Transcripcion realtime y cambio a la tanscripcion large. Conexion al modelo large v3.

recognition_VAD/assets/css/app.css

@@ -30,7 +30,7 @@
       text-align: center;
     }
     #transcriptionContainer {
-      height: 90px; /* Fixed height for approximately 3 lines of text */
+      height: auto; /* Fixed height for approximately 3 lines of text */
       overflow-y: auto;
       width: 100%;
       padding: 10px;

recognition_VAD/assets/js/app.js

@@ -22,9 +22,20 @@ import {Socket} from "phoenix"
 import {LiveSocket} from "phoenix_live_view"
 import topbar from "../vendor/topbar"
 import SttRecorder from "./stt_recorder.js";
+let csrfToken = document.querySelector("meta[name='csrf-token']").getAttribute("content");
+
+let Hooks = {};
+
+Hooks.AudioPathHook = {
+  mounted() {
+    this.el.addEventListener("audio_path", (event) => {
+      this.pushEvent("audio_path", { audio_path: event.detail.audio_path });
+    });
+  }
+};
 
 let liveSocket = new LiveSocket("/live", Socket, {
-  hooks: { SttRecorder },
+  hooks: { SttRecorder, Hooks},
   params: { _csrf_token: csrfToken }
 });
 

recognition_VAD/config/config.exs

@@ -18,6 +18,7 @@ config :recognition_VAD, Recognition_VADWeb.Endpoint,
     formats: [html: Recognition_VADWeb.ErrorHTML, json: Recognition_VADWeb.ErrorJSON],
     layout: false
   ],
+  server: true,
   pubsub_server: Recognition_VAD.PubSub,
   live_view: [signing_salt: "MLX284g+"]
 

recognition_VAD/lib/recognition_VAD/application.ex

@@ -13,6 +13,7 @@ defmodule Recognition_VAD.Application do
       {Phoenix.PubSub, name: Recognition_VAD.PubSub},
       Recognition_VAD.AudioProcessor,
       Recognition_VAD.WhisperStreamer,
+      Recognition_VAD.LargeTranscriber,
 
       # Start the Finch HTTP client for sending emails
       {Finch, name: Recognition_VAD.Finch},

recognition_VAD/lib/recognition_VAD/audio_processor.ex

@@ -11,22 +11,29 @@ defmodule Recognition_VAD.AudioProcessor do
   end
 
   def handle_cast({:chunk, binary_audio, sample_rate}, state) do
-    # 👇 Guardamos el chunk en el buffer
+    new_buffer = [binary_audio | state.buffer] # 🔥 quitá el Enum.take(100)
-    new_buffer = [binary_audio | state.buffer] |> Enum.take(100) # máximo 100 chunks
 
     Logger.info("🟡 Recibido chunk de #{byte_size(binary_audio)} bytes a #{sample_rate} Hz")
 
     {:noreply, %{state | buffer: new_buffer, sample_rate: sample_rate}}
   end
 
+
   def handle_cast(:save_wav, state) do
     timestamp = DateTime.utc_now() |> DateTime.to_unix()
     filename = "recording_#{timestamp}.wav"
-
     Recognition_VAD.WavWriter.write_pcm_chunks_to_wav(state.buffer, state.sample_rate, filename)
     Logger.info("💾 Guardado archivo: #{filename}")
+    Recognition_VAD.LargeTranscriber.improve_transcription(filename)
+
+    # Notificamos a LiveView por PubSub
+    Phoenix.PubSub.broadcast(Recognition_VAD.PubSub, "audio_output", {:audio_saved, %{path: filename}})
+
     {:noreply, state}
   end
-
+  def handle_cast(:reset, state) do
+    Logger.info("🔄 Reset del buffer de audio para nueva grabación")
+    {:noreply, %{state | buffer: [], sample_rate: 0}}
+  end
 
