Synthesize DC

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Synthesize DC

Jeffrey Barish
How do I synthesize a sound file containing DC of a given amplitude?  I see that GstAudioTestSrcWave has GST_AUDIO_TEST_SRC_WAVE_SILENCE as an option, but I don't see whether it is possible to adjust the DC value of the silence.  Basically, I am looking for a gst-launch command.  Thanks.
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Jeffrey Barish
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