Audiobus: Use your music apps together.

What is Audiobus?Audiobus is an award-winning music app for iPhone and iPad which lets you use your other music apps together. Chain effects on your favourite synth, run the output of apps or Audio Units into an app like GarageBand or Loopy, or select a different audio interface output for each app. Route MIDI between apps — drive a synth from a MIDI sequencer, or add an arpeggiator to your MIDI keyboard — or sync with your external MIDI gear. And control your entire setup from a MIDI controller.

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nave - warning - dc offset

I was able to record sounds from Nave (in the internal recorder) that had dc offset,
so you may want to look out for that ...

Comments

  • @Max23 said:
    I was able to record samples from Nave (in the internal recorder) that had dc offset,
    so you may want to look out for that ...

    how does DC offset happen? I've had it happen to my Gadget song exports on occassion...

  • Depends on the type of sounds used no?

    Messing with PWM and FM with waveforms where the majority of the content is on the 'one side' can make DC go haywire...

  • it shouldn't happen in software, its a bug.
    Usually it only happens when recording with audiointerfaces when the audio becomes digital.

  • edited May 2019

    @Samu said:
    Depends on the type of sounds used no?

    Messing with PWM and FM with waveforms where the majority of the content is on the 'one side' can make DC go haywire...

    I wasn't messing messing with PWM or FM,
    just noise and filter stuff, nothing to exotic ...

    @Samu

  • Put a high-pass filter behind it (just cut out everything below 10Hz or so) if you’re concerned about DC offset. B)

  • edited May 2019

    @brambos said:
    Put a high-pass filter behind it (just cut out everything below 10Hz or so) if you’re concerned about DC offset. B)

    I did (after I found it :) ) ;)
    my Audiosystem isn't able to make these artifacts listenable, (way to low)
    I just saw them in the analyzer and then had a closer look at the recording ...
    it wasn't much offset so I didn't notice at once, but enough to mess everything up ...
    the story began with why isnt this behaving as expected when I compress it ...

  • @Max23 said:
    it shouldn't happen in software, its a bug.
    Usually it only happens when recording with audiointerfaces when the audio becomes digital.

    Lots of EM software creates what people call DC Offset--which usually isn't actually DC offset. And most of the time when it happens it has no impact other than breaking normalization algorithms.

    In EM software, DC Offset usually refers to waveforms that aren't symmetrical with respect to 0. Most good audio editing software can remove it without impacting what the audio sounds like.

  • edited May 2019

    @espiegel123
    oh dc offsett can have lots of unwanted side effects
    there are lowfrequency artifacts in your signal that you can't hear and that eat up lots of energy below the ambitus humans are able to hear and most listening systems can't reproduce ...
    = bad bad not professional audio ;)

  • @Max23 said:
    @espiegel123
    oh dc offsett can have lots of unwanted side effects
    there are lowfrequency artifacts in your signal that you can't hear and that eat up lots of energy below the ambitus humans are able to hear and most listening systems can't reproduce ...

    Sure. They can -- I'm just pointing out that quite often they don't unless it is extreme.

  • edited May 2019

    without the dc offset it sounds punchy as it should :)
    because Im not messing with shit I can't hear
    I can make it way louder because no unwanted shit I can't hear eats up all the energy level of the signal ... :)
    you see its not only weird shit that shows up in the analyzer but doesn't matter ;)

  • looks like a good subject to add this to the audiobus wiki

  • @Max23 said:
    looks like a good subject to add this to the audiobus wiki

    Sounds good. Go ahead!

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