add extra recording buffer (#1089)

* add extra recording buffer

* translations

src-tauri/src/lib.rs

@@ -335,6 +335,7 @@ pub fn run(cli_args: CliArgs) {
         shortcut::change_overlay_position_setting,
         shortcut::change_debug_mode_setting,
         shortcut::change_word_correction_threshold_setting,
+        shortcut::change_extra_recording_buffer_setting,
         shortcut::change_paste_method_setting,
         shortcut::get_available_typing_tools,
         shortcut::change_typing_tool_setting,

src-tauri/src/managers/audio.rs

@@ -4,7 +4,7 @@ use crate::settings::{get_settings, AppSettings};
 use crate::utils;
 use log::{debug, error, info};
 use std::sync::{Arc, Mutex};
-use std::time::Instant;
+use std::time::{Duration, Instant};
 use tauri::Manager;
 
 fn set_mute(mute: bool) {
@@ -380,6 +380,16 @@ impl AudioRecordingManager {
                 *state = RecordingState::Idle;
                 drop(state);
 
+                // Optionally keep recording for a bit longer to capture trailing audio
+                let settings = get_settings(&self.app_handle);
+                if settings.extra_recording_buffer_ms > 0 {
+                    debug!(
+                        "Extra recording buffer: sleeping {}ms before stopping",
+                        settings.extra_recording_buffer_ms
+                    );
+                    std::thread::sleep(Duration::from_millis(settings.extra_recording_buffer_ms));
+                }
+
                 let samples = if let Some(rec) = self.recorder.lock().unwrap().as_ref() {
                     match rec.stop() {
                         Ok(buf) => buf,

src-tauri/src/settings.rs

@@ -395,6 +395,8 @@ pub struct AppSettings {
     pub whisper_accelerator: WhisperAcceleratorSetting,
     #[serde(default)]
     pub ort_accelerator: OrtAcceleratorSetting,
+    #[serde(default)]
+    pub extra_recording_buffer_ms: u64,
 }
 
 fn default_model() -> String {
@@ -762,6 +764,7 @@ pub fn get_default_settings() -> AppSettings {
         custom_filler_words: None,
         whisper_accelerator: WhisperAcceleratorSetting::default(),
         ort_accelerator: OrtAcceleratorSetting::default(),
+        extra_recording_buffer_ms: 0,
     }
 }
 

src-tauri/src/shortcut/mod.rs

@@ -660,6 +660,15 @@ pub fn change_word_correction_threshold_setting(
     Ok(())
 }
 
+#[tauri::command]
+#[specta::specta]
+pub fn change_extra_recording_buffer_setting(app: AppHandle, ms: u64) -> Result<(), String> {
+    let mut settings = settings::get_settings(&app);
+    settings.extra_recording_buffer_ms = ms;
+    settings::write_settings(&app, settings);
+    Ok(())
+}
+
 #[tauri::command]
 #[specta::specta]
 pub fn change_paste_method_setting(app: AppHandle, method: String) -> Result<(), String> {

src/bindings.ts

@@ -109,6 +109,14 @@ async changeWordCorrectionThresholdSetting(threshold: number) : Promise<Result<n
     else return { status: "error", error: e  as any };
 }
 },
+async changeExtraRecordingBufferSetting(ms: number) : Promise<Result<null, string>> {
+    try {
+    return { status: "ok", data: await TAURI_INVOKE("change_extra_recording_buffer_setting", { ms }) };
+} catch (e) {
+    if(e instanceof Error) throw e;
+    else return { status: "error", error: e  as any };
+}
+},
 async changePasteMethodSetting(method: string) : Promise<Result<null, string>> {
     try {
     return { status: "ok", data: await TAURI_INVOKE("change_paste_method_setting", { method }) };
@@ -779,7 +787,7 @@ async isLaptop() : Promise<Result<boolean, string>> {
 
