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Posts by Roseval

In principle converting from one lossy format to another lossy format is not a good idea. You combine the artifacts of one lossy compression with those of an another lossy compression. In practice high bitrate AAC converted to high bitrate MP3  has a pretty good change to sound the same. Converting to FLAC will give you the quality of the originating ACC at the expense of doubling the file size. Your best bet of course is to convert a couple of ACCs to both MP3 and...
We don’t measure sound stage. Have you ever seen any piece of gear that can measure it    Our hearing is highly unlinear, the lower the level the more it is. This is called the Fletcher–Munson curves. This probably explains the phenomenon you are revering to https://en.wikipedia.org/wiki/Fletcher%E2%80%93Munson_curves
An audio file has a number of channels, a bit depth and a sample rate. Bit perfect means the audio is delivered to the DAC without any change.   Almost all operating systems do support multiple audio streams. Hence they have a mixer. You can only mix streams if they do have the same sample rate. This is set somewhere in the audio properties. If this value differs from the sample rate of the audio, there will be resampling and this of course means you are no longer...
It isn’tBasically there are 3 type of DACs, 16, 24 or 32 bit.This is a numerical spec.The DAC (the chip) needs this number of bits otherwise it won’t playASIO can provide this.
Have a look at  Pure music Aurdirvana BitPerfect All of them support bit-perfect playback but at a far more reasonable price.
It is a bit unclear what this OSX Clock source is supposed to do but I wonder if it really matters.   Asynchronous USB is USB in isochronous mode with asynchronous synchronization. This means the clock of the DAC runs at its own pace. The USB receiver watches the buffer. If it drains to fast, it tells the PC to send more data, if it is filled to fast, it tells the PC the opposite. This has nothing to do with clocking at the PC side (you can’t change the clocking of...
Completely correct.A lot of DACs do convert internally e.g. Benchmark DAC 1 converts everything to 110 kHzUpsampling DACs often to 192 Common is to match the PC settings with the sample rate of the audio to avoid a double re-sampling.However, the SRC of OSX is quit good, one might wonder if it is audible.
Thanks Can one do DLNA on OSX?
I wonder if this is true.A lot of Apple devices are limited to 16/44This does not necessarily implies that the Airplay protocol it self  is limited to 16/44 as wellThe problem of course is that Apple talks live style, not specs so it is a bit hard to find out what the properties of the Airplay protocol really are. This https://discussions.apple.com/message/12500427#12500427 suggest  that if the streamer is capable of 24/96, Airplay can supply it.
Almost all audio is 44.1 kHz (the CD format), certainly on streaming services If your DAC supports 24 (most of them do today), use 24 Not because of the audio (will be 16) but it allows for digital volume control up to -48 dBfs before you are losing resolution.   Hence 24 / 44.1 is your best bet
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