SOLVED THANK YOU clipping is a mystery

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joey90405
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2016/11/05 18:39:41 (permalink)

SOLVED THANK YOU clipping is a mystery

to me the concept of clipping is a mystery. i have such a hard time getting levels. i'm using superior drummer and it's really hard not to have the meters go into the red and still hear what i'm doing.
i just made a little experiment, i tracked all my drums to a drum bus then sent that to a master bus which goes out to the main stereo bus.
i pushed the volume way up where i can see the waveform "clipping". however, when i played it back i didn't hear that nasty clipping noise.
then i did one more thing, i recorded an audio (guitar) track where the meters maxed out for a couple bars. when i played that back there was no denying that clipping exists.
my question is, when recording a soft synth i.e. superior drummer does it matter if the meters go into the red? where recording audio that hot just does not work.
i would be very interested in what you all have to say about this.
post edited by joey90405 - 2016/11/06 17:28:34

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    ampfixer
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    Re: clipping is a mystery 2016/11/05 19:04:47 (permalink)
    I keep the levels around -8 or -6 when tracking and never worry about noise or clipping. Do a search on digital recording levels for lots of info.

    Regards, John 
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    #2
    chuckebaby
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    Re: clipping is a mystery 2016/11/05 19:05:59 (permalink)
    this is normal for recording midi. Audio is a different ball game.
    the meter on a MIDI track, that's not a "clipping" display - it's simply an "activity" display.

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    #3
    John
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    Re: clipping is a mystery 2016/11/06 11:14:28 (permalink)
    Well the reason you don't hear clipping when you play audio created within Sonar is due to floating point precision. Within Sonar either with the 64 bit or 32 bit audio engine going it is extremely hard to cause clipping. Keep in mind that digital clipping is the inability to go above 0 dB. That is no longer the case with FP math. When you record with your audio interface it is not Floating Point but integer math. So when the signals reaches 0dB it cannot go any higher and it is cut off at that point making the wave form resemble a square wave.
     
    Also even though Sonar can tolerate clipping not all plugins can.   

    Best
    John
    #4
    Bristol_Jonesey
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    Re: clipping is a mystery 2016/11/06 15:08:20 (permalink)
    Clipping audio tracks, whilst not at all desirable from a gain staging point of view, will NOT cause audible clipping UNLESS you are pushing your Main Outs above 0dB.

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    joey90405
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    Re: clipping is a mystery 2016/11/06 17:28:03 (permalink)
    wow!! thank you all for such good advice. some of the explanations are a bit too deep, math has never been one of my best things. however, i learned a lot from one question.
    again,
    thanks so much
    jp

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    chuckebaby
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    Re: clipping is a mystery 2016/11/06 20:32:36 (permalink)
    ahh I see you edited your first post. didn't say anything about audio when I responded.
    thought you were referring to midi clipping which isn't clipping at all.
     
    just keep in mind, even though you can push these levels to what seems to be clipping,
    don't forget about distortion. it will ruin your mixes and your mastering engineer will hate you

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    #7
    joey90405
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    Re: clipping is a mystery 2016/11/07 11:08:32 (permalink)
    @chuckebaby, i'm sorry if i appeared rude. i've been so busy trying to figure out why i can't get levels, this was never such a problem with X-2.
    like i said, i did an experiment where i did a drum track with superior drummer where i cranked the input and when i played it back it sounded fine, nice and loud. then i did the same thing on a guitar track using my amp modeler right into sonar, again, really hot. now that playback was unusable. i didn't know that clipping with MIDI and audio were not quite the same thing.
    i do appreciate all your advice. 
    jp 

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    chuckebaby
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    Re: clipping is a mystery 2016/11/07 11:32:53 (permalink)
    joey90405
    @chuckebaby, i'm sorry if i appeared rude. i've been so busy trying to figure out why i can't get levels, this was never such a problem with X-2.
    like i said, i did an experiment where i did a drum track with superior drummer where i cranked the input and when i played it back it sounded fine, nice and loud. then i did the same thing on a guitar track using my amp modeler right into sonar, again, really hot. now that playback was unusable. i didn't know that clipping with MIDI and audio were not quite the same thing.
    i do appreciate all your advice. 
    jp 


    ahh no need to apologize man, its all good here.
    im just glad you got this figured out
    peace.