 /** user-defined types **/
 
-export type AppSettings = { bindings: Partial<{ [key in string]: ShortcutBinding }>; push_to_talk: boolean; audio_feedback: boolean; audio_feedback_volume?: number; sound_theme?: SoundTheme; start_hidden?: boolean; autostart_enabled?: boolean; update_checks_enabled?: boolean; selected_model?: string; always_on_microphone?: boolean; selected_microphone?: string | null; clamshell_microphone?: string | null; selected_output_device?: string | null; translate_to_english?: boolean; selected_language?: string; overlay_position?: OverlayPosition; debug_mode?: boolean; log_level?: LogLevel; custom_words?: string[]; model_unload_timeout?: ModelUnloadTimeout; word_correction_threshold?: number; history_limit?: number; recording_retention_period?: RecordingRetentionPeriod; paste_method?: PasteMethod; clipboard_handling?: ClipboardHandling; auto_submit?: boolean; auto_submit_key?: AutoSubmitKey; post_process_enabled?: boolean; post_process_provider_id?: string; post_process_providers?: PostProcessProvider[]; post_process_api_keys?: Partial<{ [key in string]: string }>; post_process_models?: Partial<{ [key in string]: string }>; post_process_prompts?: LLMPrompt[]; post_process_selected_prompt_id?: string | null; mute_while_recording?: boolean; append_trailing_space?: boolean; app_language?: string; experimental_enabled?: boolean; keyboard_implementation?: KeyboardImplementation; show_tray_icon?: boolean; paste_delay_ms?: number; typing_tool?: TypingTool; external_script_path: string | null; custom_filler_words?: string[] | null; whisper_accelerator?: WhisperAcceleratorSetting; ort_accelerator?: OrtAcceleratorSetting }
+export type AppSettings = { bindings: Partial<{ [key in string]: ShortcutBinding }>; push_to_talk: boolean; audio_feedback: boolean; audio_feedback_volume?: number; sound_theme?: SoundTheme; start_hidden?: boolean; autostart_enabled?: boolean; update_checks_enabled?: boolean; selected_model?: string; always_on_microphone?: boolean; selected_microphone?: string | null; clamshell_microphone?: string | null; selected_output_device?: string | null; translate_to_english?: boolean; selected_language?: string; overlay_position?: OverlayPosition; debug_mode?: boolean; log_level?: LogLevel; custom_words?: string[]; model_unload_timeout?: ModelUnloadTimeout; word_correction_threshold?: number; history_limit?: number; recording_retention_period?: RecordingRetentionPeriod; paste_method?: PasteMethod; clipboard_handling?: ClipboardHandling; auto_submit?: boolean; auto_submit_key?: AutoSubmitKey; post_process_enabled?: boolean; post_process_provider_id?: string; post_process_providers?: PostProcessProvider[]; post_process_api_keys?: Partial<{ [key in string]: string }>; post_process_models?: Partial<{ [key in string]: string }>; post_process_prompts?: LLMPrompt[]; post_process_selected_prompt_id?: string | null; mute_while_recording?: boolean; append_trailing_space?: boolean; app_language?: string; experimental_enabled?: boolean; keyboard_implementation?: KeyboardImplementation; show_tray_icon?: boolean; paste_delay_ms?: number; typing_tool?: TypingTool; external_script_path: string | null; custom_filler_words?: string[] | null; whisper_accelerator?: WhisperAcceleratorSetting; ort_accelerator?: OrtAcceleratorSetting; extra_recording_buffer_ms?: number }
 export type AudioDevice = { index: string; name: string; is_default: boolean }
 export type AutoSubmitKey = "enter" | "ctrl_enter" | "cmd_enter"
 export type AvailableAccelerators = { whisper: string[]; ort: string[] }

src/components/settings/debug/DebugSettings.tsx

@@ -4,6 +4,7 @@ import { type } from "@tauri-apps/plugin-os";
 import { WordCorrectionThreshold } from "./WordCorrectionThreshold";
 import { LogLevelSelector } from "./LogLevelSelector";
 import { PasteDelay } from "./PasteDelay";
+import { RecordingBuffer } from "./RecordingBuffer";
 import { SettingsGroup } from "../../ui/SettingsGroup";
 import { AlwaysOnMicrophone } from "../AlwaysOnMicrophone";
 import { SoundPicker } from "../SoundPicker";
@@ -29,6 +30,7 @@ export const DebugSettings: React.FC = () => {
         />
         <WordCorrectionThreshold descriptionMode="tooltip" grouped={true} />
         <PasteDelay descriptionMode="tooltip" grouped={true} />
+        <RecordingBuffer descriptionMode="tooltip" grouped={true} />
         <AlwaysOnMicrophone descriptionMode="tooltip" grouped={true} />
         <ClamshellMicrophoneSelector descriptionMode="tooltip" grouped={true} />
         {/* Cancel shortcut is disabled on Linux due to instability with dynamic shortcut registration */}

