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Bug #1076

独立麦克风输入(J2703)--无法录音

Added by 培旭 about 1 month ago. Updated 9 days ago.

Status:
New
Priority:
High
Assignee:
Category:
S.W
Start date:
07/17/2025
Due date:
% Done:

0%

Estimated time:
型号:
CPU:
产品:
扩展/功能板硬件版本:
核心板硬件版本:
02
底板/一体板硬件版本:
01
固件版本:
LZ180_Debian_20250808.img
系统:
Debian
内核版本:
Linux linaro-alip 6.1.118
无线网卡:
以太网模组:
EMMC颗粒:
-

Description

独立麦克风输入(J2703)--无法录音

root@linaro-alip:/home/linaro/Desktop# arecord -d 5 -f cd -t wav ./record.wav
arecord: main:831: audio open error: Host is down
root@linaro-alip:/home/linaro/Desktop# alsamixer
cannot open mixer: Host is down


Files

#1

Updated by 培旭 about 1 month ago

  • 系统 changed from Ubuntu to Debian
#2

Updated by 培旭 about 1 month ago

不可以录音;

#3

Updated by 培旭 9 days ago

  • 固件版本 changed from LZ180_Debian_20250723.img to LZ180_Debian_20250808.img
  • 内核版本 set to Linux linaro-alip 6.1.118

实际测试:
拔掉MIC测试配件,进行录音,会有一段刺耳的杂音;--静音录音
插入MIC测试配件,进行正常录音,还是会有类似一段刺耳的杂音;
把录音文件放到windows电脑上播放,还是刺耳的杂音;

故,有一个初步结论,MIC未录到音;需要进一步检查一下硬件和软件;

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