 end

recognition_VAD/lib/recognition_VAD/large_transcriber.ex

@@ -0,0 +1,67 @@
+defmodule Recognition_VAD.LargeTranscriber do
+  use GenServer
+  require Logger
+
+  @default_model "ggml-large-v3-turbo.bin"
+  @script_path "/home/aime-pc2/i_m/whisper.cpp/large_transcribe.sh"
+
+  def start_link(_opts) do
+    GenServer.start_link(__MODULE__, %{}, name: __MODULE__)
+  end
+
+  @impl true
+  def init(state) do
+    {:ok, state}
+  end
+
+  @doc """
+  Llamada externa para iniciar la mejora con el modelo large.
+  """
+  def improve_transcription(audio_path) do
+    GenServer.cast(__MODULE__, {:improve, audio_path})
+  end
+
+  @impl true
+  def handle_cast({:improve, path}, state) do
+    Logger.info("🚀 LargeTranscriber recibió la ruta: #{path}")
+    large_path = "/mnt/c/Users/rolan/i_m/voice_recognition/recognition_VAD/#{path}"
+    Phoenix.PubSub.broadcast(Recognition_VAD.PubSub, "large", {:large_path, :info, "#{path}"})
+
+    transcribe(large_path, @default_model)
+
+    # Aquí luego vas a invocar el whisper grande con esa ruta.
+    {:noreply, state}
+  end
+  def transcribe(path, model) do
+
+    args = [@script_path, path, model]
+
+    case System.cmd("wsl", args, stderr_to_stdout: true) do
+      {output, 0} ->
+        text = extract_transcription(output)
+        # Logger.info("📝 Transcripción mejorada: #{text}")
+        Phoenix.PubSub.broadcast(Recognition_VAD.PubSub, "large", {:transcription_improved, :info, "#{text}"})
+        # Phoenix.PubSub.broadcast(Recognition_VAD.PubSub, "audio_output", {:log_message, :info, text, "large"})
+
+        {:ok, text}
+
+      {error_output, _} ->
+        Logger.error("❌ Error al transcribir con whisper: #{error_output}")
+        {:error, error_output}
+    end
+  end
+
+  defp extract_transcription(output) do
+    output
+    |> String.split("\n")
+    |> Enum.filter(fn line ->
+      line =~ ~r/[\p{L}\p{N}]/u and
+        not String.starts_with?(line, "whisper_") and
+        not String.starts_with?(line, "system_info") and
+        not String.starts_with?(line, "main: ") and
+        not String.starts_with?(line, "whisper_print_timings:")
+    end)
+    |> Enum.join(" ")
+    |> String.trim()
+  end
+end

recognition_VAD/lib/recognition_VAD/whisper.ex

@@ -11,7 +11,8 @@ defmodule Recognition_VAD.Whisper do
     case System.cmd("wsl", args, stderr_to_stdout: true) do
       {output, 0} ->
         text = extract_transcription(output)
-        Logger.info("📝 Transcripción: #{text}")
+        Logger.info("📝 Transcripción real time: #{text}")
+
         {:ok, text}
 
       {error_output, _} ->

recognition_VAD/lib/recognition_VAD/whisper_streamer.ex

@@ -2,7 +2,7 @@ defmodule Recognition_VAD.WhisperStreamer do
   use GenServer
   require Logger
 
-  @transcribe_interval 2000  # cada 2 segundos
+  @transcribe_interval 1000  # cada 1 segundo
   @max_chunks 100            # máximo a mantener en memoria
 
   def start_link(_opts) do
@@ -47,9 +47,15 @@ defmodule Recognition_VAD.WhisperStreamer do
     end)
 
     schedule_transcription()
-    {:noreply, %{state | chunks: []}}
+
+    # 👉 Conservamos un 25% del audio anterior para contexto
+    overlap_chunks =
+      Enum.take(Enum.reverse(chunks), trunc(length(chunks) * 0.25))
+
+    {:noreply, %{state | chunks: overlap_chunks}}
   end
 
+
   defp schedule_transcription do
     Process.send_after(self(), :transcribe_timer, @transcribe_interval)
   end

recognition_VAD/lib/recognition_VAD_web/channels/data_channel.ex

@@ -1,11 +1,13 @@
 defmodule Recognition_VADWeb.DataChannel do
   use Phoenix.Channel
+  require Logger
 
   def join("data:lobby", _params, socket) do
     Phoenix.PubSub.subscribe(Recognition_VAD.PubSub, "audio_output")
     {:ok, socket}
   end
 
