Intensity of the throttle affects sounds

[h106frp]

So if you could find an opensource audio channel strip dll with cut/paste and envelope controls you could develop this into an integrated editor?

Only joking...  would be nice though 

[HornetMaX]

So if you could find an opensource audio channel strip dll with cut/paste and envelope controls you could develop this into an integrated editor?

Only joking...  would be nice though 

There's no real need to integrate the manipulation of the .wav files (samples) in my tool as you can use my tool (that works on the .scl) in parallel of any tool that edits the .wav (like audacity, for example). My tool will only take care of editing the scl (telling how the different samples will chain together) and playing the whole thing.

It's already fully working

MaX.

[h106frp]

Very cool

Hopefully some of the people with access to race bikes will be able to record some genuine samples over the correct rev ranges

[Warlock]

Wow looking good Max, fast job, thanks 

[BOBR6 84]

Very cool

Hopefully some of the people with access to race bikes will be able to record some genuine samples over the correct rev ranges

What equipment is needed to do this? For a Proper job..

My first race of the season is end of march so I have time to prepare (if its cheap enough) all my racing mates will be there.. So 200bhp ZX10R's to 650 twins.. Plenty of bikes.

Tell me what needs to be done and il give it a shot!!

If the scrutineers say no to having things mounted on the bikes il do it on a test day or something.. Whatever, dont mind.

[HornetMaX]

What equipment is needed to do this? For a Proper job..

What you see in this video (posted by Warlock): bikes, dyno, sound equipment worth thousands of quids and a, of course, a sound engineer

https://www.youtube.com/v/JtwrJCGx9a8

MaX.

[h106frp]

.....or a couple of cheap microphones with something to use as a stand, a laptop and audacity; The dyno is probably beyond what would be easily available  You can also get quite cheap handheld digital recorders if you get serious about it. These zoom ones are less than £100 and have built in mics


The most important thing would be a stable rpm for each sample, and recorded with good levels, no overloads as the overload distortion (lots of harmonics) on digital recordings is very unpleasant and is likely to be made even worse by the pitch shifting techniques used by the sim sound engine.

But it has got to be worth a try as I would think a good 'set' of recordings would be a much better start for those wanting to make a sound set than trying to use snippets grabbed from youtube and the like. A few of the bikes mods i have tried have suffered from the weirdest engine 'sounds' i have ever heard - one made the thing unbearable to listen too - sounded like angry hornets trapped in a bottle.

I am sure you would at least capture the 'essence' of the different sound between say an in line four and a twin, plenty of audio tools available for tweaking the tone to suit.

[HornetMaX]

.....or a couple of cheap microphones with something to use as a stand, a laptop and audacity;

He said "For a proper job"

The dyno is probably beyond what would be easily available 

Without the dyno you won't be able to capture samples of engine under load ...

MaX.

[h106frp]

For the high SPL that you would encounter recording a bike standard dynamic mics would probably be best for close micing, the industry standard SM57/58  is less than £100, even a lowly laptop with built in audio has specs that would make the high end analogue recorders of 10 years ago weep.

A home studio USB standard recording interface with very good mic preamps can be had for <£100 if you get really serious about it.

Small admission, have been running a small multitrack home studio with friends for years so dabbled with quite a bit of recording equipment, some professional grade stuff with work as well and you really are splitting hairs these days with quality considering the huge price differences involved between enthusiast and professional grade gear;).

Google 'field recording', a lot of people have developed very affordable methods for capturing sounds whilst out and about, seems to be a hobby in itself.

Can't argue with the dyno issue at all, but as has been hinted at, just how does the audio engine allow for engine load? The 'sound space' only appears to be mapped in 2 dimensions, rpm and volume, we do not seem to have a third engine load axis. This would suggest that whatever we record would need some sort of processing to help it simulate the full range of engine conditions from revving on the grid to climbing an incline at full power to coasting with throttle shut.

Even if a dyno was available, what would be the 'datum' engine load condition to adopt for the original sample recording?

[HornetMaX]

For the high SPL that you would encounter recording a bike standard dynamic mics would probably be best for close micing, the industry standard SM57/58  is less than £100, even a lowly laptop with built in audio has specs that would make the high end analogue recorders of 10 years ago weep.

A home studio USB standard recording interface with very good mic preamps can be had for <£100 if you get really serious about it.

Small admission, have been running a small multitrack home studio with friends for years so dabbled with quite a bit of recording equipment, some professional grade stuff with work as well and you really are splitting hairs these days with quality considering the huge price differences involved between enthusiast and professional grade gear;).

Google 'field recording', a lot of people have developed very affordable methods for capturing sounds whilst out and about, seems to be a hobby in itself.

OK, let's say I overestimated the budget a bit. But you'd still need that sound engineer

Can't argue with the dyno issue at all, but as has been hinted at, just how does the audio engine allow for engine load? The 'sound space' only appears to be mapped in 2 dimensions, rpm and volume, we do not seem to have a third engine load axis. This would suggest that whatever we record would need some sort of processing to help it simulate the full range of engine conditions from revving on the grid to climbing an incline at full power to coasting with throttle shut.

No ! They are mapped on dimansions RPM and Throttle position.
The throttle position, given the engine characteristics, tells you the load.

That's what I'm trying to the to Wh1t34Gl3(SAS): GPB considers the load, because it mixes the ON and OFF samples depending on the throttle (which is the load, more or less).

In GPB you have 2 sets of samples : one set with throttle OFF, one with throttle ON.
Both of them should be taken on a dyno (with throttle fully OFF and fully ON respectively).

MaX.

[h106frp]

Ahhhhh...  fog lifting

Think i finally follow how it arrives at its mixed down sound, thanks for explaining.

Burnouts with the front wheel against a wall then - low budget dyno?

[Warlock]

Burnouts with the front wheel against a wall then - low budget dyno?

lol    good idea

[HornetMaX]

Burnouts with the front wheel against a wall then - low budget dyno?

Guess it's gonna be hard to find somebody volunteering his tire (and bike) for that

MaX.

[doubledragoncc]

How about towing someone in a shopping trolly around the track with the sound gear in a second trolly and a bit of card in front of mic to stop wind sound? At 160++ in a shopping trolly could be fun!!!!

SORRY     

DD

[Eagle]

>HornetMax

Okay, i'll try to find out all of this. Btw, i saw a "s2b_backfire" in a mod, is this working, or just a test ?