All of these competing demands on the audio subsystem can leave the whole stack of programs set up in a way that leaves the bitstream of your music pretty much intact or it can get configured (by other demands) into a state that trashes the hell out of the audio. These additional layers of system software allow for things like volume control and the computer being able to beep at you because it thinks you're stupid, or tell you you've got mail, while you're playing music at the same time. Handle it with about as much care as an 800lb gorilla or UPS would. After iTunes sends the bit stream on its merry way headed for the USB bus to the DAC, there's actually several more layers of OS-level software that handle the bit stream. ![]() Is Bitperfect a good solution for my setup and goals?Ĭlick to expand.The short answer is yes. I also listen to my Martin Logan Mikros 90 headphones with a Fiio E-11 amp when on the go. Sampling issues with iPod aside, what is the consensus on audible differences using Bitperfect? I don't want to spend the hundreds of dollars that the competition seems to charge, and I want to have the hi-res files readily available for when my Neil Young LE Pono arrives. I generally stream via airplay from my laptop or iPad to my apple tv connected to my Marantz 5006 5.1 system with my lovely Swan Diva 4.1's etc. If I were to install Bitperfect, will it be able to automatically convert these songs to 44khz, to keep my iPod classic happy, without me having to have duplicate lower resolution files in my library?Īnd, Bitperfect seems to get pretty good reviews. For the interim, I used XLD to make 44 kHz versions, but it's unwieldy to have multiple copies of various songs in my iTunes library on the affected albums I'm using a complicated workaround using checked boxes for the various songs and syncing accordingly. ![]() When I sync my iPod classic, iTunes gives me an error message saying that the iPod classic won't support the sampling rate. I have about 100 songs that are sampled at 96 through 192 kHz, with more on the way once I rip my Neil Young Archives blurays. The author also stated that you didn't respond to his questions / concern.In anticipation of my Pono hi res player coming this October, I have begun to rip my DVD-A's. Now the big "BUT": One of the review on the (German) App Store states that it alters the frequency response by exaggerating the highs, broadening the stereophonic sound and lowering the fundamental frequencies, making it more of an enhancer-plugin than an audiophile, "bit perfect" player. In comparison to the Plus version, the freeware Audirvana is slower, not as comfortable and customizable. I am using the trial version of Audirvana Plus and like the following points about it: ![]() I'm sorry I didn't read all the posts that came beforehand, and I am interested in BitPerfect, but I have some questions first.įirst of all: I discovered BitPerfect by searching for an alternative for Audirvana Plus, with it being too expensive in my opinion. But my guess is that what most people are hearing as sound improvement is just the placebo effect. I tried the same setup running the MBP through Total Bithead DAC while the DAC sounds very slightly different than the headphone out, again no difference with or without BitPerfect running (as compared to the iPhone 4s output).Ĭould BitPerfect make a perceptible improvement in a different setup? Perhaps. And - by the way - no perceptible difference between MPB and iPhone outputs. There was zero perceptible difference between the iPhone 4S and MPB running BitPerfect (I have pretty good ears and istening skills). a complicated mix like Jen Trynin, Getaway) Playing the same songs in exact sync (e.g. Volume balanced to pink noise - with SPL meter app ![]() MacBook Pro 2.2Ghz Core 2 Duo (late 2007) - OS X 10.7.2 - headphone out I did a blind A/B test (I don't know which source A or B is when listening) with the following set up: Does BitPerfect actually improve sound quality, or is it's percieved effect just subjective delusion?
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