Hello Nunos, I just joined https://groups.google.com/forum/#!forum/andraudio I think that is a good place for discussion. If you repost your questions there then I will try to answer them. Phil Burk
On Wed, May 25, 2016 at 6:15 AM, Nuno Santos <nunosan...@imaginando.pt> wrote: > I have been testing DRC in 2 different Android devices: Nexus 9 (48000/128 > buffer size) phone, Bq Aquaris M5 phone (48000/912) buffer size > > Nexus 9 is a beast. I was able to run DRC with full polyphony (8 voices) > without any kind of glitch. The fake touches hack was essential to make > this happen. Without the fake touches hack I would hear glitches. > Bq Aquarius M5 has a very similar processor to Nexus 6P and I couldn’t > have more than 2 voices running without having some glitches. > > All DSP code is C++. Reverb, Delay and Chorus represent half of the > processing effort the rest is for active voices. > From my experiences I couldn’t see any kind of effect in performance by > compiling the code with NEON enabled. For example, on my Bq phone for a 912 > buffer size at 48000 my processing code would take the following time with > the following flags enabled: > > -Os - ~5ms > -O3 - ~5ms > -Ofast - ~5ms > -Ofast -mfpu=neon - ~5ms > > No significant changes in performance with different flags. What kind of > flags are you guys using for your Android apps? > > I don’t need to worry with this on iOS though. It simply works! > > Regards, > > Nuno Santos > Founder / CEO / CTO > www.imaginando.pt > +351 91 621 69 62 > > On 25 May 2016, at 12:24, Jean-Baptiste Thiebaut <jean-bapti...@roli.com> > wrote: > > At JUCE / ROLI we've been working with Google for over a year to optimize > audio latency, throttle, etc for cross platform apps. Our app is featured > also in the Youtube video from Google IO, and it runs on some devices with > performances comparable to iOS. > > Whether you are using JUCE or not, you're welcome to post on our forum ( > forum.juce.com). > > Sent from my mobile > > On 25 May 2016, at 11:57, grh <g...@mur.at> wrote: > > Hallo! > > Thanks Nuno, it was a great demo ;) > > LG > Georg > > On 2016-05-25 12:46, Nuno Santos wrote: > Hi George, > > I would be interested in such a community as well. Specially regarding > audio performance. We have recently released DRC (one of the apps that > has been featured on Google I/O Android High Performance Audio) and we > are mostly interested in squeezing performance out of it. It is > incredible the performance differences between iOS and Android. The DSP > code is shared among both and I still have glitch problems in Android > powerful devices. > > One option could be creating a slack channel. > > Regards, > > Nuno Santos > Founder / CEO / CTO > www.imaginando.pt <http://www.imaginando.pt> > +351 91 621 69 62 > > On 25 May 2016, at 11:36, grh <g...@mur.at <mailto:g...@mur.at <g...@mur.at>>> > wrote: > > Hallo music-dsp list! > > Sorry for being off topic, but does someone know an active discussion > group / mailing list about android audio? > (There is quite a lot of progress lately, see for example [1]) > 5 years ago a list was announced here [2], which does not seem to be > active anymore ... > > We just created a simple android audio editor [3] and would be very much > interested into a discussion of common infrastructure like audio > plugins/effects (like SAPA from Samsung) or copy/paste between audio apps. > I think that would be important for the audio ecosystem on Android. > > Thanks for any hints, > LG > Georg > > [1]: https://www.youtube.com/watch?v=F2ZDp-eNrh4 > [2]: > > http://music-dsp.music.columbia.narkive.com/zbYgicxy/new-android-audio-developers-mailing-list > [3]: > https://play.google.com/store/apps/details?id=com.auphonic.auphonicrecorder > > -- > auphonic - audio post production software and web service > http://auphonic.com > > _______________________________________________ > dupswapdrop: music-dsp mailing list > music-dsp@music.columbia.edu > https://lists.columbia.edu/mailman/listinfo/music-dsp > > > > > _______________________________________________ > dupswapdrop: music-dsp mailing list > music-dsp@music.columbia.edu > https://lists.columbia.edu/mailman/listinfo/music-dsp > > > > -- > auphonic - audio post production software and web service > http://auphonic.com > > _______________________________________________ > dupswapdrop: music-dsp mailing list > music-dsp@music.columbia.edu > https://lists.columbia.edu/mailman/listinfo/music-dsp > > > -- > > > *ROLI's **award-winning* > < > http://www.telegraph.co.uk/luxury/design/31520/the-seaboard-grand-piano-wins-designs-of-the-year-2014-award.html>* > Seaboard > GRAND, celebrated as the "**piano of the future* > < > http://edition.cnn.com/2013/09/27/tech/innovation/hans-zimmer-seaboard-future-piano/>*", > > is now joined by the **Seaboard RISE* > <https://www.youtube.com/watch?v=fGr7VbDiRNw>*, "**every bit as slimline > and attractive as its bigger brother* > <http://www.soundonsound.com/news?NewsID=18726>*". 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