[Vorbis-dev] RE: Vorbis-dev Digest, Vol 8, Issue 7

Song Shaopeng
Wed, 12 Jan 2005 20:32:15 -0000

Martin, hi,
Also my first words to this list.
I ported vorbis 1.0 decoder to our company owned DSP core, it costs about 40
MIPs
for worst case decoding. This is full assembly implementation.
I also heard there's ARM implementation with about 70Mhz.
Good luck to your projects!

Regards,
SeanS
>Hi!
>
>I'm new to this list. I work at a game development company, and we are
>considering Ogg Vorbis for the audio in a cell phone game. Does anyone
>here have any figures or educated guesses on how much CPU power the
>decoding requires? I guess Tremor is the decoder to use, as the CPU
>doesn't have a floating point unit, but will it be possible to use it
>for playing background music in a cell phone game?
>
>The target platform has an ARM at around 100 MHz. Any ideas about how
>much of the CPU would be used for decoding? Is it faster to decode lower
>bitrates and/or lower sample frequencies?
>
>Thanks in advance for any pointers or information. I'm grateful for any
>information.
>
>Martin Vilcans
>System Architect
>http://www.jadestone.se
>
>
>
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>End of Vorbis-dev Digest, Vol 8, Issue 7
>****************************************

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