src/components/settings/debug/RecordingBuffer.tsx

@@ -0,0 +1,36 @@
+import React from "react";
+import { useTranslation } from "react-i18next";
+import { Slider } from "../../ui/Slider";
+import { useSettings } from "../../../hooks/useSettings";
+
+interface RecordingBufferProps {
+  descriptionMode?: "tooltip" | "inline";
+  grouped?: boolean;
+}
+
+export const RecordingBuffer: React.FC<RecordingBufferProps> = ({
+  descriptionMode = "tooltip",
+  grouped = false,
+}) => {
+  const { t } = useTranslation();
+  const { settings, updateSetting } = useSettings();
+
+  const handleBufferChange = (value: number) => {
+    updateSetting("extra_recording_buffer_ms", value);
+  };
+
+  return (
+    <Slider
+      value={settings?.extra_recording_buffer_ms ?? 0}
+      onChange={handleBufferChange}
+      min={0}
+      max={1500}
+      step={50}
+      label={t("settings.debug.recordingBuffer.title")}
+      description={t("settings.debug.recordingBuffer.description")}
+      descriptionMode={descriptionMode}
+      grouped={grouped}
+      formatValue={(v) => `${v}ms`}
+    />
+  );
+};

src/components/ui/Slider.tsx

@@ -63,7 +63,7 @@ export const Slider: React.FC<SliderProps> = ({
             }}
           />
           {showValue && (
-            <span className="text-sm font-medium text-text/90 min-w-10 text-end">
+            <span className="text-sm font-medium text-text/90 w-12 text-end">
               {formatValue(value)}
             </span>
           )}

src/i18n/locales/ar/translation.json

@@ -462,6 +462,10 @@
       "pasteDelay": {
         "title": "تأخير اللصق",
         "description": "التأخير قبل إرسال ضغطة مفتاح اللصق (بالمللي ثانية). قم بزيادتها إذا تم لصق نص خاطئ."
+      },
+      "recordingBuffer": {
+        "title": "مخزن التسجيل الإضافي",
+        "description": "وقت إضافي (بالمللي ثانية) للاستمرار في التسجيل بعد تحرير المفتاح، لالتقاط الصوت المتبقي. 0 = لا مخزن إضافي."
       }
     },
     "about": {

src/i18n/locales/cs/translation.json

@@ -484,6 +484,10 @@
       "pasteDelay": {
         "title": "Zpoždění vložení",
         "description": "Zpoždění před odesláním klávesy pro vložení (v milisekundách). Zvyšte, pokud se vkládá špatný text."
+      },
+      "recordingBuffer": {
+        "title": "Extra vyrovnávací paměť nahrávání",
+        "description": "Extra čas (v milisekundách) pro pokračování nahrávání po uvolnění klávesy, pro zachycení zbývajícího zvuku. 0 = žádná extra vyrovnávací paměť."
       }
     },
     "about": {

src/i18n/locales/de/translation.json

@@ -484,6 +484,10 @@
       "pasteDelay": {
         "title": "Einfügeverzögerung",
         "description": "Verzögerung vor dem Senden des Einfüge-Tastendrucks (in Millisekunden). Erhöhen Sie den Wert, wenn falscher Text eingefügt wird."
+      },
+      "recordingBuffer": {
+        "title": "Zusätzlicher Aufnahmepuffer",
+        "description": "Zusätzliche Zeit (in Millisekunden), um nach dem Loslassen der Taste weiterzuzeichnen, um nachlaufendes Audio aufzunehmen. 0 = kein zusätzlicher Puffer."
       }
     },
     "about": {

