VOGONS


First post, by Rekrul

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I've played through the entire game of Tomb Raider using DOSBox, but I was using speakers at the time. I recently bought a cheap pair of headphones (which seem to work great) and while testing them, I decided to see how some games sounded with the headphones rather than the speakers.

For some reason, the sound effects in Tomb Raider were louder than normal and I noticed something I'd never noticed while playing with speakers; All of the sound effects have a sort of scratchy/static-y sound to them. Like there's a small burst of static at the same time as the sound effect is being played. For example, when Lara runs, I can hear her footsteps, but each step also has a bit of static, like she's running on Rice Crispies. To make sure that it wasn't just the headphones, I tried playing it with the speakers turned way up and the static is there too. The headphones just made it more onvious.

I tried switching the game between Soundblaster, Soundblaster Pro, and Soundblaster 16/AWE in the setup, but they all had it.

I've tried with both the official DOSBox 0.74 (software mode) and the 2014 Daum SVN version (Glide mode) and they both sounded the same. No other game, DOS or Windows, does this.

My computer has on-board Realtek Audio rather than a dedicated sound card.

When searching for this problem online, I found a few references to it, but nothing concrete. I did see a comment from one person who said when played on properly configured real hardware, the sound is flawless. One person though that it was the fault of the glide wrapper (obviously not if it happens in software mode) while another thought the VDMSound settings needed to be adjusted.

Do the Tomb Raider sound effects always sound scratchy in DOSBox when you turn up the volume? Is there some setting in the CONF file that could eliminate this?

Reply 1 of 13, by PhilsComputerLab

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Can you do a recording?

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Reply 2 of 13, by Rekrul

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philscomputerlab wrote:

Can you do a recording?

Here you go.

I didn't know how to directly record the game or audio, so I just set a camera in front of the speaker, turned up the volume and hit record. I split the audio off because the only thing the video shows is the speaker.

I turned off the CD audio so that it wouldn't interfere with the sound effects and played part of the first level. About halfway through the file you can hear the darts going across and toward the end of the file is the first secret, which has a constant hiss until the chime sound effect has ended.

I know that at the end, there's some speaker distortion, but it wouldn't be doing that if there wasn't static in the first place. If I don't move in the game and just let the background audio play (the ambient background track), it's crystal clear at the same volume.

Last edited by Rekrul on 2015-08-15, 21:07. Edited 1 time in total.

Reply 3 of 13, by PhilsComputerLab

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I had a video capture from Tomb Raider, extracted the audio and compressed it into a MP3.

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Reply 4 of 13, by Rekrul

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philscomputerlab wrote:

I had a video capture from Tomb Raider, extracted the audio and compressed it into a MP3.

So yours has the same static sound to it. Was this recorded from DOSBox or from a real DOS system?

Also, I see that I could have attached my file to my message rather than using SendSpace. Oops.

Reply 5 of 13, by PhilsComputerLab

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This is on a real PC 😀 With an AWE64 Gold.

So you see that's just how the recordings are. Remember, this is an old DOS game after all 😀

It's just that most people don't notice.

It would be interesting to compare the PSX version. It does have more music tracks compared to the PC, but the graphics are so much better on the PC.

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Reply 6 of 13, by Rekrul

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philscomputerlab wrote:

This is on a real PC 😀 With an AWE64 Gold.

So you see that's just how the recordings are. Remember, this is an old DOS game after all 😀

OK. I thought maybe it was the fault of my audio hardware.

On my old Win98SE I had some problems with the built in sound hardware. Loud, rough sounds like firing the shotgun in the Tomb Raider games would cause the game to stutter badly. After playing some games for while (it varied between 30-60 minutes), I would start to get huge lag while sounds were being played, but it would go away after I rebooted and went back to that same location. These problems mostly went away after installing a dedicated sound card.

I've been wondering if installing a PCI sound card in this system (2.4Ghz Core-2-Duo, 4GB RAM, XP Pro SP3) would give me any benefit.

My graphics card, a GT430, actually has sound hardware in it, but since I'm using a VGA monitor and there's no audio connector on the card, I have no idea how I would connect my speakers or headphones. I believe the audio only works when using the HDMI output. This caused me a moment of panic and great deal of confusion after installing the card as I had no sound on my system. The card had taken over all sound output, but the documentation neglected to mention what you should do if you're using the VGA connector (which doesn't support audio). I ended up disabling it, which allowed the onboard audio to function again.

philscomputerlab wrote:

It's just that most people don't notice.