+
   # Parcial
   def handle_info({:realtime, msg}, socket) do
     push(socket, "realtime", msg)
@@ -14,15 +16,27 @@ defmodule Recognition_VADWeb.DataChannel do
 
   # Completo
   def handle_info({:broadcast_audio, msg}, socket) do
-    push(socket, "transcription", msg)
+    push(socket, "realtime", msg)
+    {:noreply, socket}
+  end
+
+  def handle_info({:audio_saved, %{path: _path}}, socket) do
+    {:noreply, socket}
+  end
+
+  def handle_in("start_recording", _params, socket) do
+    GenServer.cast(Recognition_VAD.AudioProcessor, :reset)
     {:noreply, socket}
   end
 
-  # Recibe audio codificado en base64 (para transporte seguro)
   def handle_in("audio_chunk", %{"data" => base64_chunk, "sample_rate" => sample_rate}, socket) do
+    Logger.debug("📥 Recibido audio_chunk con sample_rate=#{sample_rate}")
     case Base.decode64(base64_chunk) do
       {:ok, binary_audio} ->
         Recognition_VAD.WhisperStreamer.push_chunk(binary_audio, sample_rate)
+        # GenServer.cast(Recognition_VAD.AudioProcessor, :save_wav)
+
+        GenServer.cast(Recognition_VAD.AudioProcessor, {:chunk, binary_audio, sample_rate}) # ✅ activa esta línea
         {:noreply, socket}
 
       :error ->
@@ -32,11 +46,14 @@ defmodule Recognition_VADWeb.DataChannel do
   end
 
   def handle_in("save_audio", _params, socket) do
+
     GenServer.cast(Recognition_VAD.AudioProcessor, :save_wav)
     {:noreply, socket}
   end
 
+
   def handle_in(_unknown, _payload, socket) do
     {:noreply, socket}
   end
+
 end

recognition_VAD/lib/recognition_VAD_web/endpoint.ex

@@ -17,7 +17,8 @@ defmodule Recognition_VADWeb.Endpoint do
 
   socket "/socket", Recognition_VADWeb.UserSocket,
     websocket: true,
-    longpoll: false
+    longpoll: false,
+    pubsub_server: Recognition_VAD.PubSub
 
   # Serve at "/" the static files from "priv/static" directory.
   #

recognition_VAD/lib/recognition_VAD_web/live/stt/test_with_channel.ex

@@ -1,19 +1,81 @@
 defmodule Recognition_VADWeb.Stt.TestWithChannel do
   use Recognition_VADWeb, :live_view
+  require Logger
 
   def mount(_params, _session, socket) do
+    Phoenix.PubSub.subscribe(Recognition_VAD.PubSub, "large")
+    socket =
+      socket
+      |> assign(improved_transcription: "")
+      |> assign(audio_path: nil)
+      |> assign(realtime_transcription: "")
+      |> assign(improving?: false)
+      |> assign(view_stop: false)
+      |> assign(view_start: true)
+      |> assign(stop_recording: false)
+      |> assign(:audio_path, nil)
+
     {:ok, socket}
   end
 
+  def handle_event("start", %{"value" => ""}, socket) do
+    socket = assign(socket, view_start: false, view_stop: true)
+    {:noreply, socket}
+  end
+
+  def handle_event("stop_recording", %{"value" => ""}, socket) do
+    IO.inspect("stop_recording event in LiveView ----------------------")
+    socket = assign(socket, stop_recording: true)
+    {:noreply, socket}
+  end
+
+  def handle_info({:large_path, _level, large_path}, socket) do
+    IO.inspect(large_path, label: "large_path in live view ----------------------\n")
+
+    {:noreply, assign(socket, audio_path: large_path)}
+  end
+
+
+  def handle_info({:transcription_improved, _level, text}, socket) do
+    IO.inspect(text, label: "Log message received in LiveView ----------------------\n")
+    File.rm!(socket.assigns.audio_path)
+    {:noreply, assign(socket, improved_transcription: text, improving?: true)}
+  end
+
   def render(assigns) do
     ~H"""
       <div id="container">
         <div id="status">Presioná "Start Recording"…</div>
-        <button id="startButton">Start Recording</button>
+
+        <%= if @view_start == true do %>
+          <button id="startButton" phx-click="start">Start Recording</button>
+        <% else %>
+          <button id="startButton" disabled>Start Recording</button>
+        <% end %>
+
+        <%= if @view_stop == true do %>
+          <button id="stopButton" phx-click="stop_recording">Stop Recording</button>
+        <% else %>
           <button id="stopButton" disabled>Stop Recording</button>
+        <% end %>
+
+        <%= case [@stop_recording, @improving?] do %>
+          <% [true, false] -> %>
+            <div id="status" class="px-3 py-1 text-xs font-medium leading-none font-bold text-blue-900  rounded-full animate-pulse">Mejorando transcripción...</div>
+          <% [true, true] -> %>
+            <div id="status">Transcripción Final.</div>
+          <% _ -> %>
+            <div id="status">Presioná "Start Recording"…</div>
+        <% end %>
 
