For reference, I attach the two outputs: ( curl https://storage.googleapis.com/maika-ai-ext/test/dataproc.wav \ && sleep 0 | oggenc -o sleep-0-oggenc.ogg ( curl https://storage.googleapis.com/maika-ai-ext/test/dataproc.wav \ && sleep 4 | oggenc -o sleep-4-oggenc.ogg Listening to both, I hear exactly the same. Jan