tag:blogger.com,1999:blog-4781727111866727703.post8149600276531532075..comments2024-03-18T22:54:30.699-07:00Comments on <em>Archimago's Musings</em>: Further Explorations into "Intersample Overs" - Resampling/Downsampling & De-Clip by Charles KingArchimagohttp://www.blogger.com/profile/08642574001287787545noreply@blogger.comBlogger17125tag:blogger.com,1999:blog-4781727111866727703.post-89872137195472885662021-03-31T03:23:07.363-07:002021-03-31T03:23:07.363-07:00Instead of that crazy number in decibels, use &quo...Instead of that crazy number in decibels, use "vol 0.5" directly. But if the volume adjustment is followed by resampling and dither, then there is nothing to be gained by shifting an exact number of bits.Jason Petersonhttps://www.blogger.com/profile/06906330245439296262noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-41044265664445860282020-12-16T04:22:37.417-08:002020-12-16T04:22:37.417-08:00I modified LMS so that volume control is done by S...I modified LMS so that volume control is done by SoX. The full workflow is<br />- Bit shift down (= ~6dB)<br />- Re-sample (in my case, to 110.6kHz which the natural rate of my DAC)<br />- Volume adjustment, taking into account the bit shift already done<br />- Dither added at 24 bits (in my case, the bit depth of my DAC chipset)<br /><br />By doing the bit shift before re-sampling I can avoid darrenyeatshttps://www.blogger.com/profile/03304955659739803170noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-34520703907622902922020-10-26T19:03:24.910-07:002020-10-26T19:03:24.910-07:00According to https://src.infinitewave.ca/, dBPower...According to https://src.infinitewave.ca/, dBPoweramp resampler looks great. <br /><br />If this is what is inbuilt into Foobar (in Foobar it's called "dBPoweramp/SSRC resampler", then the free Foobar player is all you need to perfectly upsample/downsample audio. fgkhttps://www.blogger.com/profile/09734672776625220548noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-68712078676485721892020-10-24T12:30:02.386-07:002020-10-24T12:30:02.386-07:00Hi Unknown,
Perhaps Charles can weigh in as well s...Hi <em>Unknown</em>,<br />Perhaps <em>Charles</em> can weigh in as well since this was part of his text.<br /><br />What I can say is that if you go into SRC Comparisons:<br />https://src.infinitewave.ca/<br /><br />If you have a look at the Audition test results, they definitely look excellent and function very close to the "ideal filter".<br />Archimagohttps://www.blogger.com/profile/08642574001287787545noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-64439195962121105352020-10-24T09:57:01.633-07:002020-10-24T09:57:01.633-07:00Hi Archi.
Adobe Audition: "which is rated as ...Hi Archi.<br />Adobe Audition: "which is rated as having one of the better resamplers"<br />Do you have any sources for this?<br />Better over which one?<br /><br />Cheers mate!Anonymoushttps://www.blogger.com/profile/16047731394297610523noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-41011544073956303392020-10-16T23:44:10.049-07:002020-10-16T23:44:10.049-07:00HD space may be cheap, but 30+ years of buying mus...HD space may be cheap, but 30+ years of buying music means my collection is rather large. Having spent a lot of time organising my collection and getting it all tagged correctly I’d be really annoyed if I had to recreate it from the sources. If I stored my library losslessly it would amount to over a terabyte, which would be really inconvenient to upload to an off-site backup given the asymmetricCharles Kinghttps://www.blogger.com/profile/09657251150380437112noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-67946707313640947862020-10-16T23:19:49.969-07:002020-10-16T23:19:49.969-07:00The DAC I use only has a wimpy 20 bits of dynamic ...The DAC I use only has a wimpy 20 bits of dynamic range and linearity, but then it only cost £33 (the TempoTec Sonata HD Pro). So yeah, you aren’t losing much if you don’t want to fork out for a really top-range DAC ;). I suppose this is the real benefit of the ‘HiRes’ spec-war that happened over the past couple of decades: we can now buy devices that have enough headroom to apply significant Charles Kinghttps://www.blogger.com/profile/09657251150380437112noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-26073373001383263212020-10-16T14:03:16.737-07:002020-10-16T14:03:16.737-07:00Hi Jim,
Can't speak to Sound Forge, but certai...Hi <em>Jim</em>,<br />Can't speak to Sound Forge, but certainly it's good to maintain as much of the resolution as possible although of course for recording, we just need to make sure not to clip.<br /><br />When we're doing audio editing at 24/32/even 64-bit resolution, the normalizing process would be completely transparent. Absolutely no reason to be concerned... If someone thinks Archimagohttps://www.blogger.com/profile/08642574001287787545noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-55955160963828338232020-10-16T13:41:41.039-07:002020-10-16T13:41:41.039-07:00Hi Vlad,
