Boosting audio Levels

I am using an ION iTT USB turntable to import LPs into my Macbook Pro. It seems to work well, but the audio levels are low. I'm recording on Analog Ripper and when I "Rebuild Trace" it seems to boost them somewhat, but not enough. When checking my "Import" source as USB in my Macbook Pro there is no input level adjustments possible. Any suggestions on how I can boost the sound so that I don't have to crank the volume on the CD Playback unit up so high?
thanks.

Two thoughts:
First check Audio MIDI Setup utility and see if you can turn up the voluem there.
If not, you might look at using an Audio Editor that offers a "Normalize" function, which will boost the volume:
http://www.bulletsandbones.com/GB/GBFAQ.html#audioeditors
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How to boost audio levels.

Hey guys, i'm kind of a newbie to FCP, I've been editing a lot lately w/ Canopus Edius.... I have a question on how to boost my audio levels of a clip. Is it true I can only raise the level of a clip 12db? I can't find any other place or filter to gain the audio. In Canopus Edius you had 12db of timeline reference then you could drop on filters to gain it. Hopefully I'm just overlooking something...
Thanks for your time

There are several options for you
1. soundtrack pro
2. double up the track and boost both
3. Crank it up, export it, reimport it and crank it again.
4. Put on the parametric eq filter and punch the whole thing.
5. Any combination of the above.
Keep in mind that you are also raising the noise floor and it will begin to sound unnatural. Best solution: audio engineer on set.

QuickTime Export Boosts Audio Level

Hi folks,
I'm working on a DV-NTSC project in which I have received a fully maximized audio track
that I put in the timeline without any processing. I am now exporting the movie
using QuickTime - Current Settings.
The resulting movie should have the AIFF audio exactly the same as the original mix,
but it's consistently hotter. Since the mix is already maximized, that means I get clipping.
I found that when I export using separate tracks the volume is exactly the same.
Has anyone else experienced this sort of thing?

OK, tried the suggestion from Jonas on avoiding 'Export' and used the render queue instead and... Viola! Worked like a charm.
I went back and scrutinized the differences between the two and found the problem; the export settings were set to 44.1khz for the audio vs. the 48k for my render queue setting. I changed the audio to 48khz for the export settings, tried it again, and this time the problem was gone.
Thanks again for the tips and ultimate solution.

I want to attach an external speaker to boost audio level for certain sites with low audio.

I have a Pavilion g7*1237dx Notebook pc.
Does it have bluetooth?

Hi,
Based the following link, No:
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&dlc=en&docname=c03072347&lc=en&product=5199554
You can use a dongle (USB - BT) for your machine.
Regards.
BH
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Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.

Boosting audio tracks in imovie6

i have a project (due on monday!) which i cut in imovie6
all is going well. the client approved the ruff cut on friday. during playback on their projection system i did notice that some of the audio levels need to be boosted. the problem is according to imovie i can't boost them more than the 150% i have them presently set at. is there a work-around?
i read that i can send the tracks to garage band do the volume boost, send the "newly boosted" tracks to itunes and then import them back into imovie. the problem is that w/o access to timecode it is nearly impossible for me to synch the tracks. any thoughts?
thanks in advance
be well
rob

Hi robfilms - this discussion may help:
http://discussions.apple.com/thread.jspa?messageID=1934851&#1934851
Also, there is a free audio editing app called Audacity, which can be used to boost audio levels:
http://www.versiontracker.com/dyn/moreinfo/macosx/15063

Adjusting audio levels

Hi
I'm working on material where the footage has been filmed by different people and (lucky me), the audio levels are not consistent. On a particular one, the sound level on the camera was turned down so low (I presume) that after capturing, it is barely audible. (and no, there is no chance of refilming the footage!)
I have whacked up the level within FCP but this is obviously causing me problems because you can hear that buzzing noise (dont know the correct term!) that you get when you turn the volume up of something.
I have sort of tried to apply the audio filters here and there to see if it makes any difference but because I'm unfamiliar with terms like frequency, band width, gain etc, I don't know exactly what should be adjusted.
Any ideas would be really useful
Cheers
Jenny x

If you are using FCP 5, then you should take advantage of Soundtrack Pro. You can boost audio levels (normalize) and remove ambient noise/hum/etc.
You can get a taste of how to reduce noise in the STP Quicktour:
http://www.apple.com/finalcutstudio/soundtrackpro/quicktours/noisereduction.html

Boosting audio - quick solution anyone?

