Regular WAV at ~CD rate is limited to about 5 hours because the length encoding fields are 32 bit. You need to generate an extended WAV with the WAVEFORMATEXTENSIBLE struct that allows a 16 exabyte data chunk. I'm a little surprised sox doesn't do that by default. Monty _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user