From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Courtier-Dutton Subject: Re: problem with MU -LAW Date: Tue, 01 Jul 2003 13:50:48 +0100 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: <3F0183A8.3070906@superbug.demon.co.uk> References: <20030701032432.30106.qmail@webmail26.rediffmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20030701032432.30106.qmail@webmail26.rediffmail.com> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: mahendra sp Cc: alsa-user-request@lists.sourceforge, alsa-devel@lists.sourceforge.net, tiwai@suse.de List-Id: alsa-devel@alsa-project.org mahendra sp wrote: > > hi, alsa people, > > I have wriiten the application which realises full duplex.But there is > playback buffer underrun proble. The buffer tries to read the value but > -ve value. After writink the -ve value for some timesay 3 minutes, it > becomes alright. again after some time buffer under run occurs. whts > the problem . how to over come it. is it dependednt on periodsize and > buffersize? > > and also i want to implement G711. does it happen automatically by > using snd_pcm_format_mulaw? if not how to do it? > > thanks, regards, > mahendra > ___________________________________________________ G.711 uses two audio formats. A-Law (Europe), and mu-Law(USA). So, if one talks about A-Law and mu-Law, one is talking about G.711 Cheers James ------------------------------------------------------- This SF.Net email sponsored by: Free pre-built ASP.NET sites including Data Reports, E-commerce, Portals, and Forums are available now. Download today and enter to win an XBOX or Visual Studio .NET. http://aspnet.click-url.com/go/psa00100006ave/direct;at.asp_061203_01/01