Gstreamer：是否有插件可以增加音频源的音量

Question

As above. Want to artificially increase the loudness of a microphone recording of live scene. Have used the following plugins volume

 pulsesrc volume=8.0 \
    ! audioconvert \
    ! audioresample \
    ! volume volume=1.0 \
    ! audio/x-raw,rate=8000,channels=1,depth=8,format=S16LE \
    ! filesink location=record.wav

Have also tried audioamplify but seem like both have the raw recorded volume as the upper limit in loudness

Thanks for your help

Answer 1

The volume property of the volume element has a range from 0.0 to 10.0 while 1.0 represents 100% volume.