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10 changes: 7 additions & 3 deletions aplay/aplay.1
Original file line number Diff line number Diff line change
Expand Up @@ -75,10 +75,14 @@ Valid values are 2000 through 192000 Hertz.
\fI\-d, \-\-duration=#\fP
Interrupt after # seconds.
A value of zero means infinity.
The default is zero, so if this option is omitted then the arecord process will run until it is killed.
The default is zero, so if this option is omitted then the record/playback process will run until it is killed.
Either '-d' or '-s' option is available exclusively.
.TP
\fI\-s, \-\-sleep\-min=#\fP
Min ticks to sleep. The default is not to sleep.
\fI\-s, \-\-samples=#\fP
Interrupt after tranmission of # PCM frames.
A value of zero means infinity.
The default is zero, so if this options is omitted then the record/playback process will run until it is killed.
Either '-d' or '-s' option is available exclusively.
.TP
\fI\-M, \-\-mmap\fP
Use memory\-mapped (mmap) I/O mode for the audio stream.
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