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A voice is a very complex sound pattern. While you can manipulate a male voice to sound feminine or vice versa, getting it to sound like a particular person is probably going to be pretty difficult since the patterns of frequencies differ in complex ways. Think about it this way, think about voice synthesis and how we can't even make a computer generate a ...

You can use the amerge and pan filters in ffmpeg to combine two mono streams into one stereo output: ffmpeg -i input -filter_complex "[0:3] [0:4] amerge,pan=stereo:c0=c0:c1=c1" -c:v copy -c:a pcm_s16le output or using -ac instead of pan: ffmpeg -i input -filter_complex "[0:3] [0:4] amerge" -c:v copy -c:a pcm_s16le -ac 2 output [0:3] and [0:4] refer to ...

There's no particular standard - there are lots of ways to fade audio. A straight line is one of them, but in many cases some kind of curve is preferable and it's down to your preference which one is best. I found this image from this page about potentiometers and their fading properties, which I felt illustrated this well: Some kind of logarithmic ...

Rode also came up with some software for your phone. Check it out at http://www.rodemic.com/software/roderec http://www.rodemic.com/mics/smartlav Here the video: !

Here is such a synthesizer that allow you to "free hand" draw waves (all synthesizers allow adjusting attack, sustain, decay and so forth so for this purpose you can use about any synthesizer). Throw this onto a MIDI and VST capable sequencer/DAW such as Cubase, Protools, Reason, FL etc.: ...

Most pro video editors will let you strip the audio track off once you put the entire movie in the timeline. Once you have removed the original audio track you can add your French version. The first issue will be, how do you know where your new track and movie line up? Do both have sync marks? Are you absolutely certain that both the video and new audio ...

In addition to Bart's advice, you can highlight the track and section you want to change, and select 'effects>amplify' to alter just one part of one track. If the tracks have roughly the same amount of compression, the default offered, which is the highest gain that would result in no clipping, will do a fair job of matching the apparent volume between ...

The option you are probably looking for is called Gain. I don't have Audacity myself, but according to the online help you can adjust the gain of each track by the slider on the left of the track. The slider you need to adjust is the one with the + and the - sign below the Mute and Solo button. In your case you should move the slider of the top track (the ...

This Winamp blog post describes exactly what you are looking for. The function is called Replay Gain and can be applied as follows (relevant text cited from blog article in case the link goes down): Select the files you would like adjusted (DO NOT try to calculate your entire library at once) Right click and choose Send To -> Calculate Replay ...

Windows Media Player (version 12, not sure of other versions) have an option that might help you. In the "Options" window, in the "Library" tab there's a checkbox near the top that you can use to configure to Add volume leveling information values for new files. I believe (but I'm not sure) this information is then stored to the file as an ID3 tag. Other ...

The instantaneous sound pressure of a pure tone equals the ambient pressure (p0) with a superimposed pressure that varies in time as a sine function, i.e.: p(t) = p0 + A sin ωt, where A is the peak amplitude of the pressure variation and ω the angular frequency ( ω = 2πf ). The amplitude A is related to sound pressure level L in dB by ...

It isn't simply pitch from the vocal cords that determines the 'maleness' of a voice, but also how the spectral peaks and resonances are influenced by the shape of the skull, sinuses and chest cavity. http://en.wikipedia.org/wiki/Formant has a discussion of these influences and where the different peaks live. Knowing these can help you 'tune' a vocal ...

doing a direct linear line doesn't sound natural Hm. First off, fading isn't a "natural" thing to start with, so if anything sounds natural it's mostly what we're used to, rather than some "law" based on mathematics, physics or even psychoacoustics. Traditionally, fades were in fact done by hand, and the engineers usually would have a whole lot of stuff ...

Sound pressure level is directly related to the amplitude of the waveform. A pure tone is a sine-wave and sine-waves are defined by ω (omega) and t (time) amplitude = sin(ωt) --- "sin" is the mathematical operator you did in trigonometry at school and t is time. ω = 2 * π * f --- π is 3.141592654 (approx) and f is 500 So for 500Hz, ω = 3141.5927 ...

Well, I am using the updated version (Adobe Audition) but many of these features remain in Cool Edit Pro. For this, I would use the "Stretch and Pitch" process. Select what you're trying to extend, and go to the "Effects" menu (may have a different title for you). Select "Stretch and Pitch" under the "Time and Pitch" category. There, you will have several ...

The following assumes the effect really works as you think. I don't actually know! Before you start undoing any pitch-shift you will need to separate the tracks. This can't be done properly with ordinary EQing, but should be rather accomplishable with a comb filter, since speech (at least the parts that respond critically to a pitch-shift) consist mostly of ...

Basically, if you mix two different frequencies (and this is the outcome of mixing audio with different pitch), you will get a multitude of frequencies. For example, if the original audio contains a frequency of 1000 hz at some point, this will be represented as 800 Hz and 700 Hz. If you now mix these frequencies, you will get the sum of these frequencies ...

Your hardest question is: "How I make a home-recorded voice sounds like as an open-field recorded voice?" Below is also a workflow on cleaning audio recordings. But first to the home/field recording question: Before decreasing the quality of your home-recorded voice, try by all means to increase the quality of your field recording (for example by using a ...

Get a decent quality sound recorder and directional mics with good windscreens if you want to get good audio on location. Balancing music and vocals is going to be a trick you'll have to play by ear. You can apply things like normalization and compression if the audio for voices tends to get softer and louder. Either of these approaches will shrink the ...

Get Adobe Premier Pro. Grab the original video with the one language you have to the editing box. Right-click the video and click UNLINK. Now your video and your audio is already unlinked from each other. Click the Audio Box where the Original Audio was and delete it. Now Grab the French movie to another Box of the timeline. Right Click the French Version ...