src/i18n/locales/en/translation.json

@@ -484,6 +484,10 @@
       "pasteDelay": {
         "title": "Paste Delay",
         "description": "Delay before sending paste keystroke (in milliseconds). Increase if wrong text is being pasted."
+      },
+      "recordingBuffer": {
+        "title": "Extra Recording Buffer",
+        "description": "Extra time (in milliseconds) to keep recording after you release the key, to capture trailing audio. 0 = no extra buffer."
       }
     },
     "about": {

src/i18n/locales/es/translation.json

@@ -484,6 +484,10 @@
       "pasteDelay": {
         "title": "Retraso de pegado",
         "description": "Retraso antes de enviar la pulsación de tecla de pegar (en milisegundos). Aumente si se está pegando texto incorrecto."
+      },
+      "recordingBuffer": {
+        "title": "Búfer de grabación adicional",
+        "description": "Tiempo adicional (en milisegundos) para seguir grabando después de soltar la tecla, para capturar el audio restante. 0 = sin búfer adicional."
       }
     },
     "about": {

src/i18n/locales/fr/translation.json

@@ -484,6 +484,10 @@
       "pasteDelay": {
         "title": "Délai de collage",
         "description": "Délai avant l'envoi de la touche de collage (en millisecondes). Augmentez si le mauvais texte est collé."
+      },
+      "recordingBuffer": {
+        "title": "Tampon d'enregistrement supplémentaire",
+        "description": "Temps supplémentaire (en millisecondes) pour continuer l'enregistrement après avoir relâché la touche, pour capturer l'audio restant. 0 = pas de tampon supplémentaire."
       }
     },
     "about": {

src/i18n/locales/it/translation.json

@@ -484,6 +484,10 @@
       "pasteDelay": {
         "title": "Ritardo incolla",
         "description": "Ritardo prima dell'invio del tasto incolla (in millisecondi). Aumentare se viene incollato il testo sbagliato."
+      },
+      "recordingBuffer": {
+        "title": "Buffer di registrazione extra",
+        "description": "Tempo extra (in millisecondi) per continuare a registrare dopo aver rilasciato il tasto, per catturare l'audio finale. 0 = nessun buffer extra."
       }
     },
     "about": {

src/i18n/locales/ja/translation.json

@@ -484,6 +484,10 @@
       "pasteDelay": {
         "title": "貼り付け遅延",
         "description": "貼り付けキー送信前の遅延（ミリ秒）。間違ったテキストが貼り付けられる場合は増やしてください。"
+      },
+      "recordingBuffer": {
+        "title": "追加録音バッファ",
+        "description": "キーを離した後に録音を続ける追加時間（ミリ秒）。末尾の音声を捕捉するため。0 = 追加バッファなし。"
       }
     },
     "about": {

src/i18n/locales/ko/translation.json

@@ -480,6 +480,10 @@
         "title": "붙여넣기 지연",
         "description": "붙여넣기 키 입력을 보내기 전 지연 시간(밀리초). 잘못된 텍스트가 붙여넣어지면 늘리세요."
       },
+      "recordingBuffer": {
+        "title": "추가 녹음 버퍼",
+        "description": "키를 놓은 후 추가로 녹음을 계속하는 시간(밀리초). 후행 오디오를 캡처하기 위함. 0 = 추가 버퍼 없음."
+      },
       "paths": {
         "appData": "앱 데이터:",
         "models": "모델:",

src/i18n/locales/pl/translation.json

@@ -484,6 +484,10 @@
       "pasteDelay": {
         "title": "Opóźnienie wklejania",
         "description": "Opóźnienie przed wysłaniem klawisza wklejania (w milisekundach). Zwiększ, jeśli wklejany jest nieprawidłowy tekst."
+      },
+      "recordingBuffer": {
+        "title": "Dodatkowy bufor nagrywania",
+        "description": "Dodatkowy czas (w milisekundach) na kontynuowanie nagrywania po zwolnieniu klawisza, aby przechwycić końcowy dźwięk. 0 = brak dodatkowego bufora."
       }
     },
     "about": {

