shithub: sox

--- a/sox.1

+++ b/sox.1

@@ -978,9 +978,13 @@

 Ensoniq PARIS file format (big and little-endian respectively).

.TP

 .B .prc

-Psion Record. Used in some Psion devices for System alarms and

-recordings made by the built-in Record application. This format is

-newer then the .wve format that is also used in some Psion devices.

+Psion Record. Used in Psion EPOC PDAs (Series 5, Revo and similar) for

+System alarms and recordings made by the built-in Record application.

+When writing, SoX defaults to A-law, which is recommended; if you must

+use ADPCM, then use the \fB\-i\fR switch. The sound quality is poor

+because Psion Record seems to insist on frames of 800 samples or

+fewer, so that the ADPCM CODEC has to be reset at every 800 frames,

+which causes the sound to glitch every tenth of a second.

.TP

 .B .pvf (libsndfile)

 Portable Voice Format.

@@ -1103,7 +1107,7 @@

 option with the output file options.

.TP

 .B .wve

-Psion 8-bit A-law.  Used on older Psion PDAs.

+Psion 8-bit A-law.  Used on Psion SIBO PDAs (Series 3 and similar).

.TP

 .B .xa

 Maxis XA files.