Talk:EA Command And Conquer 3 Audio Codec: Difference between revisions
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Suxen drol (talk | contribs) No edit summary |
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* Nope, it's an EA's own mpeg l3 variation with interleaved uncompressed fragments. Nothing new, it was used in NFS:U2 already long time ago. --[[User:VAG|VAG]] 16:38, 7 March 2007 (EST) | * Nope, it's an EA's own mpeg l3 variation with interleaved uncompressed fragments. Nothing new, it was used in NFS:U2 already long time ago. --[[User:VAG|VAG]] 16:38, 7 March 2007 (EST) | ||
* Is there a description of this variant of the MP3 codec anywhere? Or is there some tool I can use that would be able to unpack the compressed .cdata files into something I can play with a media player? (A google search reveals tools but they are all specific to Need For Speed) -- [[User:Jonwil|Jonwil]] | |||
* This sounds similar to the MP3 format found in selected NBA2003 ASF files. The files are chunked (see [[Electronic_Arts_Formats]]). Each audio data chunk has a 12 byte header, followed by one or more 576 byte MPEG Layer 3 frames. --[[User:Suxen drol|Suxen drol]] 03:25, 8 March 2007 (EST) | |||
le_32 number of samples? | |||
le_u32 alaways zero | |||
le_u32 magic number? (0x0042CC4B) |
Latest revision as of 01:25, 8 March 2007
This is likely to be a variant of the EA ADPCM algorithm. Could you post a truncated version of the BIG file to ftp.mplayerhq.hu? --Suxen drol 04:42, 7 March 2007 (EST)
- Nope, it's an EA's own mpeg l3 variation with interleaved uncompressed fragments. Nothing new, it was used in NFS:U2 already long time ago. --VAG 16:38, 7 March 2007 (EST)
- Is there a description of this variant of the MP3 codec anywhere? Or is there some tool I can use that would be able to unpack the compressed .cdata files into something I can play with a media player? (A google search reveals tools but they are all specific to Need For Speed) -- Jonwil
- This sounds similar to the MP3 format found in selected NBA2003 ASF files. The files are chunked (see Electronic_Arts_Formats). Each audio data chunk has a 12 byte header, followed by one or more 576 byte MPEG Layer 3 frames. --Suxen drol 03:25, 8 March 2007 (EST)
le_32 number of samples? le_u32 alaways zero le_u32 magic number? (0x0042CC4B)