I didn't notice myself until the volume was turned up.

philscomputerlab wrote:

It would be interesting to compare the PSX version. It does have more music tracks compared to the PC, but the graphics are so much better on the PC.

It's strange, the game graphics are better on the DOS version (in Glide mode at least), but the PSX FMVs are nicer looking.

I've been meaning to update my Tomb Raider installation with the extra tracks from the PSX version, but haven't gotten around to it. I have the audio files and the patched EXE, I just have to add them in and edit my menu to allow the different sound options to be selected when launching the game.

Reply 7 of 13, by PhilsComputerLab

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Tomb Raider is a DOS game. I don't know what sound card you're using, but such a fast computer is not ideal for DOS games.

Tomb Raider came out when people had a Pentium and a 3dfx Voodoo card 😀

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Reply 8 of 13, by jwt27

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Static is normal for sounds with a low bit depth and sample rate. You could filter it out (many sound cards do), but then it sounds muffled instead.

Reply 9 of 13, by Rekrul

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philscomputerlab wrote:

Tomb Raider is a DOS game. I don't know what sound card you're using, but such a fast computer is not ideal for DOS games.

Tomb Raider came out when people had a Pentium and a 3dfx Voodoo card 😀

Which is why I'm playing it in DOSBox, specifically the Daum SVN version which has support for Glide, paired with NGlide 1.04. I did try the software version in the official DOSBox 0.74 as well.

jwt27 wrote:

Static is normal for sounds with a low bit depth and sample rate. You could filter it out (many sound cards do), but then it sounds muffled instead.

Unfortunately, my onboard sound doesn't have any options for adjusting the sound output.

Reply 10 of 13, by Stiletto

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Rekrul wrote:
philscomputerlab wrote:

Tomb Raider is a DOS game. I don't know what sound card you're using, but such a fast computer is not ideal for DOS games.

Tomb Raider came out when people had a Pentium and a 3dfx Voodoo card 😀

Which is why I'm playing it in DOSBox, specifically the Daum SVN version which has support for Glide, paired with NGlide 1.04. I did try the software version in the official DOSBox 0.74 as well.

Phil forgot which subforum he was in again 😉

"I see a little silhouette-o of a man, Scaramouche, Scaramouche, will you
do the Fandango!" - Queen

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Reply 11 of 13, by PhilsComputerLab

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My bad 🤣

Under modern Windows, I use the GOG version and also nGlide. Works very well 😀

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Reply 12 of 13, by Rekrul

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philscomputerlab wrote:

My bad 🤣

Under modern Windows, I use the GOG version and also nGlide. Works very well 😀

I already owned a retail copy of the Gold version, so I didn't see any need to buy another one.

One thing I discovered is that it's better to download the Unfinished Business add-on from the net and install that one rather than installing it off the extra CD included with the Gold version. When installed from the download, it uses the original Tomb Raider CD to play background audio tracks for the four extra levels. When installed from the CD, the extra CD has to be in the drive (or mounted) and there are no audio tracks, so the levels are silent except for sound effects.

Reply 13 of 13, by Serious Callers Only

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Rekrul wrote:
philscomputerlab wrote:

One thing I discovered is that it's better to download the Unfinished Business add-on from the net and install that one rather than installing it off the extra CD included with the Gold version. When installed from the download, it uses the original Tomb Raider CD to play background audio tracks for the four extra levels. When installed from the CD, the extra CD has to be in the drive (or mounted) and there are no audio tracks, so the levels are silent except for sound effects.

On the other hand, if it's cd audio, then current dosbox can rip those out and compress it much more effectively than what the game ever imagined and still use it ingame with imgmount (sometimes i wish normal mount as a cdrom from dosbox gained other image mount features like this kind of ogg/cue/dir support (instead of ogg/cue/iso) or switching 'cds' with CTRL+F4 too).

The major advantage of mounting a directory as a cd is that it's very handy for compressed file systems for deduplication of cd files without any special effort - also i suspect it's a order of magnitude more efficient on that case than isos (compressed filesystems usecase).

It's also useful to use scummvm and the dosgame from the same datafiles. Scummvm 'mass add' will usually recognize extracted cd files as a complete game, unlike install folders of cd versions + isos