Hi there - I remember in a back issue of iCreate that you could boost audio levels further by exporting and re-importing an audio clip. In theory you may do this over and over.
Can any one shed any light on how to achieve this?
I know its in a back issue and i thought it would be quicker and easier to ask the pros here.
Thanks guys.
Pete in London

You could also download the free trial version of Sound Studio ..hmm, thinks: is the free version still available?.. or Audacity ..which is free!.. or any similar audio editing program.
Then double-click on the extracted audio clip to get the name which the computer calls it (..probably 'Voice 01', or some such..) as distinct from any name which may appear on it if you renamed the video clip before extracting its audio.
Then start the audio editing program, and click on File and Open, and navigate to where the audio clip is stored: that means inside your Movies folder (probably), inside the name of your project, and inside the Media folder within that. (..If trying to find your audio clips just from your Mac's Finder window, right-click, or ctrl-click on the name of your movie, and choose 'Show Package Contents').
Once your audio clip has opened in Sound Studio, Audacity, or whatever, you can adjust the audio level as much as you want, as shown here, but using the 'Filter' and 'Amplify Volume...' menu.
Then use File and Save, and that immediately makes alterations to the original clip within iMovie (..the extracted clip called 'Voice 01' or whatever).
You'll be able to boost the audio that way as much as you could ever want.
HOWEVER: be aware that boosting audio boosts all that bit of audio. So if you have a person talking quietly, boosting it will also boost any background sound which may be present, such as wind noise, general hubbub of conversation in the background, clock ticking, car engine running, or whatever else was on the original audio. So boosting it won't separate a quiet voice from background noise. If boosting the audio also boosts background hiss, you may be able to filter out some of the hiss using the Filter menu in Sound Studio, or whatever audio program you're using. If that doesn't do it, an expensive program like SoundSoap may (..or may not..) be able to remove a constant background noise such as hiss, rumble, fizz, etc, but can NOT remove variable things like background conversation, background music, wind noise, etc.
So boosting imperfect audio just makes the imperfections louder!

Boosting Kinect v2 Audio Level vs Hardware

Hi,
I have community of users using Kinect v1 and v2 targeting a NUC Core i5 (people have many other computers but NUC / Win8 is the target)
The audio level on a NUC or on a Laptop is very low. Voice Recognition works but it seems less efficient than on a gamer computer.
Is there anyway to boost the audio level of the Kinect 2 ?

The problem is I'm already at 95 / 100
I don't understand why some Kinect are so low and if there is tricks to improve that ? I assume because it's USB 3 it would work the same ?

Low audio levels on itunes purchased music video's

Can anyone tell me how to boost the audio levels on purchased itunes music video's ?
I have purchased a few videos lately from the itunes music store and occasionally I find the odd one which has very low audio levels. I assume that itunes has not monitored some video/audio files closely enough when importing them into the in tunes system itself and the audio levels have fallen a little low on certain tracks. Have a look at some of the Eurythmics songs - 'Angel', 'Missionary Man', or 'Best of You' by the Foo Fighters for example.I have boosted these tracks by 100% within the in itunes track options, but its still a very low level compared to some of the other tracks I have downloaded.
I tried to import one of these video files to Mpeg Stream Clip to see if I could use the audio boost function within that program but it didn't like the video file ? I presume because it was an itunes purchased video, therefore a protected file.
Does anyone have any suggestions on how to fix this or what setting I should be using, doing with Mpeg Streamclip to fix this problame if this program can fix this issue ?
Windows XP
Windows XP
Windows XP

yes i have exactly same problem. Was all working fine till I upgraded to iTunes v8.1.
TV shows, everything works fine... its just music videos dont show the video, no matter which setting I choose?
Help please!!!

Audio levels low in final cut pro 5

my levells seem low in final cut, tho the master fader of the audio mixer is set to its default zero. I know they are low too because i made omf files from my time line having boosted the levels, which still had to be boosted considerably in the final mix suite. The audio levels on the camera tape were recorded fine. can anyone help?

