Bitperfect not repeating songs itunes4/19/2023 ![]() The methods used by the 'sox' utility are an example. Yes, some upsampling in software can work very well. So the real problem is how well it is being done, and the details of the process used. Particularly when the ratio of the sample rates isn't a simple N:1. ![]() Not sure what but the result isn't nice.Īny flaws at all in the rendition coupled with that brightness is going to hurt the ears.Ĭlick to expand.That would be a very crude and basic way to 'upsample'. Apart from up-sampling from 44 to 48 it's doing something else. Playing anything through our Apple TV box sounds unpleasantly bright and over-enthusiastic and often unlistenable and that can only manage 16/48, I think. My impression is that Apple kit tends towards brightness, unpleasantly so. It's OK blasted out of the PC speakers (Creative Pro ones) but would be hilarious played through decent speakers. OK, it's better than the one in my iPhone but it's not great. I wait for someone to express incredulity at describing 24/96 as low-res. I wonder if it's a "flaw" or whether the music is being flattered by low res (16/44, 24/96) playback. You can hear the 24 bits versus 16, but the 96 wasn't much of a step up - the 192 was. I could hear a stack of differences between resolutions, but one of the most obvious was in the handling of HF detail and how that interacts with the rest of the frequency range.Īt 192 I found the top end to be quite precise and flowing in a way that nothing below that resolution could manage, even 24/96 which I didn't think was that much better than 16/44. But then it's probably £20 of DAC tech at best. A certain "fizzy" quality even when playing 24/192. By which I mean that it has certain audible artefacts most notable at the top end. I have a PC with a sound card capable of playing 24/192 and have the setting set to 24/192. I spent some time with a Meridan Explorer 2 DAC listening to the differences between the above quality levels. The author also stated that you didn't respond to his questions / concern.Just a few observations from someone who can, seemingly uniquely (and I don't believe that for a moment) tell the difference between 16/44 and 24/192. 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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