Recent content by john65537
  1. john65537

    How can we hear 20hz with headphones?

    Another question is: Some people said you need a big transducer to generate low frequency tones, this should be inaccurate.   I think transducers of any size can generate low frequency tones, but because human ears are so insensitive toward low frequencies, bigger transducers can move...
  2. john65537

    How can we hear 20hz with headphones?

    thanks. So if you are in a very small room and your speakers produce basses lower than 30hz, you hear the original waves just fine when your ears recieve them directly. But sound waves reflected from things like walls may create resonances that increase or decrease the original wave...
  3. john65537

    How can we hear 20hz with headphones?

    I read an article somewhere saying you need a big room to actually hear low frequencies. It's based on physics: Speed = frequency * wavelength So if your room is too small, low basses you hear are actually resonances.   The question is: Since headphones (especially closed types) have so...
  4. john65537

    Loudspeakers vs headphones

    Quote:   Nowadays we can use Crossfeed tech to relieve the panning problem of headphone listening. I use a cross-feed plugin on WinAmp and well enjoy it.
  5. john65537

    Sennheiser HD 600 Impressions Thread

    Quote:   The major difference is bass.   The best way is to audition them yourself and find out which one you prefer.
  6. john65537

    Android phones and USB DACs

    Quote: Thanks! slatedroid.com have some threads very informative for android's USB DAC issue.   I'm following tsynik's method in http://www.slatedroid.com/topic/29289-usb-audio-cards-support-drivers-and-libs/ Good luck to me.
  7. john65537

    Android phones and USB DACs

    Quote:   I'm using Ainol's Hero 10" tablet, its little brother the 7" one is on the NOT working list, I also tried USBAudioRecorderPRO with no luck.   Though I've downloaded CyanogenMod 10.1 for my tablet, but the question is, can I fix this issue by a new CyanogenMod?   Since all...
  8. john65537

    Sennheiser HD 600 Impressions Thread

    Quote: well done. The final winner seems to be HD600, for comfort factors.
  9. john65537

    Android phones and USB DACs

    Hello DanBa, I was thinking about a CyanogenMod for my Android 4.1 tablet which was unable to use UsbAudioRecorderPro.   I found the "CyanogenMod 10.1 for Ainol Novo 10 Hero" which is promising. But I think maybe there's no need to do a full re-root, after all what I need is android's...
  10. john65537

    An idea for audiophile system

    I bought SRS-2170 and listened to them for 3 weeks. Very impressed. Its bass is not so light as many people said, maybe newer drivers have improved.   However, when I used headphones to watch the bass-heavy movies, like The Lord of the Rings, there were No sub-basses.   Although...
  11. john65537

    Sennheiser HD 600 Impressions Thread

    Quote:   Wow! Tyll Hertsens!! Just want to say, your review on Ultrasone Edition 10 is very cool. Really have a talent of acting.
  12. john65537

    Android phones and USB DACs

    Quote:   Very informative. It seems that at this moment what we android audiophiles can do are:   1. Beg Google to improve android's sound driver for next releases. Can you propose a vote on Google's "to be improve" list?   2. Buy USB DACs with old school chipsets like...
  13. john65537

    Sennheiser HD 600 Impressions Thread

    Quote:   I happen to have them both, and love them both.   To me HD600's performance is so elegant and soothing but somewhat colored, therefore is not so accurate as Dt880 in classical music.   However, after lstening for 2 or 3 hours, dt880 tend to be more fatiguing. Not a...
  14. john65537

    Android phones and USB DACs

    Hello DanBa, Thank you for all the information about Android USB DAC.   In a previous thread you mentioned "the Galaxy S3 with USB Audio Recorder PRO interworks with the FiiO E17 USB DAC/amp" ,  does this mean all the Android 4.X devices using USB Audio Recorder PRO can interwork with...
  15. john65537

    Android phones and USB DACs

    After some web surveys, I think PCM-2704 implementations work well with native Android 4. Most newer and higher USB chipsets seem to be incompatible.
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