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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Any iOS app that can slice samples and have the slices timestretch in sync to changes in tempo?

Does anyone know of an iOS app that's capable of slicing a sample loop and allows you to sequence those slices (from internal sequencer or from another sequencer app via MIDI) AND have the loop/slices timestretch in realtime in sync to global tempo changes?

It doesn't seem like such an app exists which is understandable since it doesn't really seem to exist in the desktop world either but I think it would be a holy grail feature for those who chop and sequence sample slices a lot and also like to experiment with changing the global tempo while composing.

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  • edited September 2013

    I guess you could use Samplr via Audiobus to Auria or Meteor which both have timestretching and pitchshifting. Looper has timestretching also.
    https://itunes.apple.com/us/app/samplr-touch-the-music/id560756420?mt=8

  • edited September 2013

    I thought Beatmaker2 did that. Maybe I'm not understanding the question.

  • edited September 2013

    It does exist in desktop, Ableton.

    If I'm understanding your question correctly, I don't know of only one single app so I use Audioshare or Hokusai to trim the sample then transfer to Looptastic to sync. Loopy does this as well. If there's an app that does all this, I'd like to buy it as well. No MIDI though

    In BM2 it doesn't timestretch automatically (unless there's an update I missed). You have to do it to the sample itself which is time consuming when you just want it to sync automatically

  • The key ingredient in my question is realtime timestretch, as in the audio will stretch (or warp like Ableton Live does with its elastique audio, although once you slice in Ableton Live, the slices will no longer warp) instantly as you change the global tempo. Please correct me if I'm wrong but apps like Samplr, Auria, Meteor, Beatmaker 2 all have offline timestretch not realtime timestretch, right?

    The only iOS app that I'm aware of that does realtime timestretch (other than the ones that only do just that and not much use for anything else like Beat Time) is Loopy. But Loopy doesn't slice and is limited to 12 sample slots even if I was to import slices from elsewhere, so not ideal and would add unnecessary steps to the workflow. The whole point of searching for a solution to this is so that I don't have to re-timestretch and slice loops again every time I want to change around the global tempo.

  • Beat Twirl has some of these features...I don't know how feasible it would be in real-time though....

  • edited September 2013

    I looked at Beat Twirl but it doesn't have realtime timestretch either. It also doesn't have any MIDI support for triggering its slices anyway.

    The only thing that comes even remotely close in iOS but still not there is SunVox. While SunVox doesn't "slice", you can trigger sample offset within the effect parameter column of its tracker pattern editor:

    You can also do a crude realtime timestretch in sync to global tempo changes by using up the same effect parameter column:

    The only problem is you can't do both sample offset triggering and timestretching at the same time since each effect needs to use the same effect parameter column.

  • edited September 2013

    So it appears that one iOS app that I've overlooked that does do realtime timestretch of loops is Studio.HD. It also supposedly does slicing of loops too but I haven't been able to find any evidence of that or how it does it and whether the resulting slices will still timestretch in realtime to BPM changes even after being sliced.

    Anyone here have experience with this app?

  • I have it, and quite like it, but don't have it currently installed. It's a dead product AFAIK, and it doesn't have Audiobus (and is no longer developed), so it isn't as real time as one would think. Also, I don't remember it doing any kind of slicing. It did good quality time stretching

  • Yeah, I'm realizing that the "slicing" people are referring to with Studio.HD is the regular ability to "split" audio like shown here: http://apps4idevices.com/wp-content/uploads/2012/05/studio.HD_.007-001.jpg

    instead of the automatic sample chopping by intervals/transients like I'm talking about.

  • edited September 2013

    I guess it's not too surprising that no such app exists that meets all of the above criteria in iOS since no desktop really does either.

    Ableton Live for example has the Slice To MIDI automatic slicing feature but it loads all the slices into either Sampler or Simpler inside its Drum Racks and once that happens the slices will no longer timestretch (warp) in sync to global tempo changes because Ableton Live's Sampler or Simpler do not have timestretch ability. One option in Ableton Live to get close is to just use its session view audio clips and "chop" manually into multiple clips instead of using the automatic Slice To MIDI feature. That way, your manually chopped clips will warp to global bpm changes. The problem with that is that in order to sequence those manual slices you have to resort to a virtual MIDI loop workaround which is clunky. Another option that may actually be a solution which I haven't explored yet is using Max 4 Live. It looks like there's a few Max 4 Live tools that allows you to do automatic non-destructive chopping of Live's session view audio clips and even allow for sequencing those "slices" from within Live. And because it's still using session view warped audio clips sliced non-destructively, they'll still timestretch in sync to tempo changes.

    Another desktop app that comes close is Renoise, which like SunVox mentioned above is a tracker and features sample offset triggering as well as automatic audio loop slicing that can be sequenced. Renoise also has a Loop Sync feature that lets any audio loop to do realtime pitchshift (but not timestretch) in sync to global tempo changes. With this, you can kinda fake realtime timestretch by using another pitching plugin on top of the realtime pitchshift.

