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a1...@gmail.com
If that's not the case and I change the microphone source, it would affect the sound quality as well.
Edit: Probably on the Mac program `Audio MIDI Setup` the sound source format is changed to a lower bitrate
ml...@google.com
a1...@gmail.com
I've tried the Audio MIDI Setup program, but it doesn't show any changes for my headphones that are bluetooth connected with a USB dongle.
a1...@gmail.com
Hi, as the emulator continuously uses the microphone, Bluetooth headset quality will be degraded due to there being not enough bluetooth bandwidth to have both hi quality output and input. We can consider having a dynamic switch for this, but adding this will take some time.
co...@sim.org
I don't think that is what is happening. For me, when the emulator launches, it changes the macOS input device from the internal speaker to my headphones which switches the bt profile to a2dp.
As a temporary workaround, I set hw.audioInput=no in my avd config.ini and it seemed to help.
bo...@google.com
ya...@google.com
+1 with "not enough bluetooth bandwidth" not being the issue. Connecting the headphones after the emulator has started up has no issues.
a1...@gmail.com
mr...@gmail.com
ya...@google.com
a1...@gmail.com
ap...@rtwsa.com
ya...@google.com
ya...@google.com
Which is almost a year old, guys!
a1...@gmail.com
As a temporary workaround,
ya...@google.com
config.ini do the fix, thanks!
source: #5 comment
- Device manager -> virtual device dropdown menu -> Show on Disk
- open config.ini and add this line: hw.audioInput=no
ya...@google.com
config.ini changes don't seem to work for me - tried on various emulators with API level 31+. Both freshly installed emulators and existing ones.
de...@google.com
vk...@google.com
Hi. I am sorry for the issues around sound quality. I am working on a new sound card, this bug will be the next issue I will be working on.
de...@google.com
um...@gmail.com
I was able to repro this with bluetooth headphones, it does not repro with laptop speakers somehow. It happens very early, even before the kernel is loaded.
ya...@google.com
Bluetooth audio devices switch operating modes when used as: a) Speaker only (simplex, only supports audio out and up to stereo 48KHz sampling rate) b) Speakers + Microphone (duplex, supports both mono audio in and out at 8 or 16 Khz sampling rate)
Devices are usually by default in mode a, as soon as a sw opens the the microphone they switch to mode b and therefore any audio being reproduced suddenly jumps from 48 to 16khz and the quality gap can be clearly heard. Some drivers even have different volume settings between the 2 modes and when switching mode the volume can suddenly jump up or down.
This is why you can't repro with built in laptop speakers: their sound card is not a bluetooth device and hence doesn't have this peculiar behavior.
Description
STEPS TO REPRODUCE:
1. Setup an AVD with API >30, arm64-v8a (Google APIs). In my case, I used Pixel 4a as the device (since that's what I have).
2. Start the emulator
API 30 works.
API 28 also works.
I assumed this was a temporary issue with API 31... but the issue persists with API 32 which makes testing things difficult without using my actual phone.
ATTACH SCREENSHOTS/RECORDINGS OF THE ISSUE
There's nothing to see, just the "Google" splash screen.
ATTACH LOG FILES (Select Help > Show Log in Files, or Show Log in Finder on a Mac)
Emulator bug report thing doesn't work (because the system hasn't come up?), but I captured a logcat showing something crashing over and over again.
Android Studio Chipmunk | 2021.2.1 Patch 2
Build #AI-212.5712.43.2112.8815526, built on July 11, 2022
Runtime version: 11.0.12+0-b1504.28-7817840 aarch64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
macOS 12.5.1
GC: G1 Young Generation, G1 Old Generation
Memory: 2048M
Cores: 8
Registry: external.system.auto.import.disabled=true
Non-Bundled Plugins: org.jetbrains.kotlin (212-1.7.10-release-333-AS5457.46)
Android Emulator 31.3.10 (installed by Android Studio)
MacBook Pro (14-inch, 2021)
macOS Monterey 12.5.1
M1 Pro CPU
16GB RAM