Gst Launch Audiotestsrc | Audio-Digital.net

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audiotestsrc - GStreamer

https://gstreamer.freedesktop.org/documentation/audiotestsrc/index.html

audiotestsrc AudioTestSrc can be used to generate basic audio signals. It support several different waveforms and allows to set the base frequency and volume. Some waveforms might use additional properties. Waveform specific notes: Gaussian white noise This waveform produces white (zero mean) Gaussian noise.

audiotestsrc - Massachusetts Institute of Technology

https://stuff.mit.edu/afs/athena/system/amd64_deb50/os/usr/share/gtk-doc/html/gst-plugins-base-plugins-0.10/gst-plugins-base-plugins-audiotestsrc.html

AudioTestSrc can be used to generate basic audio signals. different waveforms and allows to set the base frequency and volume. Example launch line gst-launch audiotestsrc ! audioconvert ! alsasink This pipeline produces a sine with default frequency, 440 Hz, and the default volume, 0.8 (relative to a maximum 1.0).

gst-launch-1.0 - GStreamer

https://gstreamer.freedesktop.org/documentation/tools/gst-launch.html

Using gst-inspect-1.0, it is possible to discover settings like the above for "cdparanoiasrc" that will tell it to rip the entire CD or only tracks of it. Alternatively, you can use an URI and gst-launch-1.0 will find an element (such as cdparanoia) that supports that protocol for you, e.g.:

audiotestsrc - freedesktop.org

https://www.freedesktop.org/software/gstreamer-sdk/data/docs/2012.5/gst-plugins-base-plugins-0.10/gst-plugins-base-plugins-audiotestsrc.html

Description AudioTestSrc can be used to generate basic audio signals. It support several different waveforms and allows to set the base frequency and volume. Example launch line 1 gst-launch audiotestsrc ! audioconvert ! alsasink This pipeline produces a sine with default frequency, 440 Hz, and the default volume, 0.8 (relative to a maximum 1.0). 1

audioconvert - GStreamer

https://gstreamer.freedesktop.org/documentation/audioconvert/index.html

gst-launch-1.0 -v -m audiotestsrc ! audioconvert ! audio/x-raw,format=S8,channels=2 ! level ! fakesink silent=TRUE This pipeline converts audio to 8-bit. the output levels still match the one for a sine wave. gst-launch-1.0 -v -m uridecodebin uri=file:///path/to/audio.flac ! audioconvert ! vorbisenc ! oggmux ! filesink location=audio.ogg

Now you know Gst Launch Audiotestsrc