Support and General Use > Audio Playback, Database and Playlists

TTA (True Audio) codec

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dumbears:

--- Quote from: BigBambi on April 02, 2008, 08:30:47 AM ---Out of interest, what format do you miss?

--- End quote ---

Sorry for cutting in.  I just saw this post.

I wonder if it's possible to get TTA (True Audio) format into Rockbox.

markun:

--- Quote from: dumbears on April 08, 2008, 07:11:12 AM ---I wonder if it's possible to get TTA (True Audio) format into Rockbox.

--- End quote ---

I think it is. Looks like normal ANSI C without mallocs to me:

http://tta.sourceforge.net/codec.hardware

From their site:


--- Quote ---The True Audio (TTA) - is currently the only lossless codec that accomodates the possibility of real-time hardware encoding.
--- End quote ---

Doesn't rockbox encode to wavpack in realtime?

GodEater:
Last I heard it did yes...

bascule:

--- Quote from: http://tta.sourceforge.net/codec.hardware ---The True Audio (TTA) - is currently the only lossless codec that accomodates the possibility of real-time hardware encoding. TTA offers the best performance of any of the lossless codecs that support hardware playback.
--- End quote ---

I wonder if they mean something else by hardware encoding. This picture from their site seems to indicate that encoding performance is pretty equal, with the exception of FLAC, but they are all well above real-time.



Their quote above also mentions hardware playback (presumably decoding), but with no pictures to back this up. I know that FLAC is slower in encoding because it is specifically designed to be very efficient and therefore lightweight in decoding.
So what exactly do they mean by their claims of super efficiency for hardware support; actual encoder/decoder chips?

* bascule is confused

Llorean:
Maybe it means it in the same context as a "real-time OS"?

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