Hi, > The question about transcoding, if you are going to PSTN via a hardware > interface, then you might want to store your audio in alaw or ulaw > format,
It is possible to use Voicemail prompts in alaw or ulaw format? Thanks, Dan ----- Original Message ----- From: "Steven Critchfield" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, July 14, 2003 6:10 PM Subject: RE: [Asterisk-Users] .gsm voice format > On Mon, 2003-07-14 at 09:47, Scott Stingel wrote: > > Ok, thanks. > > > > I should have asked this in the first place: what I'm really getting at is > > that I need to record (or convert) prompts in many languages. I have a > > number of Windows based tools to do this. I want to end up with prompts > > that asterisk can play with the least CPU effort, ie. without transcoding. > > Would this be the gsm format? If so, it sounds like I should record in Wav > > format, 8-bit samples? How to convert to gsm? > > First learn sox, it will save you a lot of time dealing with format > conversions. Next record at 8bit 8k so that what you hear on the > speakers is the same as what will go out to the phone. Then realize that > if you record via PCM and let sox convert to whatever you like, you will > be well off. > > The question about transcoding, if you are going to PSTN via a hardware > interface, then you might want to store your audio in alaw or ulaw > format, if it is VoIP then whatever codec you might use there, or again > alaw/ulaw so it is a one hop conversion. > -- > Steven Critchfield <[EMAIL PROTECTED]> > > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-users > > _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users
