回答“Patch fix for blown speaker”Here's my take on this (from personal experience)... The speaker most likely isn't "blown", and they don't use paper cones... read on... The reason it's usually the TOP speaker that buzzes (in my case) is that it's the one at the bottom of my pocket when I carry it there (as most of us do). This puts that speaker right where most of the "gunk" sits in my pockets... and therefore that speaker is far more prone to gathering the loose stuff through its speaker grill. Since the speakers use very strong magnets (in order to produce loud sounds), they attract any tiny bits & pieces of ferrous metal... which get stuck to the speaker diaphram, and buzzes. (mine was so bad that I could not understand people at ALL when receiving phone calls... and gave up long ago on listening to music through the internal speakers) Here's what I did, and it seems to have worked... 1) Download an Audio Signal Generator app - I use "Audio Test Tone Generator". It allows you to output a pure tone through your speakers to determine if...
回答“Use of external mic thru audio jack”I realize this was an old topic, but for all those who find it these days... The 2013 Nexus 7 DOES INDEED support the 4-pole stereo headphone/microphone standard used by all modern Android devices. I verified it to be certain using my "Beats" mobile phone headset that came with my HTC One, and I get Stereo Audio, and the headset microphone over-rides the N7's internal microphones. Also... the pushbutton on the headphone cord also works... in music player it's a Pause, other apps may use it differently.