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2018 Jul 01
1
OPUS on cortex M4 (Nicolas Ehrenberg)
...ents of opus digest..."
Today's Topics:
1. Re: OPUS on cortex M4 (Timothy B. Terriberry)
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Message: 1
Date: Fri, 29 Jun 2018 14:41:07 -0700
From: "Timothy B. Terriberry" <tterribe at xiph.org>
To: Ehrenberg Nicolas <enicolas at student.ethz.ch>, "opus at xiph.org"
<opus at xiph.org>
Subject: Re: [opus] OPUS on cortex M4
Message-ID: <4ad369bd-a04a-de38-67fe-855565891973 at xiph.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Ehrenberg Nicolas wrote...
2018 Mar 01
1
Opus implementation on Nordic chip
Hi
I’m currently trying to implement the Opus codec on a nRF 52 DK (from Nordic). One main goal of my project is a low power application that can record and send audio data (16+ kHz) over BLE. Therefore, the Opus audio codec would be suitable to encode audio data, send it over BLE and decode it on another chip.
Unfortunately, I have some trouble implementing it.
There are different parts to the
2018 Jul 02
0
OPUS on cortex M4
"Ehrenberg Nicolas" wrote:
> Thanks for the reply.
> For my application I unfortunately need a better signal reconstruction. It's
> not necessarily a problem that the constant DC voltage is removed, but the
> audio signal will need to be more exact because it's also studied visually....
2018 Jun 29
1
OPUS on cortex M4
Hi everybody
I wrote a couple of months ago about implementing the opus codec on a DK52 from Nordic (nrf52832 MCU, Cortex M4). In the meantime I got a bit further and would again like to ask some questions.
My settings:
I included all the opus files into my project (opus-1.2.1)
Defined: FIXED POINT, VAR_ARRAYS, DISABLE FLOAT API, OPUS_BUILD, CELT_MODE_ONLY
I am able to allocate enough memory