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Sample WrenchTM, a high powered sound sample analyzer and editor for Windows. Download Now!  Also: Sample Wrench User Manual (pdf)  Shortcut Guide (doc)

Sample Wrench XETM, special edition sound editor for Windows. Download Now! Also: Shortcut Guide to Wrench XE (doc)

Instructional videos are available at Electronics With Professor Fiore on YouTube: Sample Wrench Playlist

Videos are also available for direct download on the Books page


Sample Wrench

Sound Sample Analyzer and Editor
"The audio equivalent of a Swiss Army knife"

Version 5 for Windows XP, Vista, 7, 8, 10, 11.

Do you need to edit sound files on your PC? Need to remove clicks, pops, and noise from old recordings? Need to deal with a variety of file formats or communicate with MIDI/SMDI samplers? Don't want to drain your wallet, but do want reverb, extensive EQ, pitch shifting, time compression, harmony, frequency modulation, spectral warping and other neat effects? Want to create your own DSP functions or specialized Plug-Ins? Bored with zombie corporate sonic tools? Need an audio tool as versatile and flexible as a Swiss Army knife? Can't wait to do really bizarre and strange things to audio that you never thought were possible? Then you owe it to yourself to download a copy of Sample Wrench! It's The Tool for Advanced Audio WarpageTM!

Hey, don't take our word for it- check out these reviews of Sample Wrench    Click here for a screen shot on Windows 8  Click here for a screen shot on Windows XP

Sample Wrench is a powerful audio sample editor which works with Windows sound cards and a variety of MIDI-based keyboard and rack-mount samplers. Edit mono or stereo sounds with 24 bit better than CD quality and fidelity at a price that makes the competition look silly (how does free sound?). Numerous special effects and processes are at your finger tips. Check it out:

Plus all of the conveniences you've come to expect from a professional program such as floating toolbars, user configurations, directory control, and more.

System Requirements

Any PC compatible running Windows XP through 10 with 64 Meg of RAM or more. Price: FREE.

Click here to download the latest version

Shortcut Guide to Sample Wrench (doc) 

Sample Wrench User Manual (pdf)  


Sample Wrench XE

Special Edition Sound Sample Editor

Version 5 for Windows XP, Vista, 7, 8, 10, 11.

Sample Wrench XE makes professional quality audio editing simple for everyone! Based on its powerful big brother, Sample Wrench XE combines quick response, flexibility, and a host of popular effects into one easy to use package. Highly accurate sample viewing is yours at last. Don't settle for a crippled editor with limited control or stale presets - take a look at what Sample Wrench XE offers you:

System Requirements

Any PC compatible running Windows XP and newer with 32 Meg of RAM. Price: FREE. 

Also check out our FAQs page for more info.

Click here to download the latest version

Shortcut Guide to Sample Wrench XE (doc) 


Other Audio Stuff

This is the place for other neat odds and ends including instructional tips, scripts, presets, and similar goodies. Remember, all of the stuff on this page is free, so download as much as you need and can use. If you have created scripts, presets, utilities or similar items which you'd like to share with other dissidents users, send us an e-mail! We'll be happy to include anything useful (and we'll give credit where credit is due of course).

Spikey.zip (1k)

Now this is interesting. Spikey.zip contains a very simple 8 bit WAV file which can be loaded into any sound sample editor to reveal something about the editor's accuracy (or lack thereof). Spikey unzips to over 130k bytes and contains three pairs of positive/negative spikes amidst a sea of silence. Sample Wrench uses a true peak detecting polarity sensitive drawing algorithm which will always show you spikes and other transients no matter what your zoom level is. You'll always be sure that both the polarity and size of the drawing are accurate. Unfortunately, many editors on the market will skip over sample data in order to make their drawing speed a little faster or smoother. Depending on your zoom level, peaks and transients may not be shown accurately, and in some cases, may not be shown at all. Further, some editors are not polarity sensitive and will simply overlay negative values on the positive display and vice versa (i.e., a single positive spike may show up as both a positive and a negative spike). This is where Spikey comes in. Spikey contains a simple positive spike at .5 secs, a mirror negative spike at .75 secs, a pair of slightly more complicated spikes at 1.5 and 1.75 secs, and finally, a pair of somewhat wider spikes at 2.5 and 2.75 seconds. All spikes are close to (but not at) full amplitude, and the positive spike always appears before the mirror negative spike. To use Spikey, simply load it into a sample editor and look at what the editor shows you. If the spikes are not the same height, you've lost accuracy. If a spike is drawn as an equally large positive and negative bar, then the editor isn't polarity sensitive (this can create confusion, especially if you're designing asymmetrical waveforms for samplers or special effects). If you don't have 3 pairs of positive/negative spikes, then you can be certain that the editor is skipping over sound data (sound data that you want to see- after all, isn't that the purpose of a visual sound editor?) By the way, it's often useful to change zoom levels and pan locations during this test. Very often, editors which skip data might just happen to show something at certain magnifications. By changing zoom and pan, you may be able to see spikes "magically" appear and disappear in the editor! It's probably best to load Spikey into Sample Wrench first in order to see a proper drawing for later comparison.

Sample Wrench Macros 

ClassA.zip (2k)

An interesting Sample Wrench script which mimics a saturating class A amplifier. The distortion is subtle and non-symmetrical. To use, unzip and place the .bas file in the Sample Wrench Scripts directory. Then use Setup/Assign Macros to assign a function key to the macro.

Crest.zip (2k)

This Sample Wrench script computes and displays the maximum, minimum, and RMS levels for the selected portion of the sound, and also displays the resulting crest ratio (ratio between peak and RMS). It is useful for determining just how dynamic a given sound is. To use, unzip and place the .bas file in the Sample Wrench Scripts directory. Then use Setup/Assign Macros to assign a function key to the macro.

SlapEcho.zip (2k)

A script which creates simple slap echoes for Sample Wrench. A dialog box lets you choose from short, medium, or long delays (50, 75, or 100 milliseconds). This script can be easily changed for different time delays by even modestly proficient BASIC programmers. To use, unzip and place the .bas file in the Sample Wrench Scripts directory. Then use Setup/Assign Macros to assign a function key to the macro.

Spreadsheet.zip (2k)

Use your spreadsheet to create sound data! This script loads a column of numbers in ASCII text form and turns them into a sound sample.

ASCIIWriter.zip (2k)

Writes sound sample data to a file in ASCII form. Good for importing data into other programs such as spreadsheets. It's the inverse of Spreadsheet.zip.

Sample Wrench Enable Doc (250k)

This document describes the general characteristics of the scripting language such as variable types, syntax, branching and looping constructs and general functions (e.g., MsgBox, Sin, Dialog, MkDir, etc.). This is not a tutorial for novices. If you already know Visual BASIC or a similar language, then most of this will be familiar ground. If you are brand new to Visual BASIC we suggest that you pick up an introductory VB text at your local bookstore. Also, this does not include the Sample Wrench DSP and audio engine functions (these are found in the Sample Wrench help file). Unzipped, this file requires about 3 Meg and is in .doc format.

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