Demo and catch up at Roni’s

Next up will be compiling all the best race scenes, line it up for demo very nice

  1. Ford vs Ferrari
  2. Alita battle Angel
  3. Ready player one
  4. Fast and furious
  5. Need for speed
  6. Drive
  7. Mad Max
  8. The Transporter
  9. Hitman agent 47
  10. Gone in 60 seconds
  11. Cars animation
  12. Baby driver

Let me know if u find one good one and your fav!

Ya there are two camps. I prefer to test it at louder levels. That way we can see how the bass is performing whilst not masking details. The other reason is as you go louder, distortion sets in, the lesser that distortion the better . You can tell with some equipment, the louder you go, the higher the distortion / noise levels. With lower volumes we can’t test this

This is also the main reason I went with the line array subwoofers, and my thinking is that when we use multiple woofers, all at half their volume, to get the summation in SPLs , all of them are cruising … the results are clean, fast tight and very accurate bass

I always prefer sealed subs, they give us that articulation when the bass tracks the on screen action, even for Atmos

I like SPLs , to a certain degree, but bass articulation comes first for me

Playing at low volume is actually a significant character the speaker system, especially for 2ch stereo. I was enlightened on this by comments from multiple fellow enthusiasts.

There are some speakers, especially high power power handling Pro audio type woofers, that just need a certain power level before they ‘Wake Up’. At lower levels, they may tend to sound veiled or subdued.

This affects micro dynamics and delicate sound effects like whispers of breath and rustles of leaves etc in quiet scenes.

I believe this also affects bass drivers to some extent, though serious subs by nature need to be quite robust.
There will be variations in low level performance, some just needing more power and spl to Wake Up.

However for bass, especially impact and punch, there is also Fletcher Munson considerations, where we need much higher levels of bass vs mid frequencies to sound balanced. Which is why audyssey and other dynamic EQ systems boosts the bass at lower listening levels…

This suggests that there may be differences in room curves boost, depending on preferred listening levels.

Listening at - 25 to - 30 probably requires a different boost curve vs listening at - 15 to - 10 below reference.

Noise floor is even more important when listening at lower levels. If room noise floor is average 50dB, listening at ~65-70dB only gives 15-20dB of dynamic range …that may be a reason for cranking up the volume.

1 Like

Well said.

Actually on the contrary, based on my experience coming from a living room at 45dba previously vs 20dba now, I notice it’s quite the opposite

When the room is not controlled, u have a lot of energy, the power response going into the room from say 7 to 11 or even more speakers. With all these uncontrolled reflections, as you increase the volume levels, it takes enormous amounts of time to decay off/dissipate. The sound becomes unbearable and muddy, cranking the volume up, makes it worse actually.

On the reverse, when the room is controlled, u can actually crank up the volume, because now, the rise of the energy is quick plus it decays very fast. Suddenly, it doesn’t sound as loud. Because the energy is no longer lingering around. They have decayed. U are then able to crank up the volume, when the room noise floor is lower .

This is where it makes a difference because now , you can crank up the volume and hear tiny whispers and leaves and footsteps clearly, the sound clearly separated from the rest of the sound. It becomes effortless and u don’t have to listen hard for it, it just presents itself naturally. Because the first and late reflected energy has all decayed off. This is how I am able to tell how good the system is. It’s ability to go loud without distortion yet clearly hearing every single detail without it being masked out.

Hence the conclusion that the higher the room noise floor, the worse it becomes when cranking the volume. It should be the opposite.

Why I can go -5mv today in the living room on certain movie sound tracks, without any fatigue. I found out the reasons , because the total energy going into the room is controlled , they decay off very fast. They don’t stay and bounce around in the room…so far from the demo, all of them(around my age) love it at -5. After the session I reveal at what MV it was playing back. They all stared at me and go :thinking:. Of course I always asks first how loud can you go, don’t wanna make the demo uncomfortable

That is why, I always come back to TIMING, be it stereo tuning or HT tuning… TIMING is the key to everything

There is a lot of things u can observe and learn during demo sessions, I always take in the feedbacks , positive or negative… then I work on improving that

Finished the testing today, the best is Drive ! One more test to confirm if need for speed on another cut out, but yea NGSK is right, Drive seems to be the best for car racing scenes

just cut out the new scene from Need for Speed…

testing soon, 3 scenes… from the heat map, 3rd one has the most intensity for bass

scene 1
https://drive.google.com/file/d/1w4gUNiLutDU2Q0-rm78eeCht3HNzIvnp/view?usp=sharing

Scene2
https://drive.google.com/file/d/1VxgyEGLO7Wpylxxzm6gmlwyYcWeXqrJu/view?usp=sharing

Scene3
https://drive.google.com/file/d/1H5oq1SayQWdnXecC1gDV1PniEEWjZzl2/view?usp=sharing

here is another one, from the movie Drive

https://drive.google.com/file/d/16ebaEWBJhPc0rLiYl12XqB1tvwsdHpbm/view?usp=sharing

the best i found…pending testing of Need for speed

Need for speed , track 2 is solid!

