rec.autos.simulators

> Many F1 drivers have said in the past that, in very wet
> conditions, they had to rely on the sound of the guy(s) ahead to
> know where they were.

> But isn't it academic? We're talking a sim/game here. We NEED to
> hear the other cars.

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>I hate to give more ammo to the GP3 haters here, but the sounds of
>other cars screaming past the pits are false. I have never yet driven
>out of the pits to see a car I heard 2 seconds before going past me.
>They are there for atmosphere only.

> > Somebody here with more knowledge can correct me I am sure, but if I
> > have an 800hp monster 12 inches behind my head, would I actually hear
> > anything else passing me? Particularly as I am wearing a crash helmet?

> > Personally, I'd have thought not.

> Let me add some experience here. I used to drive an injected fuel
> dragster (25 years ago), which as you know is a rather *loud* machine.
> Normally, I would not be able to hear the other car since, as you
> pointed out, I also had about 800 hp 12" behind my head.

> However, when I was at full RPM near the end of a run, going close to
> 200mph, if the other guy started pulling even with me I could hear it
> due to a phenomemon known as a "beat frequency". Basically, since we
> would not be running at the same RPM, the sounds of our engines were at
> slightly different frequencies. As the frequencies alternately added to
> and subtracted from each other, I would hear sort of a "whoo-whoo-whoo"
> pulsing in the sound that told me that we were running very close.

> I would bet that this occurs for most other types of race cars, and
> that the drivers can hear it. In fact, I think that GPL models this
> effect (?) when you're passing someone on a long straight.

>   Doug Gordon

> > Somebody here with more knowledge can correct me I am sure, but if I
> > have an 800hp monster 12 inches behind my head, would I actually hear
> > anything else passing me? Particularly as I am wearing a crash helmet?

> > Personally, I'd have thought not.

> Let me add some experience here. I used to drive an injected fuel
> dragster (25 years ago), which as you know is a rather *loud* machine.
> Normally, I would not be able to hear the other car since, as you
> pointed out, I also had about 800 hp 12" behind my head.

> However, when I was at full RPM near the end of a run, going close to
> 200mph, if the other guy started pulling even with me I could hear it
> due to a phenomemon known as a "beat frequency". Basically, since we
> would not be running at the same RPM, the sounds of our engines were at
> slightly different frequencies. As the frequencies alternately added to
> and subtracted from each other, I would hear sort of a "whoo-whoo-whoo"
> pulsing in the sound that told me that we were running very close.

> I would bet that this occurs for most other types of race cars, and
> that the drivers can hear it. In fact, I think that GPL models this
> effect (?) when you're passing someone on a long straight.

>   Doug Gordon

>>In replay u can hear other cars in some cases i think, u also hear other
>>cars when u r in the pits.

>>Martyn_D

>>> Find video GP3_21 from the german NBC review. You can hear the other
>car
>>> very clearly.

>I hate to give more ammo to the GP3 haters here, but the sounds of
>other cars screaming past the pits are false. I have never yet driven
>out of the pits to see a car I heard 2 seconds before going past me.
>They are there for atmosphere only.

>> However, when I was at full RPM near the end of a run, going close to
>> 200mph, if the other guy started pulling even with me I could hear it
>> due to a phenomemon known as a "beat frequency". Basically, since we
>> would not be running at the same RPM, the sounds of our engines were at
>> slightly different frequencies. As the frequencies alternately added to
>> and subtracted from each other, I would hear sort of a "whoo-whoo-whoo"
>> pulsing in the sound that told me that we were running very close.

>> I would bet that this occurs for most other types of race cars, and
>> that the drivers can hear it. In fact, I think that GPL models this
>> effect (?) when you're passing someone on a long straight.

>>   Doug Gordon

>I don't know what the effect is called in english but when when you add two
>sine waves of different freq. the resulting amplitude would vary with a
>freq. equal to the difference of the freqs. of the two sine waves.   This
>effect doesn't need to be simulated as it will occur when ever you play two
>freqs at the same time.

>>I hate to give more ammo to the GP3 haters here, but the sounds of
>>other cars screaming past the pits are false. I have never yet driven
>>out of the pits to see a car I heard 2 seconds before going past me.
>>They are there for atmosphere only.

>Funny?  That was the same in GP2 also.  I'm in shock!!  Actually, it's
>not a major flaw though, but used to be just a minor niggle for me,
>knowing full well that all those cars rushing past the pits weren't
>really happening.

>>>I hate to give more ammo to the GP3 haters here, but the sounds of
>>>other cars screaming past the pits are false. I have never yet driven
>>>out of the pits to see a car I heard 2 seconds before going past me.
>>>They are there for atmosphere only.

>>Funny?  That was the same in GP2 also.  I'm in shock!!  Actually, it's
>>not a major flaw though, but used to be just a minor niggle for me,
>>knowing full well that all those cars rushing past the pits weren't
>>really happening.

>I haven't seen my other post on this...  The same thing happens in F1 2K...

>Eldred

>>I haven't seen my other post on this...  The same thing happens in F1 2K...

>>Eldred

>Here it is Eldred.  :)