Re: [LAD] Xiph.org - Video:Digital Show and Tell - No difference between analog and digitally processed sound.

2013-05-23 Thread Jörn Nettingsmeier
hi john, On 05/22/2013 09:44 PM, John Rigg wrote: On Wed, May 22, 2013 at 10:38:37AM -0400, Bill Gribble wrote: There are real effects due to clock jitter on both the A/D and D/A end that can cause small but measurable distortions. Not to mention audible if it's severe enough. Decimation filt

Re: [LAD] Xiph.org - Video:Digital Show and Tell

2013-05-23 Thread Frank Smith
Hi All Found this to be very well explained and a really good effort. Takes real skill to be able to explain quite complicated science so well. Many thanks Cheers Bob ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linu

Re: [LAD] Xiph.org - Video:Digital Show and Tell - No difference between analog and digitally processed sound.

2013-05-23 Thread John Rigg
On Thu, May 23, 2013 at 09:38:40AM +0200, Jörn Nettingsmeier wrote: > On 05/22/2013 09:44 PM, John Rigg wrote: > >Decimation filters > >that only give 6 or 12dB attenuation at fs/2 (typical in many pro > >audio ADC chips) can allow audible aliasing too. > > this comment raised my eyebrows a little

Re: [LAD] Xiph.org - Video:Digital Show and Tell - No difference between analog and digitally processed sound.

2013-05-23 Thread Fons Adriaensen
On Thu, May 23, 2013 at 09:38:40AM +0200, Jörn Nettingsmeier wrote: > moreover, i'd expect src circuits with only -12dB at fs/s to be > unusable in practise, because the aliasing artefacts would be > obvious. it means the top octave from 10-20hkz would be polluted > with junk at -24 to -12dB, It

Re: [LAD] Xiph.org - Video:Digital Show and Tell - No difference between analog and digitally processed sound.

2013-05-23 Thread John Rigg
On Thu, May 23, 2013 at 12:18:25PM +, Fons Adriaensen wrote: > Take a filter for a 48 kHz DAC. It could be -0.5 dB at 23 kHz, > -12 dB at 24 kHz, and -100 dB at 25 kHz. Any aliasing will be > either above 23 kHz or below -100 dB, probably harmless. > Given the passband and stopband constraints

[LAD] [ann] liblo 0.27 released

2013-05-23 Thread Stephen Sinclair
We are pleased to present stable release 0.27 of LibLo, the lightweight, easy to use implementation of the Open Sound Control protocol. Open Sound Control (OSC) is a protocol for communication among computers, sound synthesizers, and other multimedia devices that is designed for use over modern ne

Re: [LAD] [ann] liblo 0.27 released

2013-05-23 Thread Felix Homann
Thank you very much! ___ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org http://lists.linuxaudio.org/listinfo/linux-audio-dev

Re: [LAD] [ann] liblo 0.27 released

2013-05-23 Thread Stephen Sinclair
Apologies, I just noticed that I forgot to include github user "ventosus" in the list of contributors. I don't know his name, but he contributed significantly to the bundle-related code. Steve On Thu, May 23, 2013 at 11:37 AM, Stephen Sinclair wrote: > We are pleased to present stable release 0.