Just tested, the voice recorded is OK. But there is some difference between 19.04 and 18.04, after installing 18.04, the aplay/arecord default device pulseaudio, while after installing the 19.04, the aplay/arecord default device is hw sound card.
Please install 19.04 to a different machine (not x1 carbon), let us see if the default device will change to pulseaudio or not. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1824103 Title: The vioce which recored by Internal microphone gets noisy Status in linux package in Ubuntu: Incomplete Bug description: Test machine: ThinkPad X1 Carbon Image: Ubuntu Disco 19.04 CPU: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz (family: 0x6, model: 0x8e, stepping: 0xa) GPU: Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller]) BIOS: N23ET55W (1.30 ) Steps: 1. Install image 19.04 2. Login as default user 3. Open a terminal and type "$ arecord test.wav" 4. Say something and let laptop recorded your words 5. Cancel the record, please press 'Ctrl + C' 6. Please type "$ aplay test.wav" in terminal 7. Verify the quality of the voice. Expected result: The voice played smoothly. Actual result: The voice is noisy and fuzz. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1824103/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
