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- Path: news2.aimnet.com!usenet
- From: JNavas@NavasGrp.com (John Navas)
- Newsgroups: comp.dcom.modems
- Subject: Re: What is Voice over Data Modem ?
- Date: Mon, 01 Jan 1996 17:34:02 GMT
- Organization: The Navas Group of Dublin, CA, USA
- Message-ID: <4c95rk$gkp@news2.aimnet.com>
- References: <30dbe928.941469@news.iohk.com> <951231.122317.5l9.rnr.w165w@zswamp.UUCP>
- NNTP-Posting-Host: dial-bp1-23.iway.aimnet.com
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-
- [Posted to comp.dcom.modems]
- geoff@zswamp.UUCP (Geoffrey Welsh) wrote:
-
- >wyau@iohk.com (wyau) writes:
-
- >> I am considering have the following set up at both ends and connected
- >> via Internet. One through an ISP in HK and the other end through an
- >> ISP in Thailand.
- >>
- >> 486 DX 100
- >> 16M RAM
- >> Full Duplex sound card
- >> 28.8K Voice over Data modem
- >> Windows environment
- >> CuSeeMe/Vidcall alike video conferencing software.
- >>
- >> Can this be done? Or, voice can over data via direct modem dial up?
- >> What will be the sound quality compare to regular phone?
-
- >I would think that voice over date *requires* a direct dialup; the ISPs'
- >modems won't know what to do with the voice info.
-
- >Normal audio phone connections are digitized at up to 64 kbps. With voice
- >over data you'll be getting up to - but most likely less than - the modem's
- >maximum bit rate (in this case, 28.8). How do you think the sound quality
- >will compare?
-
-
- It all depends on sound data compression effectiveness. With sufficient
- horsepower, you can send near FM-quality audio over a 28.8 modem connection
- (e.g., RealAudio 2.0).
-
- --
- Best regards,
- John mailto:JNavas@NavasGrp.com http://web.aimnet.com/~jnavas/
- 28800 Modem FAQ: http://web.aimnet.com/~jnavas/modem/faq.html
-
-