old.hikari3.ch will be permanantly shut down soon

>>13443 thereby because i suffer from a susceptibility to possession/evil spirit influence at times despite the richness i perceive in my own soul i do not really have access to yet because i am debilitated physically by many spiritual/mental things. this causes me to experience things mentally like being strangled or having a hostile voice or figure in my mind do something violent to me and my sentence is then cut off by a strange bout of me choking up/coughing and such. at least i am not particularly violent so i do not commit much crime but i do, as mentioned afore, have a high suggestibility regarding lewd behavior it seems

>>13443 What the fuck Friend you must being forth your spirit power And defeat evil I wonder what that one anon is like outside of this site new?

>>13446 fighting hikarin how do i defeat the evil inside myself? the evil within my heart?

>>13460 FIGHT! And never give evil an inch

>>13460 righteousness is greater than you and the one who has always been righteous is God (who is also Jesus because God's spirit inhabits His body)

SYRNO YOU LAZY FUCK

>>13450 True.

Nothing ever happens.

>>13452 countdown has horizontal asymptote at y=0

>>13264 are we gonna get hikari4?

>>13399 don't worry hikarin, I molested him in your stead

>>13412 so you molested him

>tfw no one wants to molest you because you're too ugly

>>13417 don't give up hikarin

Never give up and never lie to yourself.

>>13403 literally though, I kinda wanna experience getting emails from friends, sounds kinda cool

>>13418 just drop your fakemail here then????????????

>>13420 bigPENISisbackintown@yahoo.com

that's one hell of a mail

Astolfo found you as the only one left to give a monster drink.

You should switch to swedish snus if you already smoke tobacco. I do smoke weed however, it connects me with satan.

I was thinking of pasturizing tobacco for chewing, raw it's nasty

>>12506 i heard normaling is bad for your health too

>>12461 There are too many things that can lead to you being “cooked.” Why is everyone so upset about the passion for smoking and alcoholism? In the end, we will all be rotten‑toothed and wrinkled, depending on various circumstances. Take, for example, the addiction to sugar

I don't like smoking, but I have tried it.

hikarin license

I have had my license for a year but I don't think I drove more than 100~ hours (chronically unemployed)

>>11634 Gas costs less than bottled water in america, even during a global crisis

>>13428 license to hikarin

>>11355 I have a license but almost never use it. I drive a car about once a year

>>13427 how did you get past the handholding filter?

>>13429

Is it related to whats happening on the 15th?

>>13436 What's on the 15th?

This guy forgot wow

>>13402 Looks like you took them fr so I will take a reasonable risk of getting geoguessed

>>13404 fell for the trap! Dox him!

>>13404 I did take all of these myself yes. I will poast some moar as well. Nice pics!

>>13408

(continued from previous post) Anyway, onto the main topic of this post, which is what I just noticed about the figure in Bonada's thesis (which was in turn copied from "Improvements to a Sample-Concatenation Based Singing Voice Synthesizer"), picrel. At the top, we see the original spectrum and its harmonic envelope. In the middle plot, we see an intermediate visualization of peaks after being moved, but before equalization. Notably, there now exists one discontinuity due to one peak being used twice. In the bottom plot, we see the rendered spectrum after equalization. Notably, there is still only one discontinuity in the spectrum. The proposed technique eliminates gaps in the spectrum, but not discontinuities, because the SPP algorithm, as described, regardless of the rendering variant, scales all the bins in each region, which would produce a discontinuity at the boundary between regions. Instead, in the bottom figure, the amount of scaling appears to vary non-linearly, such that it is continuous. This is especially apparent since the figure shows a dotted line representing the spectrum before equalization. You could say that this is just how the figure was drawn, however it is highly consistent across the whole figure; furthermore, it is consistent with other papers and the descriptions in some of the patents seem to suggest that the amplitude discontinuities may be solved. Based on this, I have a hypothesis on how the non-uniform amplitude scaling may have been implemented. The process would be to create a first envelope of the harmonic peaks before transformation; create a second envelope of the harmonic peaks after frequency shifting, but before equalization; and finally scale each bin based on the ration of the first envelope to the second envelope. Although I have not tested it, looking at the figure visually, the proposed procedure would seem to match very closely, assuming a smoothing interpolation. Furthermore, it may also explain why the intermediate stage that shows the spectrum after shifting, but before equalization, is explicitly shown. Such a thing is not actually created by the SPP algorithm as described, but it does make sense to show for the proposed non-uniform amplitude scaling. Finally, in theory, this procedure would not produce any additional amplitude discontinuities, further consistent with the figure. I will implement this idea as a variant in my existing SPP algorithm, which has already been implemented such that multiple variants (and combinations thereof) can exist in the same procedure (using preprocessor flags). Furthermore, I will consider the possibility that the same procedure is also used for the unwrapped phase envelope.