  • Solid info! Thanks for this!

  • edited November 2013

    @shortbus - Try out the Fxpansion Geist software. Ok it's a desktop app, but it's very cool!
    I want it on ios!!! I'm searching for an app like you, I've tried the samplr, it's not bad, but it's still a toy...or....you must buy an Elektron Octatrack. It's expensive, but in live situation unbeatable. I think the ipads are toys to making serious music. No audio input, outs are limited and so on..

  • We've made tons of similarly wild requests of the developer of Nanostudio for the next version, but none of us know how much of it will be pulled off or when it will.

  • well since you brought up desktop software, anybody here have the new ableton live 9? Just got it today and excited to see how i can incorporate it into my ios workflow. Cant remember the exact feature name but theres a way you can beatbox and it'll lay out the midi for you in the exact tempo. Badass! Now that would be cool for ios.

    @venyusz - i've felt your frustration with ios being a toy at times but when i started looking at ios as an additional tool in my arsenal vs being my end all be all solution, I felt a lot happier and started appreciating it's benefits. I tend to feel very creative on the train and being able to sketch out a nice demo on my phone is pretty cool. Ive never felt that way with my laptop on a train

  • edited November 2013

    @gjcyrus - ok this is of course a matter of taste. I have always been playing music live, and so I like melodies, good vibes, grooves etc...I really don't like the glitches and noises what the iPad musicians are usually doing...but it's really a matter of taste..

  • edited November 2013

    haha, bro i played out for years for pabst beer and nachos at various clubs in SF. Guitar, bass and drums. But in one context are you criticizing ipads? If you're talking about playing live, yeah I agree. But this is the audiobus forum which to me means its for recording, not playing live. But if ur talking about recording, there is no way you could get the quality of recording in ios in a computer setup. I used to also have a tape machine and as much as i loved it, it was a bitch to transport much less making it portable. Tascam 4tracks were run but unless you're doing punk, you cant make a nice sounding demo on one.

    while i will criticize ios music apps every now and then, I'll also defend it too. How can you compare a $20 bm2 to a $1000 mpc? $200-$500 Pro Tools/Ableton/Logic vs $50 auria or $20 multitrack daw? Theres never been a better time to be a broke musician

  • Looks like my prayers have been answered!: http://www.ndvr.co/mosaik

  • 'Theres never been a better time to be a broke musician' that's a good line @gjcyrus

  • Nanostudio has a nice overlooked feature.

    If you have a perfect loop, and load it in the keyboard sampler, you can enter the number of slices you want, and if you play the keys is like slicing it on ableton.

    Then you place 16th notes on your piano roll and job done. It's really simple to use and pretty powerful.

    It doesn't do transient detection though.

  • As for ableton, you can just drag a loop in the arrangement and slice by hand into 16 pieces then re-order. There's also a parameter called offset in modulation envelopes that allow you to trigger different parts in the loop. Bith technique remain timestretched.

  • @paradiddle said:

    As for ableton, you can just drag a loop in the arrangement and slice by hand into 16 pieces then re-order. There's also a parameter called offset in modulation envelopes that allow you to trigger different parts in the loop. Bith technique remain timestretched.

    Also fun is doing as you said and then in session view you can change the follow function to randomize which slices play. Pretty cool

  • Yes! Bring in max for live and it's a whole new ballgame.

  • @alexbuga said:

    Nanostudio has a nice overlooked feature.

    If you have a perfect loop, and load it in the keyboard sampler, you can enter the number of slices you want, and if you play the keys is like slicing it on ableton.

    Then you place 16th notes on your piano roll and job done. It's really simple to use and pretty powerful.

    This is indeed really fun. Can be used on beats or melodies (to remix) or whatever. Be sure to add at least a tiny bit of attack and release as it doesn't smooth the edges automatically.

    You can also modulate sample start and length with an LFO or XY pad for more random cut ups.

  • I think he wants the loop to still use timestretching after slicing. Haven't seen any ios apps that does that. It is doable in ableton though like the previous message I posted.

  • Aside from the ability for the slices to timestretch in realtime after slicing, another crucial feature I'm looking for, as stated in the OP, is being able to sequence those slices (from internal sequencer or from another sequencer app via MIDI).

    There's no indication whether Mosaik will allow for sequencing of slices.

  • p@supadom said:

    'Theres never been a better time to be a broke musician' that's a good line @gjcyrus

    I kid you not, when the very first Roland 16 bit VS-880 digital recorder came out, I took a loan out against my shitty Toyota Corolla to buy it for about a $1000. Youngsters have it better nowadays

  • Yeah, I bought an AKAI DPS12 HDR for a similar amount.

    I know a guy who is still making excellent albums on his Roland VS-880.

  • @shortbus Yes you are right. That's why I was saying it might be worth to look at. There's isn't much info about it. Pretty much just a guess.

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