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Provided more clarity to motivation section.

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- Added init method to RotationManager
- Tweaked UTK readme
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Tony Bark 2024-05-07 15:21:15 -04:00
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18
library/tools/utkencode/README.md
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@ -1,4 +1,4 @@
## EA MicroTalk
# EA MicroTalk
EA MicroTalk (also UTalk or UTK) is a linear-predictive speech codec used in
various games by Electronic Arts. The earliest known game to use it is
@ -11,22 +11,22 @@ Docs: http://wiki.niotso.org/UTK
In this repository, I have created a set of open source (public domain
via the UNLICENSE) MicroTalk decoders/encoders.
* Use utkdecode to decode Maxis UTK (The Sims Online, SimCity 4).
* Use utkdecode-bnb to decode PT/M10 (Beasts & Bumpkins).
* Use utkdecode-fifa to decode FIFA 2001/2002 (PS2) speech samples. This tool
- Use utkdecode to decode Maxis UTK (The Sims Online, SimCity 4).
- Use utkdecode-bnb to decode PT/M10 (Beasts & Bumpkins).
- Use utkdecode-fifa to decode FIFA 2001/2002 (PS2) speech samples. This tool
supports regular MicroTalk and MicroTalk Revision 3
[SCxl files](https://wiki.multimedia.cx/index.php/Electronic_Arts_SCxl).(*)
* Use utkencode to encode Maxis UTK. (This is the simplest container format and
[SCxl files](https://wiki.multimedia.cx/index.php/Electronic_Arts_SCxl).(\*)
- Use utkencode to encode Maxis UTK. (This is the simplest container format and
is currently the only one supported for encoding.)
(*) I wasn't able to find any real-world MicroTalk Rev. 3 samples in any games.
(\*) I wasn't able to find any real-world MicroTalk Rev. 3 samples in any games.
However, you can transcode a FIFA MicroTalk Rev. 2 file to Rev. 3 using
[EA's Sound eXchange tool](https://wiki.multimedia.cx/index.php/Electronic_Arts_Sound_eXchange)
(`sx -mt_blk input.dat -=output.dat`).
## Compiling
```
```bash
gcc -Wall -Wextra -Wno-unused-function -ansi -pedantic -O2 -ffast-math -fwhole-program -g0 -s -static-libgcc -o utkdecode utkdecode.c
gcc -Wall -Wextra -Wno-unused-function -ansi -pedantic -O2 -ffast-math -fwhole-program -g0 -s -static-libgcc -o utkdecode-fifa utkdecode-fifa.c
gcc -Wall -Wextra -Wno-unused-function -ansi -pedantic -O2 -ffast-math -fwhole-program -g0 -s -static-libgcc -o utkdecode-bnb utkdecode-bnb.c
@ -46,4 +46,4 @@ However, MicroTalk is a multi-pulse codec (it is cheap to code long runs of
zeros in the excitation signal). Hence, a much better design (and indeed the
standard practice for multi-pulse speech codecs) is to search for the positions
and amplitudes of n pulses such that error is minimized in the output domain
(or the perceptually weighted domain). This new encoder is still in the works.
(or the perceptually weighted domain). This new encoder is still in the works.