[opus] Real hardware for opus

Jean-Marc Valin jmvalin at jmvalin.ca
Sun Dec 15 12:47:17 PST 2013

On 12/15/2013 03:38 PM, Carsten Mattner wrote:
> So an iPod made in the last 4 years has not even a dsp
> that's used for help in low-power playback of mp3?

DSP != special hardware. Opus runs fine on most DSPs. That being said,
many (most?) recent music players don't even have DSPs, they just do
everything on the ARM chip.

> What are my best options for a portable player I can
> put opus on and have 10 hours of opus playback?

Haven't tracked. Personally I'm using Rockbox.


> On Sun, Dec 15, 2013 at 6:10 PM, Jean-Marc Valin <jmvalin at jmvalin.ca> wrote:
>> The vast majority of audio players do *not* have special hardware for
>> MP3 and Vorbis. Decoding audio is so cheap that there's no reason to
>> bother with the trouble of having a dedicated hardware for it.
>>         Jean-Marc
>> On 15/12/13 07:25 AM, Carsten Mattner wrote:
>>> vorbis, mpeg1 layer 3  and more have special hardware support in
>>> audio players widely available but I can't find anything for opus.
>>> Is there any?
>>> If you try to use opus for music on the go it's a requirement to have
>>> for long battery life isn't it?
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>>> opus mailing list
>>> opus at xiph.org
>>> http://lists.xiph.org/mailman/listinfo/opus

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