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    #9
    robert_e_bone
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    Re: clipping is a mystery 2016/11/07 12:44:05 (permalink)
    I wish they had some different color on the midi tracks, because I cannot help but look at them when they show red.
     
    Bob Bone

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    ampfixer
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    Re: clipping is a mystery 2016/11/07 15:42:56 (permalink)
    You know Bob, I'd like it if they took the meters off of midi tracks and replaced then with an activity indicator instead. The meters showing O/L is a real nuisance.

    Regards, John 
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    Zargg
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    Re: clipping is a mystery 2016/11/07 15:51:56 (permalink)
    ampfixer
    You know Bob, I'd like it if they took the meters off of midi tracks and replaced then with an activity indicator instead. The meters showing O/L is a real nuisance.


    This is a great idea!

    Ken Nilsen
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    John
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    Re: clipping is a mystery 2016/11/07 16:42:22 (permalink)
    No don't take away my meters I pushed for them for a long time and when I got them I was and am happy. 

    Best
    John
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    ampfixer
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    Re: clipping is a mystery 2016/11/07 20:36:03 (permalink)
    I'm curious how you use the midi meters. Unlike audio meters I find the midi ones to be useless. Some pointers on how they can be used would be great.

    Regards, John 
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    John
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    Re: clipping is a mystery 2016/11/08 07:38:46 (permalink)
    For me they tell me when a MIDI track is actually sending data. They also give me an idea about what is being sent. The level is velocity and the red telling me an event is occurring. 
     
    They are not as useful as the ones in Logic or Cubase but they are far better than what we had before which was nothing.

    Best
    John
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    Zargg
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    Re: clipping is a mystery 2016/11/08 08:08:01 (permalink)
    Maybe they could make it an option?
    I get a little confused at times with the MIDI meters.

    Ken Nilsen
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    John
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    Re: clipping is a mystery 2016/11/08 08:12:45 (permalink)
    If you see numbers its an audio meter if not its a MIDI meter. 

    Best
    John
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    joey90405
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    Re: clipping is a mystery 2016/11/08 11:23:10 (permalink)
    again, thank you all for your advice and ideas, i agree with robert e bone, changing the meter format i think would be a good idea to change the colors because the red is distracting as hell. we're all so "trained" to stay away from the red like if an audio meter hit red one would get an  electrical shock or something. maybe that's a bit extreme.

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    chuckebaby
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    Re: clipping is a mystery 2016/11/08 11:38:29 (permalink)
    tough one for me because like John, I like the way it is now.
    but I also share the sentiments that Joey mentioned.
    "We're all so "trained" to stay away from the red".
     
    That's a good point.
    However, When recording Midi, its not really needed to have a correct level and when playing back Midi,
    who cares about the level (if its a SIT). unless of course its routed to an output track.

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    John
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    Re: clipping is a mystery 2016/11/08 12:05:29 (permalink)
    It is funny they chose red for the event display. 

    Best
    John
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    tlw
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    Re: clipping is a mystery 2016/11/08 12:52:02 (permalink)
    There are two different "types" of clipping.

    One is the kind overdriven guitar amplifiers and fuzz boxes do, which can be very musical. That's analogue clipping.

    The other kind is digital clipping, which happens when an incoming signal is so hot the convertor chip can't handle the volume. That kind of clipping sounds like harsh noise with no discernable audio content at all. To hear it hook up a microphone or any input source to your audio interface, max out the pre-amp gain and make some musical noise that results in the interface meters going well into the red and record the result.

    Some interfaces may have built-in limiters to prevent digital clipping, or pre-amp gain too low to create it. If yours is like that then find a youtube video of lots of broken bottles being thrown into a steel bin and play it as loud as you can stand. That will come fairly close to what digitally clipped audio sounds like.

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