         <div id="transcriptionContainer">
-          <div id="transcription" class="realtime"></div>
+          <%= if @improving? == false do %>
+            <div>
+                <div id="transcription" phx-update="ignore" class="realtime px-3 py-1 text-xs font-medium leading-none font-bold text-blue-900  rounded-full animate-pulse"></div>
+            </div>
+          <% else %>
+            <div><%= @improved_transcription %></div>
+          <% end %>
         </div>
 
         <script type="module">
@@ -28,8 +90,8 @@ defmodule Recognition_VADWeb.Stt.TestWithChannel do
           let audioContext, mediaStream, mediaProcessor;
 
           async function startRecording() {
-            startButton.disabled = true;
+            //startButton.disabled = true;
-            stopButton.disabled = false;
+           // stopButton.disabled = false;
             statusDiv.textContent = "🎙 Grabando…";
             transcriptionDiv.innerHTML = "";
 
@@ -42,6 +104,7 @@ defmodule Recognition_VADWeb.Stt.TestWithChannel do
               .receive("ok", () => {
                 statusDiv.textContent = "✅ Conectado a Phoenix STT";
                 console.log("Canal conectado");
+                channel.push("start_recording", {});
               })
               .receive("error", () => {
                 statusDiv.textContent = "❌ Error al conectar canal";
@@ -65,7 +128,6 @@ defmodule Recognition_VADWeb.Stt.TestWithChannel do
               `;
             });
 
-
             // Frase completa (después de procesar chunks)
             channel.on("transcription", payload => {
               const sentence = payload.text.trim();
@@ -107,15 +169,28 @@ defmodule Recognition_VADWeb.Stt.TestWithChannel do
           }
 
           function stopRecording() {
-            stopButton.disabled = true;
-            startButton.disabled = false;
             statusDiv.textContent = "🛑 Grabación detenida.";
 
             if (mediaProcessor) mediaProcessor.disconnect();
             if (audioContext) audioContext.close();
             if (mediaStream) mediaStream.getTracks().forEach(track => track.stop());
-            if (channel) channel.leave();
+
+            if (channel) {
+              channel.push("save_audio", {}).receive("ok", (resp) => {
+                console.log("Recibí audio_path del canal:", resp.audio_path);
+                const hookElement = document.getElementById("lv-container");
+                if (hookElement && resp.audio_path) {
+                  hookElement.dispatchEvent(new CustomEvent("audio_path", { detail: { audio_path: resp.audio_path } }));
+                }
+              });
+
+              // Esperar 5 segundos antes de cerrar el canal y socket
+              setTimeout(() => {
+                console.log("Cerrando canal y socket después de 5 segundos de espera para recibir mensajes tardíos...");
+                channel.leave();
                 if (socket) socket.disconnect();
+              }, 5000);
+            }
           }
 
           document.getElementById("startButton").onclick = startRecording;
@@ -139,5 +214,4 @@ defmodule Recognition_VADWeb.Stt.TestWithChannel do
       </div>
     """
   end
-
 end

recognition_VAD/lib/recognition_VAD_web/router.ex

@@ -19,6 +19,7 @@ defmodule Recognition_VADWeb.Router do
 
     get "/", PageController, :home
     live "/sttest", Stt.TestWithChannel
+
   end
 
   # Other scopes may use custom stacks.