diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e8b9fac76..5121777542 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,7 @@
 ### Client
 - Enhance: プラグインでエラーが発生した場合のハンドリングを強化
 - Enhance: 細かなUIのブラッシュアップ
+- Enhance: サウンド設定に「サウンドを出力しない」と「Misskeyがアクティブな時のみサウンドを出力する」を追加
 - Fix: 効果音が再生されるとデバイスで再生している動画や音声が停止する問題を修正 #12339
 - Fix: デッキに表示されたチャンネルの表示先チャンネルを切り替えた際、即座に反映されない問題を修正 #12236
 - Fix: プラグインでノートの表示を書き換えられない問題を修正
diff --git a/locales/index.d.ts b/locales/index.d.ts
index fc6653b05b..fdc86a979b 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -547,6 +547,8 @@ export interface Locale {
     "popout": string;
     "volume": string;
     "masterVolume": string;
+    "notUseSound": string;
+    "useSoundOnlyWhenActive": string;
     "details": string;
     "chooseEmoji": string;
     "unableToProcess": string;
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 67a57f994c..a8aa2d50d6 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -544,6 +544,8 @@ showInPage: "ページで表示"
 popout: "ポップアウト"
 volume: "音量"
 masterVolume: "マスター音量"
+notUseSound: "サウンドを出力しない"
+useSoundOnlyWhenActive: "Misskeyがアクティブな時のみサウンドを出力する"
 details: "詳細"
 chooseEmoji: "絵文字を選択"
 unableToProcess: "操作を完了できません"
diff --git a/packages/frontend/src/pages/settings/sounds.vue b/packages/frontend/src/pages/settings/sounds.vue
index cd1707a594..7f78f9724e 100644
--- a/packages/frontend/src/pages/settings/sounds.vue
+++ b/packages/frontend/src/pages/settings/sounds.vue
@@ -5,6 +5,12 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <div class="_gaps_m">
+	<MkSwitch v-model="notUseSound">
+		<template #label>{{ i18n.ts.notUseSound }}</template>
+	</MkSwitch>
+	<MkSwitch v-model="useSoundOnlyWhenActive">
+		<template #label>{{ i18n.ts.useSoundOnlyWhenActive }}</template>
+	</MkSwitch>
 	<MkRange v-model="masterVolume" :min="0" :max="1" :step="0.05" :textConverter="(v) => `${Math.floor(v * 100)}%`">
 		<template #label>{{ i18n.ts.masterVolume }}</template>
 	</MkRange>
@@ -35,7 +41,10 @@ import MkFolder from '@/components/MkFolder.vue';
 import { i18n } from '@/i18n.js';
 import { definePageMetadata } from '@/scripts/page-metadata.js';
 import { defaultStore } from '@/store.js';
+import MkSwitch from '@/components/MkSwitch.vue';
 
+const notUseSound = computed(defaultStore.makeGetterSetter('sound_notUseSound'));
+const useSoundOnlyWhenActive = computed(defaultStore.makeGetterSetter('sound_useSoundOnlyWhenActive'));
 const masterVolume = computed(defaultStore.makeGetterSetter('sound_masterVolume'));
 
 const soundsKeys = ['note', 'noteMy', 'notification', 'antenna', 'channel'] as const;
diff --git a/packages/frontend/src/scripts/sound.ts b/packages/frontend/src/scripts/sound.ts
index 4b0cd0bb39..00a50c9639 100644
--- a/packages/frontend/src/scripts/sound.ts
+++ b/packages/frontend/src/scripts/sound.ts
@@ -92,7 +92,7 @@ export function play(type: 'noteMy' | 'note' | 'antenna' | 'channel' | 'notifica
 
 export async function playFile(file: string, volume: number) {
 	const masterVolume = defaultStore.state.sound_masterVolume;
-	if (masterVolume === 0 || volume === 0) {
+	if (isMute() || masterVolume === 0 || volume === 0) {
 		return;
 	}
 
@@ -104,3 +104,18 @@ export async function playFile(file: string, volume: number) {
 	soundSource.connect(gainNode).connect(ctx.destination);
 	soundSource.start();
 }
+
+export function isMute(): boolean {
+	if (defaultStore.state.sound_notUseSound) {
+		// サウンドを出力しない
+		return true;
+	}
+
+	// noinspection RedundantIfStatementJS
+	if (defaultStore.state.sound_useSoundOnlyWhenActive && document.visibilityState === 'hidden') {
+		// ブラウザがアクティブな時のみサウンドを出力する
+		return true;
+	}
+
+	return false;
+}
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index 6d95ddba35..5937ab0b3d 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -387,6 +387,14 @@ export const defaultStore = markRaw(new Storage('base', {
 		where: 'device',
 		default: 0.3,
 	},
+	sound_notUseSound: {
+		where: 'device',
+		default: false,
+	},
+	sound_useSoundOnlyWhenActive: {
+		where: 'device',
+		default: false,
+	},
 	sound_note: {
 		where: 'device',
 		default: { type: 'syuilo/n-aec', volume: 1 },