Just finished testing it , very very good car racing scene

Alita Battle Angel, Stadium Race scene, very nice, articulated bass, -7 to -5mv power!

https://drive.google.com/file/d/1aQay2V7NUhtKb85A6Fzm525d2m3qxfKQ/view?usp=sharing

Agent 47 Hitman, -5mv to -3… power

https://drive.google.com/file/d/1QyVrQioFuQVrT8ICxdpXqLbDGir8dkuA/view?usp=sharing

Fantastic Bullets as the anchors pierce through the car, scene shot in Singapore! very nice!

LIve by Night, bullets scene, Reference!!! -5mv power

https://drive.google.com/file/d/12Js5T7oiQWwGbk1BUmU4ENl5YkE0_X3m/view?usp=sharing

on Need for Speed 2nd track, it is quite loud, at -9mv plenty of energy sweeping, power!!

we were demoing this yesterday on the line arrays, damn syok!

The video quality is extremely good on open matte edition from alita battle Angel. Download and enjoy whilst it’s still available

The video is superior to original 4k master

Yes this open matte version pq is really damn good.
For Need for Speed i also prefer the 2nd clip,more balanced sound. The sound mixed is extremely hot as u can see from the BEQ filter Aaron had to trim down the low~mid bass levels n give a -5db mv adjustment,i can only play them @-10,5db lower than my usual level for dts-ma track,without BEQ think can’t go any louder.


The 2nd 1 is the heatmap which shows how hot the content are from 40hz down with timestamps on the left side,left potion after,right potion b4 BEQ. The 1st 1 shows b4 n after BEQ’ed PVA graph,dotted line b4,the ‘gap’ between the top 2 n bottom 2 lines shows how dynamic the audio track is.

This one is my reference for Driving race scenes. I remember many years ago, it was awesome. Strange it didn’t come up in any demo disc.

I thought the sound tracks were much more dynamic compared to the fast and furious and other race scenes

Ya the BEQ graph won’t lie, straight away we can tell what type of quality we are expecting.

DEFINITELY lower the Master volume, don’t fry your subs.

This type of scenes is where headroom matters and comes into play. Gotta be careful with levels

Nonetheless those who have tons of headroom, prepare to enjoy

REFERENCE…

Ha…I have certain scenes - mostly driving and the infamous flipping car scene but ended up in the cutting board in the editing room simply because I am trying to fit a demo disc content into a dual layer BD-R back then.

To this date, the scene is still in my collection of demo worthy vault.

Wah really, was this clip in your vault as well ? Very nice I find among all the race scenes I have tested , rather balanced from mid down to lower frequencies.

The DRIVE scene and the Need for Speed #2 scene is the best so far I’ve tested for drive scenes.

I use both quite extensively for my demo :slight_smile: They are under my top reference demo scenes category keke.

Bro, as shared, for Alita, check out the fight in the underground tunnel between Alita and the giant. That one is super good. Start from the part where the giant enters the bar. Alita has some other scenes that are worthy for demo too. I rem there is one scene she was walking/ travelling in the town, quite good to test ambience and surround sound stage where u must feel that u are really walking through the town/ streets.

oh ok, thats also worthy? ok ill cut out that underground scene as well. Alita was introduced by Winthur, i was sharing with him how we can cut out certain clips from the movie and compile it at demo scenes, whilst retaining its full video and audio resolution. So we took this sample, turns out very nice

but that “need for speed” clip, was the first time i tested in the set up with line array, they were fantastic… damn solid that one.

So now i have these as my fav

fighting scene, true legend/Flashpoint…
Bullets live by night,
car racing Need for speed
Aerial flight scene is harry potter dragaon dtsX
Vocals will be - age of adaline crash scene male narrators voice…
Missile Launch front heights - Hunter killer & Alien Covenant
AT Centre speaker - Breath of Lion in Lion King / Premeutheus
Dynamic Range / Noise - A Quiet Place
Footsteps - Incredible Hulk coming in at 8hz
Explosions Sweeping bass - World War Z
Kan Cheong bass - Judge Dredd Stallone bullets firing at quarters scene, the tactile feel
Physchoacoustic and panning - Leaf and Jungle scene
Movie Score - pirates of carribean
Surrounds - Pending
Object Placement - Pending
Underwater scenes - Pending

still havent found one really solid for surrounds, object placement and underwater scenes

Nothing from Aquaman or Underwater?

Surrounds - Pending

House of Flying Daggers - the part where Andy Lau toss a bowl of beans on the standing drums

Still haven’t found one solid one… ya I remember those two were pretty intense

Oh I will check out flying dagger, Andy Lau. I think I saw this in the demo folder

Yes, this was one of the demo clip which I have downloaded from Xtremeplace years back.

I think I still have the disc. The sound of that clip is awesome.

1 Like