diff --git a/CMakeLists.txt b/CMakeLists.txt
index 368917ca..c52efed8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -155,7 +155,9 @@ set(RENDER_HEADERS
     src/render/image/tgafile.h
     src/render/image/tpcfile.h
     src/render/image/txifile.h
-    src/render/lipfile.h
+    src/render/lip/lipanimation.h
+    src/render/lip/lipfile.h
+    src/render/lip/lips.h
     src/render/mesh/aabb.h
     src/render/mesh/billboard.h
     src/render/mesh/cube.h
@@ -191,7 +193,9 @@ set(RENDER_SOURCES
     src/render/image/tgafile.cpp
     src/render/image/tpcfile.cpp
     src/render/image/txifile.cpp
-    src/render/lipfile.cpp
+    src/render/lip/lipanimation.cpp
+    src/render/lip/lipfile.cpp
+    src/render/lip/lips.cpp
     src/render/mesh/aabb.cpp
     src/render/mesh/billboard.cpp
     src/render/mesh/cube.cpp
diff --git a/src/game/game.cpp b/src/game/game.cpp
index aa02bd6d..e2a044ce 100644
--- a/src/game/game.cpp
+++ b/src/game/game.cpp
@@ -26,6 +26,7 @@
 #include "../common/log.h"
 #include "../common/pathutil.h"
 #include "../experimental/tor/gr2file.h"
+#include "../render/lip/lips.h"
 #include "../render/model/mdlfile.h"
 #include "../render/model/models.h"
 #include "../render/textures.h"
@@ -229,6 +230,8 @@ void Game::loadModule(const string &name, string entry) {
         Scripts::instance().invalidateCache();
         Blueprints::instance().invalidateCache();
         SoundSets::instance().invalidateCache();
+        Lips::instance().invalidateCache();
+
         Resources::instance().loadModule(name);
 
         if (_module) {
diff --git a/src/game/gui/conversation.cpp b/src/game/gui/conversation.cpp
index 9b7728ef..a5c21996 100644
--- a/src/game/gui/conversation.cpp
+++ b/src/game/gui/conversation.cpp
@@ -21,6 +21,7 @@
 #include "../../audio/player.h"
 #include "../../common/log.h"
 #include "../../gui/control/listbox.h"
+#include "../../render/lip/lips.h"
 #include "../../render/model/models.h"
 #include "../../resource/resources.h"
 
@@ -161,15 +162,16 @@ void Conversation::loadVoiceOver() {
     }
 
     // Play current voice over either from Sound or from VO_ResRef
-    shared_ptr<AudioStream> voice;
+    string voiceResRef;
     if (!_currentEntry->sound.empty()) {
-        voice = AudioFiles::instance().get(_currentEntry->sound);
+        voiceResRef = _currentEntry->sound;
     }
-    if (!voice && !_currentEntry->voResRef.empty()) {
-        voice = AudioFiles::instance().get(_currentEntry->voResRef);
+    if (voiceResRef.empty() && !_currentEntry->voResRef.empty()) {
+        voiceResRef = _currentEntry->voResRef;
     }
-    if (voice) {
-        _currentVoice = AudioPlayer::instance().play(voice, AudioType::Voice);
+    if (!voiceResRef.empty()) {
+        _currentVoice = AudioPlayer::instance().play(voiceResRef, AudioType::Voice);
+        _lipAnimation = Lips::instance().get(voiceResRef);
     }
 }
 
diff --git a/src/game/gui/conversation.h b/src/game/gui/conversation.h
index 0581a745..87c7e69b 100644
--- a/src/game/gui/conversation.h
+++ b/src/game/gui/conversation.h
@@ -19,6 +19,7 @@
 
 #include "../../audio/soundhandle.h"
 #include "../../common/timer.h"
+#include "../../render/lip/lipanimation.h"
 #include "../../render/model/model.h"
 
