bjrmd - Senior Member - United States - XDA Forums
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  • About bjrmd
    Service provider
    U.S.A. - Project Fi
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    United States


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  • Last Activity: Today 02:08 AM
  • Last Login: 1st January 1970 01:00 AM
  • Join Date: 13th February 2006
  • Referrals: 0

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Post Summary
Project Purposes: Optimize sound quality of snapdragon audio codec devices when played through the headset port at moderate to low volumes, especially using low impedance, high sensitivity in ear monitors. The optimization will mainly affect sign...
Edit: I updated the measurements and comments Edit: Tested the HTC dongle Edit: There appears to be 3 (at least) "modes" that the Google dongle will do. Depending on the impedance of the headset/line out device attached, the output voltage var...
Sorry to rain on the parade but chdloc and I looked at this over a year ago and according to objective scope testing it does not alter anything measurable (THD, noise floor, crosstalk etc). I still ran it on my Note 4 using a simple script line j...
Using the same audio sample that chdloc created, I looked at the effects of highperf vs normal on the Note 4. The Note 4 was set for an analog gain of 4, digital RX of 0 dB and android vol 15, player was Google music, into a laptop on battery usin...
Purpose: To reduce the distortion and better control the audio DAC of the Pixel 2 XL. Introduction: The new Pixel 2 differs from the original Pixel in a major way. The lack of a headset jack offloads the headset out capability to a USB Dac in t...