ADC without pre-ringing

jzagaja · 26th June 2007, 10:05 AM

Do you know AD/DA audio converters with aliasing filters without ANY pre ringing and very short post ringing?

jzagaja · 26th June 2007, 12:48 PM

Or propose a method of measuring impulse response of CD player or any ADC.

jzagaja · 26th June 2007, 01:01 PM

For example Sony CDP-XA 50ES filter "3A" is of the mentioned type.

jzagaja · 3rd July 2007, 08:22 AM

Pre ringing can be suppressed by convolution using apodization filter which should be the last filter after AD/DA. Other possibility is Williams or any kind of minimum phase non symmetrical filter but it works best on higher oversampling or sampling rate.

26th June 2007, 10:05 AM	#1
jzagaja diyAudio Member Join Date: Jun 2004 Location: Szczecin	ADC without pre-ringing Do you know AD/DA audio converters with aliasing filters without ANY pre ringing and very short post ringing?

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26th June 2007, 12:48 PM	#2
jzagaja diyAudio Member Join Date: Jun 2004 Location: Szczecin	Or propose a method of measuring impulse response of CD player or any ADC.

26th June 2007, 01:01 PM	#3
jzagaja diyAudio Member Join Date: Jun 2004 Location: Szczecin	For example Sony CDP-XA 50ES filter "3A" is of the mentioned type.

3rd July 2007, 08:22 AM	#4
jzagaja diyAudio Member Join Date: Jun 2004 Location: Szczecin	Pre ringing can be suppressed by convolution using apodization filter which should be the last filter after AD/DA. Other possibility is Williams or any kind of minimum phase non symmetrical filter but it works best on higher oversampling or sampling rate.