 #include "../camera/types.h"
@@ -83,6 +84,7 @@ protected:
 
 private:
     std::shared_ptr<audio::SoundHandle> _currentVoice;
+    std::shared_ptr<render::LipAnimation> _lipAnimation;
     Timer _endEntryTimer;
     float _entryDuration { 0.0f };
     std::vector<const Dialog::EntryReply *> _replies;
diff --git a/src/render/lip/lipanimation.cpp b/src/render/lip/lipanimation.cpp
new file mode 100644
index 00000000..7eda62da
--- /dev/null
+++ b/src/render/lip/lipanimation.cpp
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2020-2021 The reone project contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "lipanimation.h"
+
+#include <stdexcept>
+
+using namespace std;
+
+namespace reone {
+
+namespace render {
+
+LipAnimation::LipAnimation(vector<Keyframe> keyframes) : _keyframes(move(keyframes)) {
+}
+
+const LipAnimation::Keyframe &LipAnimation::getKeyframe(float time) const {
+    if (_keyframes.empty()) {
+        throw logic_error("keyframes is empty");
+    }
+    for (auto &frame : _keyframes) {
+        if (time <= frame.time) return frame;
+    }
+    return _keyframes.back();
+}
+
+} // namespace render
+
+} // namespace reone
diff --git a/src/render/lip/lipanimation.h b/src/render/lip/lipanimation.h
new file mode 100644
index 00000000..4bab2899
--- /dev/null
+++ b/src/render/lip/lipanimation.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2020-2021 The reone project contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <cstdint>
+#include <vector>
+
+namespace reone {
+
+namespace render {
+
+class LipAnimation {
+public:
+    struct Keyframe {
+        float time { 0.0f };
+        uint8_t shape { 0 }; /**< an index into the keyframes of the "talk" animation  */
+    };
+
+    LipAnimation(std::vector<Keyframe> keyframes);
+
+    const Keyframe &getKeyframe(float time) const;
+
+private:
+    std::vector<Keyframe> _keyframes;
+};
+
+} // namespace render
+
+} // namespace reone
diff --git a/src/render/lipfile.cpp b/src/render/lip/lipfile.cpp
similarity index 86%
rename from src/render/lipfile.cpp
rename to src/render/lip/lipfile.cpp
index 9907482d..3cae1911 100644
--- a/src/render/lipfile.cpp
+++ b/src/render/lip/lipfile.cpp
@@ -32,12 +32,15 @@ void LipFile::doLoad() {
     float length = readFloat();
     uint32_t entryCount = readUint32();
 
+    vector<LipAnimation::Keyframe> keyframes;
     for (uint32_t i = 0; i < entryCount; ++i) {
-        Keyframe keyframe;
+        LipAnimation::Keyframe keyframe;
         keyframe.time = readFloat();
         keyframe.shape = readByte();
-        _keyframes.push_back(move(keyframe));
+        keyframes.push_back(move(keyframe));
     }
+
+    _animation = make_shared<LipAnimation>(move(keyframes));
 }
 
 } // namespace render
diff --git a/src/render/lipfile.h b/src/render/lip/lipfile.h
similarity index 79%
rename from src/render/lipfile.h
rename to src/render/lip/lipfile.h
index f9624ee8..6a8beb42 100644
--- a/src/render/lipfile.h
+++ b/src/render/lip/lipfile.h
@@ -17,7 +17,9 @@
 
 #pragma once
 
-#include "../resource/format/binfile.h"
+#include "../../resource/format/binfile.h"
+
+#include "lipanimation.h"
 
 namespace reone {
 
@@ -25,17 +27,12 @@ namespace render {
 
 class LipFile : public resource::BinaryFile {
 public:
-    struct Keyframe {
-        float time { 0.0f };
-        uint8_t shape { 0 };
-    };
-
     LipFile();
 
