search for: 3200hz

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2009 Jan 07
3
how to fix high freq noise?
Hi Masakazu, I have reproduced the Speex high frequency noise issue on a Blackfin 537 by sending 'silence' into the Speex fixed point encoder. By recording the Speex decoder output and plotting the spectrum using Audacity the following two frequencies. 1596Hz at -31.3dB 3200Hz at -48dB These two frequencies are present in both Narrow Band and Wide Band modes. I've tried a number of different configurations and these two frequencies are always present (quality set to 10 or default, the complexity set to default, perceptual enhancement turned on or off). I have no...
2009 Jan 08
2
how to fix high freq noise?
...peex high frequency noise issue on a Blackfin 537 >> by sending 'silence' into the Speex fixed point encoder. By recording >> the Speex decoder output and plotting the spectrum using Audacity the >> following two frequencies. >> >> 1596Hz at -31.3dB >> 3200Hz at -48dB >> >> These two frequencies are present in both Narrow Band and Wide Band >> modes. I've tried a number of different configurations and these two >> frequencies are always present (quality set to 10 or default, the >> complexity set to default, perceptu...