I'm pretty agnostic about lossy encod...Hi <em>Vlad</em>,<br />I'm pretty agnostic about lossy encoding as well ;-).<br /><br />Remember that this blog in 2013 started with a blind test of high bitrate ~320kbps MP3 vs. Lossless - results here:<br />http://archimago.blogspot.com/2013/02/high-bitrate-mp3-internet-blind-test_3422.html<br /><br />Basically, the data suggested people did not perceive the sound of MP3 to be inferior, in Archimagohttps://www.blogger.com/profile/08642574001287787545noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-40659087142614834952020-10-12T09:10:02.761-07:002020-10-12T09:10:02.761-07:00I have used Sony Sound Forge from version 10? and...I have used Sony Sound Forge from version 10? and now up to 14 now that they are owned by Magix. I have always found it easy to use, but have tempered what I think it can do by the price of generally $59 even with upgrades. I have not tried the Pro versions yet, but I may this year.<br /><br />My issues are that I have no idea how accurate the metering is in the software so always insure that IAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-91196755944793603882020-10-12T04:12:10.471-07:002020-10-12T04:12:10.471-07:00Hi Archimago
I am interested in your opinion about...Hi Archimago<br />I am interested in your opinion about the further release of space on HDD using conversion to AAC, because it is lossy digital audio compression.VladHVhttps://www.blogger.com/profile/08384845780030777808noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-13965552731178478252020-10-11T18:06:51.424-07:002020-10-11T18:06:51.424-07:00Hey Duck,
I actually think the "interest in h...Hey <em>Duck</em>,<br />I actually think the <em>"interest in hi-res files, such as SACD, DVD-A etc. is fast declining"</em> is actually a <em>good</em> thing because I hope it also means that audiophiles can refocus on what is really important rather than the minutiae that companies sometime prefer that we be distracted by (typically these distractions like Hi-Res and MQA are for Archimagohttps://www.blogger.com/profile/08642574001287787545noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-66580966639553472132020-10-11T15:39:45.140-07:002020-10-11T15:39:45.140-07:00BTW: Before someone picks this up ;-).
When it co...BTW: Before someone picks this up ;-).<br /><br />When it comes to Netflix streaming, obviously it's lossy so each stream could look different... Let's suppose there's no data rate limitation. Would the same error-free stream look different in Hong Kong as it would in New York City given the likelihood of the data servers located in different places (but with the exact same copy of Archimagohttps://www.blogger.com/profile/08642574001287787545noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-17096457894099134622020-10-11T15:16:05.002-07:002020-10-11T15:16:05.002-07:00Sure Unknown,
Let's talk about Cookie Marenco ...Sure <em>Unknown</em>,<br /><strong>Let's talk about Cookie Marenco and her claims:</strong><br /><br /><strong>1. Nothing I say is about the *quality* of the recordings she achieves.</strong> I've heard some demos and awhile back I got her <em>Blue Coast Collection</em> SACD which sounds great. Good for her for achieving some excellent results!<br /><br /><strong>2. Having said (1), I Archimagohttps://www.blogger.com/profile/08642574001287787545noreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-4112122866756132802020-10-11T02:26:00.763-07:002020-10-11T02:26:00.763-07:00Although I find this article by Charles highly int...Although I find this article by Charles highly interesting to read, I have to admit that my interest in hi-res files, such as SACD, DVD-A etc. is fast declining. That goes for upsampling too. I have tried to upsample some of the music I really like, but in the rare cases there's an audible benefit, it is so tiny that it isn't even worth the time doing it. An example of a bad hi-res file Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-75685353086640865482020-10-11T00:20:12.709-07:002020-10-11T00:20:12.709-07:00Hi Charles,
This article is a great example of &q...Hi Charles,<br /><br />This article is a great example of "when in doubt, try it yourself". No expensive hardware or software (free resamplers, players and plugins are widely available) is required for doing these experiments.<br /><br />As for the comment about ReplayGain and DNR of good DACs these days, some audiophiles often worry about "bit-perfectness" or losing DNR due Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-4781727111866727703.post-85258236928951233212020-10-11T00:15:48.720-07:002020-10-11T00:15:48.720-07:00Cookie Marenco claims that her conclusions result ...Cookie Marenco claims that her conclusions result from double blind listening tests, and they seem to be consistent over time and with multiple releases. Comment?Dannyhttps://www.blogger.com/profile/00895051757855940430noreply@blogger.com