&nbsp; when it starts, ends, pauses, and resumes.&nbsp; NXRecordStream and NXPlayStream augment this collection with record- and playback-specific notification methods.</font>

<p><br><br>

<p><font face="Helvetica"><b>Sound Stream Errors</b></font>

<p><font face="Times">Most of NXSoundStream's methods communicate with the sound driver; many of these return NXSoundDeviceError error codes, which enumerate the situations that can thwart this communication.&nbsp; The NXSoundDeviceError codes are listed in NXS