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Post tutorial Report RSS How to change sounds in Half-Life

A quick tutorial on how to replace the .wav files with your own.

Posted by on - Basic Sound Effects

Hello, today we will be changing audio files in Half-Life.

What we need: Audacity

So, if you're developing a mod of your own, or just want to change the sounds, here's how you do it.

Step 1.

Go to (For mod): C:\Program Files (x86)\Steam\SteamApps\common\Half-Life\(MOD)\sound
Go to (For Half-Life): C:\Program Files (x86)\Steam\SteamApps\common\Half-Life\valve\sound

Now you should see a big list with folders in it.
For my sound tutorial

We'll be selecting the "barney" folder.
Now find the sound file "
c1a0_ba_desk.wav" and copy the name.

Step 2.

Open "Audacity" (Download link is above)
You can do two things: 1.) Voice act, or 2.) Replace it with another audio file. But one thing is key in this, the bit-rate MUST be 88 for the audio file to be played in Half-Life. So let's just say you took a audio file of "Do you suck dicks?" (From FMJ) and you want to put it in there. First open it with Audacity and change the "Project Rate (Hz)" to "5500". It will sound ALOT different, may even be muted depending on how quite your sudio file was. You can fix this by moving that little slider on the left to the right. After you do that you need to click "Track>Stereo to Mono". This will make it have one audio channel instead of two, this is how they have it in Half-Life and this may or may not effect the outcome. Now export the file as a ".wav" or else it will not work. Make sure to name it "c1ao_ba_desk"

For my sound tutorial (2) *picture explaining

Now after you've done that just drag it in and replace it. To check if it's 88 we need to check it's properties. If the "Bit Rate: 88" is there then you did it right!
erg another sound tutorial pic
Now let's test it in-game!
Video

Well, that's all! if you have any questions you can reach me by commenting on this tutorial or commenting on the video! Thanks!

For me
____________________________________________________________________________
Notes: For some reason lips will not move with the edited audio files. If anyone knows please comment on this post the solution.

Comments
THEYUD
THEYUD

HEY MAN. I HOPE YOU'RE THERE. I looking for HalfLife 1 version that includes the sound folder. None of my downloaded has it, so I can not do what you did there. I have media, maps, models, etc.. though. Where did you download your HL version. Please help me !

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nmb24 Author
nmb24

Here you go!
Dropbox.com

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THEYUD
THEYUD

Thanks, I got it. Actually they hide those folders in pak0 file. Anyway, 5500 Hz sounds really suck, do you have any tricks to convert those files but still keep the quality ?

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nmb24 Author
nmb24

Okay, I tried a 176kbps file and it worked for the opening. On audacity set the Project Rate to 11025

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Lunatic01
Lunatic01

hey i know this is a rather old reply chain here, but i have my audacity Project Rate to 11025Hz, i make the audio mono, and when i export it, i use the other uncompressed files option and use the options to make it a WAV (Microsoft) and have it as an Unsigned 8-bit PCM. the issue is that when i export it, some files come out as 176kbps, some come out to be 88kbps, and some dont even have a kbps rate shown and i think thats why some of my sounds are not appearing in game. do you know how I can fix this? thanks

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Lunatic01
Lunatic01

nevermind i have fixed the issue

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THEYUD
THEYUD

and I just realize that even with 88 bitrate audios, the character's mouth doesnt move !!

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nmb24 Author
nmb24

I'm currently looking into a solution for this.

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Lolistatrolista903
Lolistatrolista903

You must File>Export>Options>Coding (just like that)>Unsigned 8 bit-PCM and characters mouth will move work 100%

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THEYUD
THEYUD

Hey, thanks. Actually I found out this is what needs to be done : 11025Hz + Mono + 8bit wav ~~> 88 bitrate !!!

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K.R.Nelson{HR}
K.R.Nelson{HR}

8-bit raises the noise floor considerably - need strong recordings at a decent level. The 11025 rate is far below the Nyquist theorem's range of faithful reproduction. All of this factors into why it sounds different. Most of the higher frequencies are cut out from this. Try EQing a file like this and you'll see that anything after 8Khz makes nary a difference!

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Qweekskowped
Qweekskowped

Help me please! I was going to change the ambience sounds "techamb1" with my own, I followed the steps and when I tested it, it did sound but it doesn't loop. Any solution?

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Qweekskowped
Qweekskowped

The sound file that is used to replace was originally an MP3 file, then I followed your steps, exported to .wav then tested in the game.

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Red_Fire_Gaming
Red_Fire_Gaming

i have a solution. Neither than convert the file into wav you click other uncompressed files and then click options. Header select Wav Microsoft and encoding choose unsigned 8 bit PCM. There you go! Have fun making mods!

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Asrob1001
Asrob1001

Does anyone know how to change all the sounds in the game but keep the file names? I'm changing every sound in the game to one audio file and I can't figure out how to make every sound on audio clip but keep the names so the game recognizes them.

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Guest
Guest

I want to replace ALL files with a certain sound, while keeping their names in place. How do I do this?

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Lolistatrolista903
Lolistatrolista903

Copy sound folder and paste somewhere

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Lolistatrolista903
Lolistatrolista903

WTF? I CHANGED HZ TO 5500, CHANGED TO MONO, EXPORTED TO .WAV I SAW IT WAS 88 B/s AND ******* NOTHING 0 SOUND!!!!!!!

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Dоuble
Dоuble

I noticed some mods have 88 and 176 bitrate sounds

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idfk
idfk

I can't seem to get this to work, I set the project rate to 5500 and it's still silent. Also, I clicked properties and it says the bitrate is 160

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Lolistatrolista903
Lolistatrolista903

Ok i bought original Hl from steam and it worked but npcs mouths doesn't open how can do it with mouth?

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nmb24 Author
nmb24

That's something I've been trying to figure out for the longest time. Can't help ya there man, sorry. :(

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Devana25
Devana25

Does this work for Half Life 2 as well" Or some specifically, the Smod Tactical Project Live v2 mod? I've been trying to get it to work, but it just won't.

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nmb24 Author
nmb24

I was about 14 or 13 when I made this tutorial, sorry for how crap it is.

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twaces
twaces

Im seriously confused, I always end out with slow low pitched sounds, please help me.

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