-    const std::vector<Keyframe> &keyframes() const { return _keyframes; }
+    std::shared_ptr<LipAnimation> animation() const { return _animation; }
 
 private:
-    std::vector<Keyframe> _keyframes;
+    std::shared_ptr<LipAnimation> _animation;
 
     void doLoad() override;
 };
diff --git a/src/render/lip/lips.cpp b/src/render/lip/lips.cpp
new file mode 100644
index 00000000..026a34f4
--- /dev/null
+++ b/src/render/lip/lips.cpp
@@ -0,0 +1,60 @@
+
+/*
+ * Copyright (c) 2020-2021 The reone project contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "lips.h"
+
+#include "../../common/streamutil.h"
+#include "../../resource/resources.h"
+
+#include "lipfile.h"
+
+using namespace std;
+
+using namespace reone::resource;
+
+namespace reone {
+
+namespace render {
+
+Lips &Lips::instance() {
+    static Lips instance;
+    return instance;
+}
+
+void Lips::invalidateCache() {
+    _cache.clear();
+}
+
+shared_ptr<LipAnimation> Lips::get(const string &resRef) {
+    auto maybeAnimation = _cache.find(resRef);
+    if (maybeAnimation != _cache.end()) return maybeAnimation->second;
+
+    shared_ptr<LipAnimation> animation;
+    shared_ptr<ByteArray> lipData(Resources::instance().get(resRef, ResourceType::Lip));
+    if (lipData) {
+        LipFile lip;
+        lip.load(wrap(lipData));
+        animation = lip.animation();
+    }
+
+    return _cache.insert(make_pair(resRef, move(animation))).first->second;
+}
+
+} // namespace render
+
+} // namespace reone
diff --git a/src/render/lip/lips.h b/src/render/lip/lips.h
new file mode 100644
index 00000000..bee46367
--- /dev/null
+++ b/src/render/lip/lips.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2020-2021 The reone project contributors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <memory>
+#include <string>
+#include <unordered_map>
+
+#include "lipanimation.h"
+
+namespace reone {
+
+namespace render {
+
+class Lips {
+public:
+    static Lips &instance();
+
+    void invalidateCache();
+
+    std::shared_ptr<LipAnimation> get(const std::string &resRef);
+
+private:
+    std::unordered_map<std::string, std::shared_ptr<LipAnimation>> _cache;
+
+    Lips() = default;
+};
+
+} // namespace render
+
+} // namespace reone
diff --git a/src/resource/format/binfile.cpp b/src/resource/format/binfile.cpp
index ebf66ace..94a56d89 100644
--- a/src/resource/format/binfile.cpp
+++ b/src/resource/format/binfile.cpp
@@ -17,6 +17,8 @@
 
 #include "binfile.h"
 
+#include <boost/format.hpp>
+
 using namespace std;
 
 namespace fs = boost::filesystem;
@@ -61,7 +63,7 @@ void BinaryFile::checkSignature() {
     char buf[16];
     _in->read(buf, _signSize);
     if (!equal(_sign.begin(), _sign.end(), buf)) {
-        throw runtime_error("Invalid binary file signature");
+        throw runtime_error(str(boost::format("Invalid binary file signature: %s") % string(buf, _signSize)));
     }
 }
 
diff --git a/src/resource/resources.cpp b/src/resource/resources.cpp
index 58d4bef6..72c8188a 100644
--- a/src/resource/resources.cpp
+++ b/src/resource/resources.cpp
@@ -49,6 +49,7 @@ static const char kSoundsDirectoryName[] = "streamsounds";
 static const char kVoiceDirectoryName[] = "streamvoice";
 static const char kWavesDirectoryName[] = "streamwaves";
 static const char kTexturePackDirectoryName[] = "texturepacks";
+static const char kLipsDirectoryName[] = "lips";
 
 static const char kGUITexturePackFilename[] = "swpc_tex_gui.erf";
 static const char kTexturePackFilename[] = "swpc_tex_tpa.erf";
@@ -64,10 +65,12 @@ void Resources::init(GameID gameId, const fs::path &gamePath) {
 
     indexKeyBifFiles();
     indexTexturePacks();
-    indexAudioFiles();
-    indexOverrideDirectory();
     indexTalkTable();
+    indexAudioFiles();
+    indexLipModFiles();
     indexExeFile();
+    indexOverrideDirectory();
+
     loadModuleNames();
 }
 