So you may know that I have been working on this project to attempt to recreate the VOCALOID2 synthesis engine. Well I have a major update. So yesterday I was talking about the SPP variant. As I said, I already had an SPP implementation. But it only implemented the basic approach, and only had a few configurable options. Also, I never actually tested it. So last night I had big trouble sleeping, so I only got about 3.5 hours of sleep. Nonetheless, for most of the day, I have been working on implementing every conceivable SPP variation. Actually, I basically wrote if from scratch. So in total I've written about 1,000 lines of codes. Actually, this new version only has pitch transposition, and no longer implements time scaling, timbre scaling and equalization. While this sounds like a bad thing, it's actually good. I want to isolate the basic algorithm first and make that as close as possible to VOCALOID2. The interaction with those other transforms adds additional uncertainty and complexity, so I have skipped on them for now. The code still some stuff to be done, and certainly could use refactoring (although arguably I should wait until after I am sure exactly what is used before doing so, so I can collapse the code first). It's basically this insane hellscape of preprocessor directives that let me control every variation of the algorithm I could think of. Anyway, after fixing a few compile errors and outright crashes/NaN explosions, it actually worked first try. I loaded a database sample from the VOCALOID2 database and fed it in, and the whole pipeline actually worked first try. The sample used was a stationary, but for actual comparison, I will probably use an articulation instead. This is because some patents suggest a special type of whole-sample spectral concatenation interpolation that applies to stationarys. Here is my prototype type code: http://up.heyaoi.net/src/6335.c And here are the configuration parameters I used: #define TEST_SPP_WINDOW_TYPE SPP_WINDOW_2048 #define TEST_PITCH_TRANSPOSITION_TYPE PITCH_TRANSPOSITION_SCALE #define TEST_SPP_USE_PHASE_DISCONTINUITY_HYSTERESIS SPP_USE_PHASE_DISCONTINUITY_HYSTERESIS_NO // Until it's fully implemented #define TEST_SPP_INTERPOLATION_TYPE SPP_INTERPOLATION_SPLINE #define TEST_SPP_INTERPOLATION_TYPE2 SPP_INTERPOLATION2_POLAR #define TEST_SPP_INTERPOLATION_TYPE3 SPP_INTERPOLATION3_PHASE_UNWRAPPED #define TEST_SPP_INTERPOLATION_TYPE4 SPP_INTERPOLATION4_LOGARITHMIC #define TEST_SPP_PHASE_PROPGATION_TIME SPP_PHASE_PROPGATION_TIME_AFTER #define TEST_SPP_PHASE_PROPGATION_METHOD SPP_PHASE_PROPGATION_METHOD_LINEAR #define TEST_SPP_HARMONIC_AMPLITUDE_ENVELOPE_INTERPOLATION_TYPE SPP_HARMONIC_AMPLITUDE_ENVELOPE_INTERPOLATION_SPLINE #define TEST_SPP_HARMONIC_PHASE_ENVELOPE_INTERPOLATION_TYPE SPP_HARMONIC_PHASE_ENVELOPE_INTERPOLATION_SPLINE #define TEST_SPP_PEAK_PICKING_METHOD SPP_PEAK_PICKING_BONADA2008 #define TEST_SPP_SYNTHESIS_HARMONIC_DISTRIBUTION SPP_SYNTHESIS_HARMONIC_DISTRIBUTION_IDEAL #define TEST_SPP_ANALYSIS_HARMONIC_DISTRIBUTION SPP_ANALYSIS_HARMONIC_DISTRIBUTION_IDEAL #define TEST_SPP_PEAK_PICKING_CLOSEST_TYPE SPP_PEAK_PICKING_CLOSEST_ROUND #define TEST_SPP_REGION_DELIMITATION_METHOD SPP_REGION_DELIMITATION_MIDDLE #define TEST_SPP_REGION_RENDERING_STRATEGY SPP_REGION_RENDERING_STRATEGY_4E_FREQUENCY_WARPING #define TEST_SPP_REGION_RENDERING_ORDER TEST_SPP_REGION_RENDERING_ORDER_FLOOR_FLOOR #define TEST_SPP_REGION_RENDERING_STRATEGY_4E_FREQUENCY_WARPING_SCALING_TYPE SPP_REGION_RENDERING_STRATEGY_4E_FREQUENCY_WARPING_TYPE_NONLINEAR_SCALING #define SPP_PEAK_PICKING_BONADA2008_VALLEY_THRESHOLD logf(FROM_DECIBELS(15.0f))

>>13374 As you can see, I used the frequency-warping variant of SPP. Here is the original audio (technically, it was also processed with SPP; but the pitch transposition factor was 1.0, and the transform should be near-lossless): http://up.heyaoi.net/src/6336.wav Now here is a 1.5 factor (+702 semitone) upwards pitch transposition with frequency-warping SPP: http://up.heyaoi.net/src/6337.wav Spectrogram: http://up.heyaoi.net/src/6338.png By comparison, here is the same transform with the original/basic SPP technique: http://up.heyaoi.net/src/6339.wav Spectrogram: http://up.heyaoi.net/src/6340.png The difference is subtle, but I feel like the frequency-warping has a slightly more "VOCALOID" timbre to it. Actually both do to me, but that one especially so. Let me know what you think! This makes me feel like I'm onto something, although I have not done objective tests yet, although I hope to do those soon. Also, here is an extreme pitch transposition (3x). Frequency-warping: http://up.heyaoi.net/src/6341.wav Regular SPP: http://up.heyaoi.net/src/6342.wav About the previously discussed idea from the figure image about the non-linear amplitude scaling - I have yet to implement and test that. I am starting to have some doubts about it though, for example because around the true discontinuity, the different sides appear in opposite order after equalization, which would not happen according to my explanation. Furthermore, after very close inspection of many figures, I believe that the curves are most likely hand-drawn now, or at least hand-edited, whereas before I thought they had been imported. Let me know what you think!

>>13375 What are these Heyaoi links

It is supposed to be hey uri. That is where the files/figures are hosted.