The audio clip beeps if it is not in the standard format for FCE.
The standard format is PCM Stereo 16bit integer 48kHz.
If the audio is not standard you must render the clip in FCE (Render Only/Item Level or Render All/Item Level) before editing.
The best way in any case is to import audio already standard.
Piero

What are the iTunes digital audio levels in and out

I am having a lot of trouble with finding out and setting the audio levels in and out of iTunes.
Digital audio has 16bits at '1' with an analog signal level of +12dB, 24bit has all'1's at +18dB. Making the overhead capability for CD 16bit 12dB and that for HD 24bit 18dB.
I would like to record (using SoundStudio) a set of standard audio tones from 20-20kHz with digital levels of "all 1's" 16bit, or +12 dB analog level, "all 1's" 24bit ditto, and the same for levels of analog 0dB (-12dB digital) for 16bit and 0dB(-18dB digital) for 24bit.
What I am finding is that if I get Sound Studio to inert a tone at what it calls 0dB, save it as AIFF, then the output it from iTunes I get a much higher level, around +8dB or so!
Any ideas?

As an addition to my first question. I asked the makers of Sound Studio about levels. They tell me that the Mac standard is to have all '1's in the digital stream defined as 0dB.
Which helps as I can now record a tone at the CD level of -12dB and the HD audio level of -18dB. And if I make recordings I know to keep the input levels well into the green, not yellow and definitely not up to the red.
As you say the output of iTunes is boosted, and from my measurements this boost is in the analog circuitry and is about +8dB.
I woul dnot recommend turing down the iTunes volume control as this brings in the digital volume reduction, which depends on the algorithm they have implemented. This is not so bad for iTunes as the Audio Core software works at 32bit and can handle 16bit volume changes fairly well. But on the iPad it is different as iOS is only 16bit audio so the volume algorithm is poor. So always leave the volume at maximum and turn down your HiFi volume control!
Or use a digital output to an external DAC as the iTunes volume control is then disabled. Set Audio MIDI for 24bit output and you are ready to go with HD Audio.

Audio levels different from camera to Premiere Pro

Why is it that the audio levels on the camera can show the subject peaking right above -10dB, but when I bring the clips into Premiere, they are below -12dB and I always have to boost them?
Just to test this, I cranked up the volume on our camera's inputs to the point where it was clipping. When I took this clip into Premiere it still wasn't hitting 0dB. It was peaking into the yellow, even though the clip was completely distorted because of the clipping coming into the camera.
Is there a way to calibrate either Premiere Pro or our camera so that they match, so when you are peaking at -6dB on the camera, it's the same in Premiere Pro?
I know the solution probably involves a tone generator being used with the camera, which we have, but I'm not exactly sure what to do.

>I cranked up the volume on our camera's inputs to the point where it was clipping. When I took this clip into Premiere it still wasn't hitting 0dB. It was peaking into the yellow, even though the clip was completely distorted because of the clipping coming into the camera.
What I think is you have run into is definitions of the dB. One has dBm and dBV in the electrical world, among a lot of others (for example sound pressure/power and different types like dBA, dBC, and so on within sound levels).
Anyway, to make this not to be a too deep lesson in deciBel (dB), it seem like your cameras define 0dB to be something different than what Premiere defines it to be. The dB presentation (what the display shows) is a logarithmic number depending on a reference level, meaning in this case, if the voltage (sound turned into electricity) hits for example 1 Vrms then we'll call that 0dB (which is probably what Premiere does, and maybe your camera uses 0,775 Vrms as 0dB reference).
Clear as mud so far, right, just wait for the following. Just kidding, but look up decibel in google, and you'll find a pretty complex world.
Bottom line:
I don't think you can get the dB levels in Premiere and your cameras to match, unless your cameras have a setting that defines the 0dB level. The best you can do, in my opinion, is to learn the difference and go from there as you have ("I always have to boost them"). But, also remember that if you do some audio stuff in Premiere that you want to record back onto tape, you'll have to go the other way, lessen the audio level.
Reference levels made by a tone generator is a fine way to learn the differences.
Dag
EDIT: Allthough it probably is a definition question, just never let your camera go over 0dB. As you have noticed, it will be distorted sound. The electric circuits on your camera won't handle over 0dB well.

