitized waveform. ...- ab initio
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- Replies: 0
- Forum: Sound Science
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Edward de Bono quote
Hi all, I was pondering several of the links that live at the top of the sound science forum. For one, the quote at the top is by some guy named Edward de Bono and I had no clue who that was until I looked him up. It seems to me that at worst, he is a controversial figure, and even at...- ab initio
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- Replies: 23
- Forum: Sound Science
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Digital music transmission via USB
Hi all, I was trying to help a fellow head-fier understand digital data transmission and what it meant in regards to their USB cable quality concerns. The original thread is here. The issue came up that digital signals are really analog signals---to which I disagreed and provided an...- ab initio
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- Replies: 57
- Forum: Sound Science
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Effective number of bits---or why "you have to keep software at full volume" is nonsense
Okay, please excuse the title (but admit it, it did get your attention!). This thread is to discuss the digital audio mantra that "You should always always always leave software volume at 100%". Well suppose you have a powerful amp and sensitive cans, should you lose sleep over using a little...- ab initio
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- Replies: 45
- Forum: Sound Science
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Black magic for the studio: an old Sound on Sound article, "Hi-fi tweaks in the studio"
Hi all, came across this article while procrastinating. My google-fu (or rather head-fi-fu) didn't turn up any obvious posts in the forums, so I thought I might share this link. http://www.soundonsound.com/sos/1997_articles/aug97/hifitweaks.html Abstract: "Carbon-fibre cables...- ab initio
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- Replies: 20
- Forum: Sound Science
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Now What?!
Holy smoke on the water, I just heard Vincent Price [clicky] and it sounds very very purple. Roger's bass thumps river low and Gillian's still hitting those mountain highs. There's Airy keyboards while the drums keep the Paice and Steve shreds his fingers to the bone like a speed king. The... -
literature on the electrical characteristics of connectors?
Hi all, I was browsing about trying to understand why anybody needs $40k interconnects to hear Aretha Franklin's farts (http://www.amazon.com/review/R33X3TA6E7RIYT) when the scientific grade Ghz bandwidth bnc cables cost in the $10s. It seems to me the weak link should be in the connectors...- ab initio
- Thread
- Replies: 11
- Forum: Sound Science