src/i18n/locales/pt/translation.json

@@ -484,6 +484,10 @@
       "pasteDelay": {
         "title": "Atraso de colagem",
         "description": "Atraso antes de enviar a tecla de colar (em milissegundos). Aumente se o texto errado estiver sendo colado."
+      },
+      "recordingBuffer": {
+        "title": "Buffer de gravação extra",
+        "description": "Tempo extra (em milissegundos) para continuar gravando após soltar a tecla, para capturar áudio restante. 0 = sem buffer extra."
       }
     },
     "about": {

src/i18n/locales/ru/translation.json

@@ -484,6 +484,10 @@
       "pasteDelay": {
         "title": "Задержка вставки",
         "description": "Задержка перед отправкой нажатия клавиши вставки (в миллисекундах). Увеличьте, если вставляется неправильный текст."
+      },
+      "recordingBuffer": {
+        "title": "Дополнительный буфер записи",
+        "description": "Дополнительное время (в миллисекундах) для продолжения записи после отпускания клавиши, чтобы захватить завершающий звук. 0 = без дополнительного буфера."
       }
     },
     "about": {

src/i18n/locales/tr/translation.json

@@ -484,6 +484,10 @@
       "pasteDelay": {
         "title": "Yapıştırma gecikmesi",
         "description": "Yapıştırma tuşu göndermeden önce gecikme (milisaniye cinsinden). Yanlış metin yapıştırılıyorsa artırın."
+      },
+      "recordingBuffer": {
+        "title": "Ekstra kayıt tamponu",
+        "description": "Tuşu bıraktıktan sonra arka plandaki sesi yakalamak için kaydı sürdürme süresi (milisaniye). 0 = ekstra tampon yok."
       }
     },
     "about": {

src/i18n/locales/uk/translation.json

@@ -484,6 +484,10 @@
       "pasteDelay": {
         "title": "Затримка вставки",
         "description": "Затримка перед надсиланням натискання клавіші вставки (у мілісекундах). Збільшіть, якщо вставляється неправильний текст."
+      },
+      "recordingBuffer": {
+        "title": "Додатковий буфер запису",
+        "description": "Додатковий час (у мілісекундах) для продовження запису після відпускання клавіші, щоб захопити завершальний звук. 0 = без додаткового буфера."
       }
     },
     "about": {

src/i18n/locales/vi/translation.json

@@ -484,6 +484,10 @@
       "pasteDelay": {
         "title": "Độ trễ dán",
         "description": "Độ trễ trước khi gửi phím dán (tính bằng mili giây). Tăng nếu văn bản sai đang được dán."
+      },
+      "recordingBuffer": {
+        "title": "Bộ đệm ghi âm thêm",
+        "description": "Thời gian thêm (tính bằng mili giây) để tiếp tục ghi âm sau khi nhả phím, để thu âm thanh cuối. 0 = không có bộ đệm thêm."
       }
     },
     "about": {

src/i18n/locales/zh-TW/translation.json

@@ -484,6 +484,10 @@
       "pasteDelay": {
         "title": "貼上延遲",
         "description": "發送貼上按鍵前的延遲（毫秒）。如果貼上了錯誤的文字，請增加此值"
+      },
+      "recordingBuffer": {
+        "title": "額外錄音緩衝",
+        "description": "放開按鍵後繼續錄音的額外時間（毫秒），以捕捉尾音。0 = 無額外緩衝。"
       }
     },
     "about": {

src/i18n/locales/zh/translation.json

@@ -484,6 +484,10 @@
       "pasteDelay": {
         "title": "粘贴延迟",
         "description": "发送粘贴按键前的延迟（毫秒）。如果粘贴了错误的文本，请增加此值。"
+      },
+      "recordingBuffer": {
+        "title": "额外录音缓冲",
+        "description": "放开按键后继续录音的额外时间（毫秒），以捕捉尾音。0 = 无额外缓冲。"
       }
     },
     "about": {

src/stores/settingsStore.ts

@@ -147,6 +147,8 @@ const settingUpdaters: {
     ),
   ort_accelerator: (value) =>
     commands.changeOrtAcceleratorSetting(value as OrtAcceleratorSetting),
+  extra_recording_buffer_ms: (value) =>
+    commands.changeExtraRecordingBufferSetting(value as number),
 };
 
 export const useSettingsStore = create<SettingsStore>()(