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From: fireup on 28 May 2010 06:04 on Motorola A3100 the latency even reaches 900ms! have you figure out any solution? Thanks! Scewbede wrote: waveInStart delay 23-Oct-08 I'm using the waveInStart method to record sound from the microphone on a mobile device. Everything works like a charm except the annoying fact that the first 300+ ms of the recording is silence. This makes it impossible to make a quick (<300ms) estimation of the surrounding noise level, since during that period no recording is made. And to calculate a *real* average noise level I must always ignore the first 300+ ms and start the calculation with the first non-silent (!128) buffer contents. Am I doing something wrong, or is this a known problem? (BTW - I'm using a HTC Touch Diamond device) Previous Posts In This Thread: On Thursday, October 23, 2008 4:44 PM Scewbede wrote: waveInStart delay I'm using the waveInStart method to record sound from the microphone on a mobile device. Everything works like a charm except the annoying fact that the first 300+ ms of the recording is silence. This makes it impossible to make a quick (<300ms) estimation of the surrounding noise level, since during that period no recording is made. And to calculate a *real* average noise level I must always ignore the first 300+ ms and start the calculation with the first non-silent (!128) buffer contents. Am I doing something wrong, or is this a known problem? (BTW - I'm using a HTC Touch Diamond device) Submitted via EggHeadCafe - Software Developer Portal of Choice Server Side Processing in ADO.NET/WCF Data Services http://www.eggheadcafe.com/tutorials/aspnet/db179aed-47fa-4f86-a4bf-4f6f92a76585/server-side-processing-in.aspx
From: NeilH on 28 May 2010 09:05
Why are to replying to a thread that is well over a year old? <fireup> wrote in message news:20105286438idforbbs(a)gmail.com... > on Motorola A3100 the latency even reaches 900ms! have you figure out any solution? Thanks! > > > > Scewbede wrote: > > waveInStart delay > 23-Oct-08 > > I'm using the waveInStart method to record sound from the microphone on a > mobile device. Everything works like a charm except the annoying fact that > the first 300+ ms of the recording is silence. > > This makes it impossible to make a quick (<300ms) estimation of the > surrounding noise level, since during that period no recording is made. And > to calculate a *real* average noise level I must always ignore the first 300+ > ms and start the calculation with the first non-silent (!128) buffer contents. > > Am I doing something wrong, or is this a known problem? > (BTW - I'm using a HTC Touch Diamond device) > > Previous Posts In This Thread: > > On Thursday, October 23, 2008 4:44 PM > Scewbede wrote: > > waveInStart delay > I'm using the waveInStart method to record sound from the microphone on a > mobile device. Everything works like a charm except the annoying fact that > the first 300+ ms of the recording is silence. > > This makes it impossible to make a quick (<300ms) estimation of the > surrounding noise level, since during that period no recording is made. And > to calculate a *real* average noise level I must always ignore the first 300+ > ms and start the calculation with the first non-silent (!128) buffer contents. > > Am I doing something wrong, or is this a known problem? > (BTW - I'm using a HTC Touch Diamond device) > > > Submitted via EggHeadCafe - Software Developer Portal of Choice > Server Side Processing in ADO.NET/WCF Data Services > http://www.eggheadcafe.com/tutorials/aspnet/db179aed-47fa-4f86-a4bf-4f6f92a76585/server-side-processing-in.aspx |