Differences between version 4 and revision by previous author of LinuxAnsweringMachine.
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| Newer page: | version 4 | Last edited on Sunday, August 10, 2003 5:56:35 pm | by WikiAdmin | Revert |
| Older page: | version 3 | Last edited on Monday, March 3, 2003 9:31:08 pm | by JohnMcPherson | Revert |
@@ -9,9 +9,9 @@
I tried and failed to get it to work with a USRobotics Sportster 33 and a Dynalink modem, but got it working with a USRobotics "56k Voice Faxmodem".
! Audio Formats
-A bit of background on the audio file formats. __.pvf__ is an [Acronym] for __P__ortable __V__oice __F__ormat. It is an intermediate format used by mgetty-voice. You can convert (mono) __.wav__ (MS Wave) audio files using wavtopvf. You can then use pvftormd to convert from .pvf to the modem specific __.rmd__ format files. One caveat is that (at least for me) the audio needs to be mono and at 8000 Hz. So, I recorded a wave file of my answerphone message, and then converted it as follows:
+A bit of background on the audio file formats. __.pvf__ is an [WLUG:
Acronym] for __P__ortable __V__oice __F__ormat. It is an intermediate format used by mgetty-voice. You can convert (mono) __.wav__ (MS Wave) audio files using wavtopvf. You can then use pvftormd to convert from .pvf to the modem specific __.rmd__ format files. One caveat is that (at least for me) the audio needs to be mono and at 8000 Hz. So, I recorded a wave file of my answerphone message, and then converted it as follows:
# convert to mono (one channel), 8000Hz
sox recording.wav -c 1 -r 8000 greeting.wav
# convert to pvf (32 bits per sample is default)
