diff --git a/lib/audio_compressor.c b/lib/audio_compressor.c
index a2d5c50b..68dd2b5c 100644
--- a/lib/audio_compressor.c
+++ b/lib/audio_compressor.c
@@ -43,7 +43,7 @@ struct audio_compressor {
     int dbg_counter;
 };
 
-/* Начальный gain — середина диапазона [0, max_gain] в дБ (геометрическое среднее). */
+/* Пустой компрессор с теми же настройками для следующей записи. */
 struct audio_compressor* audio_compressor_clone_config(const struct audio_compressor* source) {
     if (!source) { DEBUG_ERROR(DEBUG_CATEGORY_MEDIA, "compressor: cannot clone NULL configuration"); return NULL; }
     struct audio_compressor* copy = audio_compressor_create();
diff --git a/tools/chatgui/src/voicemessageencoder.cpp b/tools/chatgui/src/voicemessageencoder.cpp
index 68339dcb..6885b3ea 100644
--- a/tools/chatgui/src/voicemessageencoder.cpp
+++ b/tools/chatgui/src/voicemessageencoder.cpp
@@ -1,114 +1,13 @@
 #include "voicemessageencoder.h"
 
-extern "C" {
-#include "../../../lib/opus_codec.h"
-}
-
 #include "../../lib/debug_config.h"
-
-#include <QDebug>
 #include <QDir>
-#include <QDateTime>
-#include <QFile>
-#include <cstring>
-
-static const int FRAME_MS = 20;
-static const uint32_t OPUS_MAGIC = 0x5355504F;
-static const int MAX_PACKET = 4000;
 
 static int s_preset = 1; /* 0=Low, 1=Standard, 2=High */
-static const int s_bitrates[]   = {16000, 32000, 64000};
-static const int s_complexities[] = {2, 5, 10};
-
-void VoiceEncoder::setPreset(int preset) {
-    if (preset < 0) preset = 0;
-    if (preset > 2) preset = 2;
-    s_preset = preset;
-}
 
+void VoiceEncoder::setPreset(int preset) { s_preset = qBound(0, preset, 2); }
 int VoiceEncoder::preset() { return s_preset; }
 
-int VoiceEncoder::encodeToFile(const int16_t* pcm, size_t pcmCount, int sampleRate, int channels,
-                                const QString& filePath, float& outDurationSec) {
-    if (!pcm || pcmCount == 0 || sampleRate <= 0 || channels <= 0) {
-        DEBUG_WARN(DEBUG_CATEGORY_DEBUG, "VoiceEncoder: invalid input (pcm=%zu rate=%d ch=%d)", pcmCount, sampleRate, channels);
-        return -1;
-    }
-
-    int frameSamples = sampleRate * FRAME_MS / 1000;
-    size_t totalSamples = pcmCount / (size_t)channels;
-    if (totalSamples < (size_t)frameSamples) return -1;
-
-    opus_codec_encoder_t* enc = opus_codec_encoder_create(sampleRate, channels);
-    if (!enc) {
-        DEBUG_WARN(DEBUG_CATEGORY_DEBUG, "VoiceEncoder: encoder create failed");
-        return -1;
-    }
-    opus_codec_encoder_bitrate_set(enc, s_bitrates[s_preset]);
-    opus_codec_encoder_complexity_set(enc, s_complexities[s_preset]);
-
-    QFile file(filePath);
-    if (!file.open(QIODevice::WriteOnly)) {
-        DEBUG_WARN(DEBUG_CATEGORY_DEBUG, "VoiceEncoder: cannot open file %s (%s)", qPrintable(filePath), qPrintable(file.errorString()));
-        opus_codec_encoder_destroy(enc);
-        return -1;
-    }
-    DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "VoiceEncoder::encodeToFile: writing to %s pcm=%zu samples preset=%d",
-                qPrintable(filePath), pcmCount, s_preset);
-
-    /* write header */
-    uint32_t magic = OPUS_MAGIC;
-    uint32_t sr = (uint32_t)sampleRate;
-    uint16_t ch = (uint16_t)channels;
-    uint16_t fs = (uint16_t)frameSamples;
-    file.write((const char*)&magic, 4);
-    file.write((const char*)&sr, 4);
-    file.write((const char*)&ch, 2);
-    file.write((const char*)&fs, 2);
-
-    int frameCount = 0;
-    uint8_t packet[MAX_PACKET];
-    size_t pcmOff = 0;
-
-    while (pcmOff + (size_t)frameSamples * channels <= totalSamples) {
-        int len = opus_codec_encode(enc, pcm + pcmOff, frameSamples, packet, MAX_PACKET);
-        pcmOff += (size_t)frameSamples * channels;
-
-        if (len > 0) {
-            uint16_t plen = (uint16_t)len;
-            file.write((const char*)&plen, 2);
-            file.write((const char*)packet, len);
-            frameCount++;
-        } else if (len < 0) {
-            DEBUG_WARN(DEBUG_CATEGORY_DEBUG, "VoiceEncoder: encode error at frame %d: %d", frameCount, len);
-        }
-    }
-
-    /* end marker */
-    uint16_t zero = 0;
-    file.write((const char*)&zero, 2);
-    file.close();
-
-    outDurationSec = (float)frameCount * FRAME_MS / 1000.0f;
-
-    DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "VoiceEncoder: wrote %d frames (%.1fs) to %s", frameCount, outDurationSec, qPrintable(filePath));
-    opus_codec_encoder_destroy(enc);
-    return frameCount;
-}
-
-QString VoiceEncoder::generateFileName() {
-    QDateTime now = QDateTime::currentDateTime();
-    QString ts = now.toString("yyyyMMdd-HHmmss");
-    int rnd = rand() & 0xFFFF;
-    return QString("voice_%1_%2.opus").arg(ts).arg(rnd, 4, 16, QChar('0'));
-}
-
-QString VoiceEncoder::mediaDir(const QString& dbPath, const QString& channelId) {
-    QDir d(dbPath);
-    QString mediaPath = d.absoluteFilePath("media/" + channelId);
-    return mediaPath;
-}
-
 void VoiceEncoder::ensureMediaDir(const QString& dir) {
     QDir d;
     if (!d.mkpath(dir)) {
diff --git a/tools/chatgui/src/voicemessageencoder.h b/tools/chatgui/src/voicemessageencoder.h
index 006d4d49..2290f28e 100644
--- a/tools/chatgui/src/voicemessageencoder.h
+++ b/tools/chatgui/src/voicemessageencoder.h
@@ -1,16 +1,11 @@
 #pragma once
 
 #include <QString>
-#include <cstdint>
 
 class VoiceEncoder {
 public:
     static void setPreset(int preset);
     static int preset();
 
-    static int encodeToFile(const int16_t* pcm, size_t pcmCount, int sampleRate, int channels,
-                            const QString& filePath, float& outDurationSec);
-    static QString generateFileName();
-    static QString mediaDir(const QString& dbPath, const QString& channelId);
     static void ensureMediaDir(const QString& dir);
 };