Apollo II for NVDA

Copyright (C) 2026 Andre Louis. This NVDA add-on is licensed under GNU GPL
version 2 or, at your option, any later version. See COPYING. Third-party
copyright and licence notices remain in effect.

The underlying Apollo II Reborn firmware implementation and renderer are by
rommix0 and contributors: https://github.com/rommix0/Dolphin-Apollo-II-Reborn
Upstream describes a C port of Apollo firmware and an Orpheus renderer port,
with a separately rewritten DSP. The author explicitly permits GPL licensing
of this NVDA add-on:
https://github.com/rommix0/Dolphin-Apollo-II-Reborn/issues/1#issuecomment-6295193927
Upstream's repository itself remains unlicensed; this notice does not claim
otherwise or grant additional rights over unrelated third-party material.
Original material remains attributable to its rights holders. Dolphin does
not endorse this add-on.

The updater is adapted from Andre Louis's Prose 2000 updater, originally
marked BSD-3-Clause. Redistribution and use in source and binary forms, with
or without modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
   may be used to endorse or promote products derived from this software
   without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.

English-only num2words 0.5.14 by Taro Ogawa, Savoir-faire Linux and
contributors: LGPL version 2.1 or later. Its source notices and licence are
preserved in synthDrivers/apolloJuno/_numberwords.

Tone controls implement Robert Bristow-Johnson's Audio EQ Cookbook equations:
https://www.w3.org/TR/audio-eq-cookbook/