Audio Levels

I now I can boost the audio levels in the timeline
but what is a good range for the recorded audio levels
when they first come in to FCP ?
I have footage that's coming in at -2.4 dbs and peaking
a little above that and under -1.8
I assume this is lower than optimum
thanks

The dynamic range of your mix is dependent on the final viewing environment. For example, movie theaters have large, relatively expensive sound systems that can reproduce a large dynamic range. Television speakers are much smaller, and often the listening environment has more ambient noise, so very quiet sounds may not even be noticeable unless the overall signal is compressed and the level increased, which reduces the dynamic range.
For example, television stations normally accommodate only 6 dB between the average loudness and the peaks. Dolby Digital feature film soundtracks, on the other hand, can accommodate up to 20 dB between average and peak levels. This is why loud sounds in a movie theater sound so loud: they are much louder than the average level.
When you mix your final audio, you choose a consistent reference for the average level. When you choose the average reference level, you are actually choosing how much additional headroom you have before your signal distorts. The higher you set the average level, the less safety margin you have for peaks in the signal. This means that the loudest sounds in your mix cannot be much louder than the average levels, and so the mix is less dynamic.
Acceptable amount of dynamic range:
Theatrical Dolby Digital 20 dB
Average videotape 12 dB
Television broadcast 6 dB
If you set the reference level of the Final Cut Pro floating audio meter to –20 dBFS, you have nearly 20 dB of headroom, since 0 dBFS is the digital limit for the loudest sound. If you set the reference level in your sequence to –12 dBFS instead, you have less headroom. Even though the average level of your audio is higher, there won’t be as much dynamic range.
How much dynamic range you allow in your audio mix depends on its ultimate destination. If you’re editing a program for TV broadcast, a reference level of –12 dBFS is fine, since you are only allowed 6 dB of dynamic range anyway. But if you’re working on a production to be shown in movie theaters, consider using a reference level closer to –18 or even –20 dBFS (both of these are frequently used standards).
Remember that the ultimate goal is to ensure that audio doesn’t peak over 0 dBFS in your mix (as displayed in the Final Cut Pro audio meters) and won’t peak over +3 dB or so on an analog meter.
With a little help from the Final Cut Pro User Manual, "Audio Levels, Meters, and Output Channels". Pages 58 - 59.

Imovie6/itunes audio level question

i'm cutting a piece in imovie6. the audio attached to the video clip was recorded rather low, not too low, but a wee bit an the quiet side. i want to boost and level off the audio. on several boards the suggestion was to send the audio track via the imovie/ilife share menu to garageband where i could boost the audio level while adding a dose of compression to remove some of the now raised noise floor. i have tried this 2x and have not noticed/heard the difference (which should have been apparent). after garageband the path back to imovie6 is via itunes. in itunes i have been able to successful boost the audio via the get info box->options and raised the levels while also incorporating the "spoken word" setting in the equalizer.
the question is: are the itune "changes" on the audio track or only via itunes playback? in other words, if i burned the louder audio track to a cd would the itune "changes" be there? or will those "changes" only be present when i play the track thru itunes.
i hope my question is not too confusing.
thanks in advance to those who care to share.
be well
rob

I've not tried this and my system is busy, but...
Have you tried panning the first clip to center, then control-click on that clip, choose 'copy', then lasso the remaining clips, control-click, paste attributes?
Not sure it works for panning audio, so let us know.
K

Flash Video- audio level adjustable?

How do you boost the audio level on .flv video files? I have
encoded the original .avi video using the Adobe Flash CS3 Video
Encoder, created the FLV player within DreamWeaver, and then
published the site. The audio is barely audible. The audio level of
the original file was fine.

thanks man, ive fixed it now thats why you can see them,
really apreciate you having a look tho, thats our new compilation
CD coming out soon.
if anyone is intersted, the problem was a mime setting on
windows server 2003, you need to add a new MIME type in the IIS.
Cheers

Boosting audio Levels

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