Re: [music-dsp] Android related audio group / mailing list?

Hi Nuno, Thanks for this opportunity to allow me to help you understand audio latency on Android better. Contributions to total round-trip audio latency on Android are best thought as stemming from two parts. A) Android service space (AudioFlinger etc) ← developers and middleware cannot affect

Re: [music-dsp] Android related audio group / mailing list?

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 wrote: > I have been

Re: [music-dsp] Android related audio group / mailing list?

Patrick, Now that I had the chance of using Superpowered all I can say is that it doesn’t make miracles. It will not provide lower latency than OpenSL already gives. Android latency problem is much OS and device dependent. Looking forward to understand what is new and if it will bring any

Re: [music-dsp] Real-time DSP Experience with Python

On Wed, 25 May 2016 09:29:30 -0300 Eder Souza wrote: > Python is known as a friendly language, rapid developments, but with poor > performance, I've never seen anyone here saying that tried something in > real time using python, so I decided to test using some lib's (numpy,

Re: [music-dsp] Android related audio group / mailing list?

Speaking of Android, we just released a fully configuarable and performant USB Audio and MIDI library for Android. It’s the Android equivalent of iOS Core Audio and Core MIDI for USB devices. http://superpowered.com/android-usb-audio-android-midi The Superpowered USB Audio and MIDI SDK provides

Re: [music-dsp] Android related audio group / mailing list?

Also, only way to actually know if your compiler generates Neon is to ... read the assembly! Some common DSP tasks are implemented in the Ne10 library  http://projectne10.github.io/Ne10/doc/ which compiles to Neon on systems that support it. I have seen that nova_simd is good at generating neon

Re: [music-dsp] R: Real-time DSP Experience with Python

Hi, This demo is running using buffer=4096 (this provide a good resolution for numpy compute an FFT), I need stream with a buffer=3072, and its left the remaining samples(1024) to overlap and add again when the new frame arrives. So it is a big buffer size, but numpy and pyaudio seems fast for

Re: [music-dsp] Android related audio group / mailing list?

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

Re: [music-dsp] Android related audio group / mailing list?

Hi, I do not see drives in the andraudio group since he migrated to [1] Some years ago I tried see how some of my codes works in android, I wrote effects to work in real-time (automatic pitch correction, time stretch, pitch shifters in time domain and frequency domain) and I get a lot of

Re: [music-dsp] Android related audio group / mailing list?

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,

Re: [music-dsp] Android related audio group / mailing list?

Hello,I watched the google/android video the other day and I was very surprised of the basic recommendations that were given to developers:- use native sampling rate (don't hardcode sampling rate, request it from the device) - use native buffering (don't hardcode it. But then maybe use double or

Re: [music-dsp] Android related audio group / mailing list?

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