Hello , I am Oh ji woo. This is Report for bug, while using ffmpeg tool. I am using ffmpeg tool for test Audio Implicit Signaling Option. While I am testing, Audio Channel 1~3 is working well. But, Audio Channel 4 ~ more is not working. ## ffmpeg version ./ffmpeg.exe -version ffmpeg version N-111004-g4893cbcaba-gb1c3d81e71+12 Copyright (c) 2000-2023 the FFmpeg developers built with gcc 13.1.0 (Rev6, Built by MSYS2 project) ## below is ffmpeg command that I used ``` ./ffmpeg.exe -re -i shark.mp4 -c:v copy -c:a libfdk_aac -profile:a aac_he -signaling implicit -ac 4 -f flv rtmp://{IP_ADDRESS}/app/{YOUR_STREAM_KEY} ``` Attached file is log file for error. Could you check this issue ? Thank you for reading.