search for: id342556

Displaying 2 results from an estimated 2 matches for "id342556".

2008 May 31
2
Channels ordering bug
...is-tools use a wrong order for channels when dealing with 5.1 surround WAV files. More precisely, I find in the Vorbis specification that the output order is: 0: front left 1: front center 2: front right 3: rear left 4: rear right 5: LFE (source: http://www.xiph.org/vorbis/doc/Vorbis_I_spec.html#id342556 ) At the same time, the order of channels in WAV files seems to be: 0: front left 1: front right 2: front center 3: LFE 4: rear left 5: rear right (source: http://www.microsoft.com/whdc/device/audio/multichaud.mspx#E4C ) Now, in oggenc/audio.c, I see that the permutation array is used that way...
2008 Sep 07
7
Mapping = 1 Ambisonic Vorbis flag
...was a lot of discussion about Ambisonics and Monty kindly stated that Mapping = 1 ; Denotes and Ambisonic file as opposed to = 0 which is 1 speaker/ 1 channel Has this been written explicitly into the standard? Which standard should I be looking at? http://xiph.org/vorbis/doc/Vorbis_I_spec.html#id342556 specifies only Mapping = 0 The reason why I'm searching for the actual physical definition of the flag is the unwashed Ambisonic Community would like this to be just a bit (bit 1) rather than a single value (Mapping = 1) That's cos we might want more bits from yus guys later if / when we...