Channel Vocoder manual
Thank you for downloading Channel Vocoder! Channel Vocoder
is a traditional software channel Vocoder, with a total of 32 channels. A
vocoder works by taking a modulator signal, usually a human voice, and a
carrier, usually musical chords of some kind, and processing them together to
make it sound as if the voice is singing the notes of the carrier. This creates
a quite interesting, synthetic effect that is often used to create robot voices
for computer games and singing instruments for modern Dance songs. However a
channel vocoder has a million other uses as well... The only limit is your
imagination and the amount of time that you are willing to spend perfecting your
carrier and modulator files.
2. System Requirements
Windows 98 or above, 128 MB of RAM and at
least 10 MB of available disk space. Also remember that high quality Wave files
get quite large so make sure you have enough space to store them.
soundcard is required if you would like to use the preview feature, but not if
you are only rendering to disk. Please note that the audio may break up while
previewing on older computers, if the processor is unable to stream the audio
fast enough. When rendering to disk this is not a problem.
- Sophisticated processing algorithm
- High quality output
- Works with both 8 and 16 bit audio
- Supports sample rates between 8000 and 192000 hZ
- Realtime preview feature
- Saves the result to disk in PCM Wave
- Adjustable parameters to control the vocoding process
- Simple and comprehensive user interface
- Works well with screen reading software for blind and visually impaired
- Completely self contained - requires no third party host
- Requires no sound card if only saving to disk
- Extremely cost effective
- A great addition to your audio software collection!
It is very easy to use Channel Vocoder. First you select the
carrier wave file either by entering its path in the text field or clicking on
the browse button next to it. You do the same for the modulator and the output
files. It is not necessary to select an output file if you only want to preview,
but the carrier and the modulator files are always mandatory.
have selected the files to use, the interesting part begins. Now you can either
save the result to disk if you have selected an output file by clicking on the
vocode button, or listen directly without saving the audio to your hard drive by
clicking preview. If you are saving to disk you cannot adjust any parameters
while the audio is being processed, so make sure you get the settings right
first. This is where the preview feature comes in handy, because you are able to
change the vocoder parameters in real-time. This allows you to find the perfect
settings for your particular project without having to save the audio to a file
each and every time.
There are two main factors that control the vocoding
process, instrument clearance and vagueness. Instrument clearance simply allows
you to select how much of the original instrument you want to hear. If set to 0,
the output resembles the voice perfectly and no trace of the instrument can be
heard. This may sometimes cause you to lose some of the harmonics of the
carrier, so it is not always advisable to set it to 0. Most of the time however,
if you are aiming for a clean output and not using a very frequency rich
carrier, it will usually produce quite good results.
Vagueness is similar
to instrument clearance in a way, the only difference is that it makes the voice
sound more like the instrument without actually letting the carrier audio blend
through too much unless you crank it up to 80 or 100 percent. As always, the
best way to see the difference is to try it out for yourself.
parameter that you can adjust is the output gain. All that it does is to set the
volume of the output. For example, if you are getting a distorted signal it is
most likely because the output gain is set too high. The volume of the output is
calculated based on the volume of the carrier, so if your instrument recording
is very loud it is not wise to crank up the gain too much. 50 % is good in most
situations, but if the carrier is extremely loud you may get distortion even
then. Once again... Experiment! In most cases it is necessary to adjust the
level of the audio in your sound editor anyway when blending it in a mix, but
that is beyond the scope of this manual.
If using this program you must accept and abide by
all the terms below.
- Distribute the vocoder package in its original form in any medium, as long
as no changes have been made. This includes but is not limited to the vocoder
itself, this manual and the audio examples.
- Sell and distribute material created with the program in any way you like,
as long as you own the rights to it.
You may not
- Disassemble, reverse engineer or in any way attempt to access and/or
modify the internals of the program.
- Charge anyone for the software except to cover your own reproduction costs
such as blank cds.
- Create and/or distribute a method for unauthorized users to access the
full version of the software. This includes but is not limited to patches, key
generators and any other means of bypassing and/or breaking the registration
Channel Vocoder is Shareware, which means that you
can try it out before you decide whether or not to buy the full version. The
demo has no time restriction, however it inserts a periodic beeping sound in the
output which makes it unsuitable for production use while still giving you the
chance to experiment with all the features. The beeping is only inserted in
recordings that are 16 bit, 8 bit files sound so bad anyway so that a watermark
isn't even necessary. The beep varies in pitch and length depending on the
sample rate of the files that are used.
To order the software, follow
1. Copy your product ID to the clipboard.
2. Visit our
follow the instructions on how to place an order.
3. When you have received
your unlock key, click on the register button and enter the key in the text
field that appears. When you are done, click OK.
4. If everything worked as
expected, the program will be upgraded from a demo to the full version
instantly. If something went wrong, feel free to contact us for assistance if
you are unable to solve the problem on your own. However, before contacting us
please make sure that you entered your unlock key exactly as it appears in your
confirmation email with no whitespaces in the beginning or in the end, and that
none of the letters are capitalized.
The unlock key that you receive from
us is based on your product ID, which is unique for every computer that you run
the vocoder on. Thus, the key will only work on the computer from which you
obtained the ID. If you have more than one computer and need aditional keys,
please contact us.
The vocoder algorithm was written by Hasan Murod, the
user interface was designed by Gemma Hadfield and the surrounding programming
and documentation as well as the audio examples was done by Philip
If you have any questions or comments, if you have
found bugs in the software or if you just want to chat, feel free to contact
us and we will do our best to help you.