@@ -121,6 +124,28 @@ void Resources::indexAudioFiles() {
     }
 }
 
+void Resources::indexLipModFiles() {
+    static vector<string> kotorMods { "global", "localization" };
+    static vector<string> tslMods { "localization" };
+
+    const vector<string> &mods = _gameId == GameID::KotOR ? kotorMods : tslMods;
+    fs::path lipsPath(getPathIgnoreCase(_gamePath, "lips"));
+
+    for (auto &mod : mods) {
+        fs::path modPath(getPathIgnoreCase(lipsPath, mod + ".mod"));
+        indexErfFile(modPath);
+    }
+}
+
+void Resources::indexRimFile(const fs::path &path) {
+    auto rim = make_unique<RimFile>();
+    rim->load(path);
+
+    _providers.push_back(move(rim));
+
+    debug(boost::format("Resources: indexed: %s") % path);
+}
+
 void Resources::indexDirectory(const fs::path &path) {
     auto folder = make_unique<Folder>();
     folder->load(path);
@@ -192,11 +217,15 @@ void Resources::loadModule(const string &name) {
     _transientProviders.clear();
 
     fs::path modulesPath(getPathIgnoreCase(_gamePath, kModulesDirectoryName));
-    fs::path rimPath(getPathIgnoreCase(modulesPath, name + ".rim"));
-    fs::path rimsPath(getPathIgnoreCase(modulesPath, name + "_s.rim"));
+    fs::path moduleRimPath(getPathIgnoreCase(modulesPath, name + ".rim"));
+    fs::path moduleRimSPath(getPathIgnoreCase(modulesPath, name + "_s.rim"));
 
-    indexTransientRimFile(rimPath);
-    indexTransientRimFile(rimsPath);
+    fs::path lipsPath(getPathIgnoreCase(_gamePath, kLipsDirectoryName));
+    fs::path lipModPath(getPathIgnoreCase(lipsPath, name + "_loc.mod"));
+
+    indexTransientRimFile(moduleRimPath);
+    indexTransientRimFile(moduleRimSPath);
+    indexTransientErfFile(lipModPath);
 
     if (_gameId == GameID::TSL) {
         fs::path dlgPath(getPathIgnoreCase(modulesPath, name + "_dlg.erf"));
diff --git a/src/resource/resources.h b/src/resource/resources.h
index 21ba6ac0..064d95da 100644
--- a/src/resource/resources.h
+++ b/src/resource/resources.h
@@ -112,16 +112,19 @@ private:
 
     Resources &operator=(const Resources &) = delete;
 
-    void indexAudioFiles();
-    void indexDirectory(const boost::filesystem::path &path);
-    void indexErfFile(const boost::filesystem::path &path);
-    void indexExeFile();
     void indexKeyBifFiles();
-    void indexOverrideDirectory();
-    void indexTalkTable();
     void indexTexturePacks();
+    void indexTalkTable();
+    void indexAudioFiles();
+    void indexLipModFiles();
+    void indexExeFile();
+    void indexOverrideDirectory();
+
+    void indexErfFile(const boost::filesystem::path &path);
     void indexTransientErfFile(const boost::filesystem::path &path);
+    void indexRimFile(const boost::filesystem::path &path);
     void indexTransientRimFile(const boost::filesystem::path &path);
+    void indexDirectory(const boost::filesystem::path &path);
 
     void invalidateCache();
     void loadModuleNames();
diff --git a/tools/gfftool.cpp b/tools/gfftool.cpp
index 74e8d10f..2f2db50e 100644
--- a/tools/gfftool.cpp
+++ b/tools/gfftool.cpp
@@ -104,9 +104,7 @@ void GffTool::toJSON(const fs::path &path, const fs::path &destPath) {
 }
 
 bool GffTool::supports(Operation operation, const fs::path &target) const {
-    return
-        !fs::is_directory(target) &&
-        operation == Operation::ToJSON;
+    return !fs::is_directory(target) && operation == Operation::ToJSON;
 }
 
 } // namespace tools