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  1. r010159

    Audio DiffMaker and audio players

    Hello! I have been comparing the output of two different music players using ALAC files. I use DiffMaker to compare the two results. I then play the resulting difference file. I find if I turn up the gain on my amplifier enough I can hear the music that I used in the comparison. What does...
  2. r010159

    Comparing DACs with inexplicable results

    I need help figuring this out. I have been comparing the O2/ODAC to the Apogee Duet 2.  The Apogee is obviously the more expensive DAC that is also used by mobile professionals. Apogee converters (DAC and ADC) are legendary in the high pro end. So I expected a significant difference between the...
  3. r010159

    DACs and aliasing

    I have two DACs. I have been playing the same material, first on one DAC, and then the other. One DAC has a type of distortion, an inharmonious quality to the sound, in the highest register of a singing voice. The other DAC does not have this problem. I did check for clipping but where this...
  4. r010159

    New DAC, very different soundstage!?

    I have recently purchased a Apogee Duet 2. Something interesting is happening. I am comparing it to an ODAC/O2, which is what I am very familiar with. On the O2, the instruments sound OK with what I would consider "normal" (or familiar) placement on the soundstage.  Now with the Duet, the...
  5. r010159

    Oscilloscope Questions

    Anyone here that understands these beasties? The digital storage oscilloscope?   I am thinking of teaching myself basic electronics enough so I can understand some of the amp and DAC designs all of you have put together. I had a boatload of EE courses when in college. but have forgotten...
  6. r010159

    Audirvana Plus sound dropping out

    Hello!   I have Audirvana Plus on a 4Gbyte Mac mini, with no other app running when I am playing music. I had the lookahead buffer set to both 500M and 1G. When I first downloaded the player, I can see it read the track into the buffer completely and play it. Now the audio continually drops...
  7. r010159

    Audio plugins: which ones do you use?

    I decided to try out this thread on audio plugins. I use them to enhance my enjoyment of music. My music player Audirvana accepts plugins. For example, I use GlissEQ and Warmifier by Voxengo. These plugins are used by professionals in their mastering of albums. So the quality is there. But I...
  8. r010159

    Recommendations for affordable, easy to use DAP

    I am looking for an affordable, easy to use DAP that is powerful enough to drive full-sized headphones, ones that may be up to 300-ohm. I take care of my mother who is very old and has dementia. But she can still learn how to perform simple operations, most of the time. The closer it operates to...
  9. r010159

    Audio Hijack Pro

    Hello! I understand that Hijack Pro is a popular application. Why doesn't everyone who uses it share some information on any plugins that you use (VST or AU). Also you can bring up any problems you had with it and what you found to fix it. For instance, I found that a lot more AU plugins seem...
  10. r010159

    Noise reduction of low-grade CD music

    Hello! Recently, I have been running into some low-grade music recordings with a high noise floor. This is material ripped from CDs as the source. Is there a noise reduction hardware or preferably software that can reduce this noise level as the music is being played from a PC or Mac? Or...
  11. r010159

    Noise reduction of low-grade CD music

    Hello! Recently, I have been running into some low-grade music recordings with a high noise floor. This is material ripped from CDs as the source. Is there a noise reduction hardware or preferably software that can reduce this noise level as the music is being played from a PC or Mac? Or...
  12. r010159

    AudioQuest Dragonfly vs JDSLabs C5D vs Fiio E18

    Hello all! I am trying to choose between these three DAC/amps. I understand that the DF is USB powered without a battery. Does it provide enough power to drive my Beyerdynamics DT880 Premium 300 ohm headphones? Is there any noticeable difference in sound quality between the two, something...
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