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Sonobus, AudioLayer and Auto-Sampling from your Desktop!
I have been wanting to make some mobile versions (for my use only) of some favorite desktop sample libraries to use in AudioLayer. Audiolayer has a great auto-sampling capability but to maintain the best audio quality, I didn't want to have the audio going through two audio interfaces on its way into the auto-sampler.
I just discovered SonoBus from Sonosaurus (that brought us ThumbJam and DrumJam) -- a free network audio utility. And it works great for this.
Sonobus can be found from:
https://www.sonobus.net
The basic setup. On your desktop, have the SonoBus plugin on the channel strip that you want to route back to your iPad after the instrument that you want to sample.
On the iPad, load up AUM. Put the SonoBus AUv3 on a channel strip (there won't be a source on the channel strip because SonoBus is an effect and has to be in an effect node). Put Audiolayer mfx version after SonoBus.
Route AudioLayer to a midi output that is connected to your desktop computer and voila!
Comments
Nice, quick and dirty way for sampling. Need to give this a go, thanks.
Thanks for the tip. Well appreciated. bought AudioLayer yesterday and had so many issues loading an SFZ that I finally deleted it in pure annoyance, but, I did not try to refund it as I've read so many positive stuff and therefor knew: the problem is me
. Hope this can work although I'm on windows 
If you are having trouble importing sfz's sharing somd details might help us help you. Sometimes if has taken a few tries for me to import but once the instruments have been created, I have found it to be reliable. Knowing your hardware and OS can help, too.
Yeah, I know and appreciate that. Thing is I read your solution of moving the files from the cloud to the actual iPad storage. Problem was the files I was trying to import was too big (ivy audio Piano 162 or something like that), I'm really on thin ice when it comes to storage as I only have a 64gb. I'm a graphics man more than music and both "hobbies" are real demanding on space. I'll sort it somehow, thank you so much.
Fwiw, I think Salamander is superior to Ivy despite using fewer samples.
Also, you need the storage free on your iPad even if instrument is on the iCloud Drive. iCloud Drive files use local storage while in use.
Oh I see, I'm really relying on having the "offload unused apps" function, and using iCloud and Dropbox when possible. Maybe it's stupid to have it like this I know for sure it wouldn't work on windows which always want a lot of empty space to function.
I will try the salamander (have it as SF2), thanks again.
About Sonobus, do you think e.g Impulsation also could receive files in a similar manner? I have inside Reason very cool IR files (RV7000) if they can be exported though, I'm not so sure.
I was searching for a such solution for exactly same needs, great!!! Thanks for sharing.
@espiegel123 anything AudioLayer provides that ups the ante compared to SynthJacker?
I don't have Synthjacker (which is only an auto-sampler and not a sample player). So, I don't know what auto-sampling features it has that AudioLayer doesn't other than sj can generate a midi file that you render elsewhere and can chop up the resulting file.
If I had synthjacker, too, I would use that latter feature as it would be much more time efficient.
Ah okay thank you. Yes the midi file generation is very quick. I’ve tried to use the nanostudio workflow with this as the “sample player” but I’m wondering if AudioLayer would be better suited as a “modular” type solution.
Do you have AudioLayer?
The reason to own it is if you need a powerful multisample player that can disk stream and has velocity layers. It can play large instruments that exceed available memory.
It is the only serious AUv3 multisampler on iOS as far as I know that let's you load your own instruments.
@espiegel123 I’m considering it with the sale. Would this be low enough CPU to run 16 instances easily within AUM? My workflow is usually Xequence + AUM
What hardware? How many instances would probably depend on how large the instruments are.
@mjcouche : I would guess that 16 instances of a sampler is too much to ask of most (any?) iPads but I only have an iPad 6.
@espiegel123 couldnt resist. Already got it. Ipad 2018. I’m thinking mostly 3-layered instruments.
The number of layers is only one aspect. Also important is the note range and and the distance between notes you sample as those impact the number of samples. Also how long the samples are. Most drum hits, for example, are short. But a piano’s samples might be 15 seconds each.
Good point. Most of these would be “replacements” for things that are resource heavy like iSymphonic. So closer to that 15 seconds, maybe every third note
I can't find the Sonobus app in the AppStore, really want to try that.
So .... Can i send audio from iPad to DAW via AUv3 in my DAW like stream ?
It’s on their website and a link to the public Beta.
https://testflight.apple.com/join/TA0TGUGb
After numerous failed tries to import ESX and SFZ, I've soon come to rename my samples after AL's sample naming scheme in order to make sample import a straightforward process. With the correct names, the samples will all be placed at the right key and velocity range positions. Also I'm always working locally, I don't have the network connection to use clouds for large sample sets.
Where do you find the naming conventions for Audiolayer? I haven’t yet used Audiolayer in detail.
See: https://wiki.audiob.us/doku.php?id=audiolayer
EDITED TO ADD UPDATED INFO FOR AVOIDING LEADING SILENCE
There will be latency (resulting in some time between when AudioLayer sends the MIDI note and when the audio gets back to your iPad) when using Sonobus. You can set the auto-sampling parameters so that there won't be leading silence at the beginning of the samples. To make sure that there isn't leading silence, set the sustain time in the autosampling settings long enough that the notes will have faded to silence. The default threshold is -80db. Play around with this setting for the optimal result. I would start by setting the autosampler so that it only samples a few notes until you have the settings ideal.
If you need to trim silence from the beginning:
On desktop, Twisted Wave can do the trimming as a batch process. I don't know of any apps on iOS that can automate that sort of trimming -- though I have put in a request to Auditor's developer.
Thanks for this. Gonna read up on it in a bit.
I updated my note above about setting things up so that you don't need to trim leading silence that results from latency