diff --git a/src/call/call_delay.cpp b/src/call/call_delay.cpp
index 803f4447..f4cb3d17 100644
--- a/src/call/call_delay.cpp
+++ b/src/call/call_delay.cpp
@@ -35,7 +35,7 @@ void CallDelay::fail(const char* reason) {
 void CallDelay::reset() {
     st.clear(); st.setTempo(1);
     spanHead = spanCount = trim = 0;
-    written = cursor = generated = consumed = stBase = stFed = entry = queuedInput = elapsed = deviceSamples = 0;
+    written = cursor = generated = consumed = stBase = stFed = entry = queuedInput = deviceSamples = 0;
     phaseGoal = 0;
     playedSource = cutPhase = 0; tempo = 1;
     for (auto& b : buckets) b = {};
@@ -175,7 +175,7 @@ unsigned CallDelay::direct(int16_t* out, unsigned count, unsigned reserve, unsig
 
 /* Нижняя огибающая за 150..200мс убирает пилу пакетизации без зависимости от размера pull. */
 double CallDelay::lowDepth(double depth, double& inventory) {
-    uint64_t time = elapsed / (Rate / 20);
+    uint64_t time = deviceSamples / (Rate / 20);
     auto& b = buckets[time % 4];
     if (b.time != time) b = {time, depth, inventory};
     else { b.low = std::min(b.low, depth); b.inventory = std::min(b.inventory, inventory); }
@@ -227,6 +227,5 @@ unsigned CallDelay::pull(int16_t* out, unsigned count, uint64_t queued, unsigned
             consume(n); done += n; deviceSamples += n;
         }
     }
-    elapsed += count;
     return done;
 }
diff --git a/src/call/call_delay.h b/src/call/call_delay.h
index 9cd6f1c6..82ddd77a 100644
--- a/src/call/call_delay.h
+++ b/src/call/call_delay.h
@@ -24,6 +24,8 @@ public:
         unsigned phase = 0; // Ошибка относительно 20мс выхода; 0 — границы совпадают.
     };
     CallDelay(Input input, void* input_context, soundtouch::SourceCallback source, void* source_context);
+    CallDelay(const CallDelay&) = delete;
+    CallDelay& operator=(const CallDelay&) = delete;
     bool valid() const { return !failed; }
     unsigned pull(int16_t* output, unsigned count, uint64_t queued, unsigned reserve);
     void reset();
@@ -42,7 +44,7 @@ private:
     std::array<Span, 32> spans{};
     unsigned spanHead = 0, spanCount = 0;
     uint64_t written = 0, cursor = 0, generated = 0, consumed = 0;
-    uint64_t stBase = 0, stFed = 0, entry = 0, queuedInput = 0, elapsed = 0;
+    uint64_t stBase = 0, stFed = 0, entry = 0, queuedInput = 0;
     uint64_t deviceSamples = 0;
     int64_t phaseGoal = 0;
     double playedSource = 0, tempo = 1, cutPhase = 0;