diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a1bdd233d..bf3fecb5b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -54,6 +54,7 @@
 	- 例: `$[unixtime 1701356400]`
 - 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 6e9fe311f1..6097ae130e 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 0b051b6190..1f6695b3e3 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/boot/common.ts b/packages/frontend/src/boot/common.ts
index 12bb56a874..594fe64230 100644
--- a/packages/frontend/src/boot/common.ts
+++ b/packages/frontend/src/boot/common.ts
@@ -204,12 +204,16 @@ export async function common(createVue: () => App<Element>) {
 
 	if (defaultStore.state.keepScreenOn) {
 		if ('wakeLock' in navigator) {
-			navigator.wakeLock.request('screen');
-
-			document.addEventListener('visibilitychange', async () => {
-				if (document.visibilityState === 'visible') {
-					navigator.wakeLock.request('screen');
-				}
+			navigator.wakeLock.request('screen')
+			.then(() => {
+				document.addEventListener('visibilitychange', async () => {
+					if (document.visibilityState === 'visible') {
+						navigator.wakeLock.request('screen');
+					}
+				});
+			})
+			.catch(() => {
+				// If Permission fails on an AppleDevice such as Safari
 			});
 		}
 	}
diff --git a/packages/frontend/src/components/MkMediaVideo.vue b/packages/frontend/src/components/MkMediaVideo.vue
index 43c64b4c85..b6e8f1ff22 100644
--- a/packages/frontend/src/components/MkMediaVideo.vue
+++ b/packages/frontend/src/components/MkMediaVideo.vue
@@ -37,6 +37,7 @@ import * as Misskey from 'misskey-js';
 import bytes from '@/filters/bytes.js';
 import { defaultStore } from '@/store.js';
 import { i18n } from '@/i18n.js';
+import hasAudio from '@/scripts/media-has-audio.js';
 
 const props = defineProps<{
 	video: Misskey.entities.DriveFile;
@@ -49,6 +50,12 @@ const videoEl = shallowRef<HTMLVideoElement>();
 watch(videoEl, () => {
 	if (videoEl.value) {
 		videoEl.value.volume = 0.3;
+		hasAudio(videoEl.value).then(had => {
+			if (!had) {
+				videoEl.value.loop = videoEl.value.muted = true;
+				videoEl.value.play();
+			}
+		});
 	}
 });
 </script>
diff --git a/packages/frontend/src/pages/settings/sounds.vue b/packages/frontend/src/pages/settings/sounds.vue
index 244bb1e0e2..05e4b0d14c 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', 'reaction'] as const;
diff --git a/packages/frontend/src/scripts/media-has-audio.ts b/packages/frontend/src/scripts/media-has-audio.ts
new file mode 100644
index 0000000000..3421a38a76
--- /dev/null
+++ b/packages/frontend/src/scripts/media-has-audio.ts
@@ -0,0 +1,9 @@
+export default async function hasAudio(media: HTMLMediaElement) {
+	const cloned = media.cloneNode() as HTMLMediaElement;
+	cloned.muted = (cloned as typeof cloned & Partial<HTMLVideoElement>).playsInline = true;
+	cloned.play();
+	await new Promise((resolve) => cloned.addEventListener('playing', resolve));
+	const result = !!(cloned as any).audioTracks?.length || (cloned as any).mozHasAudio || !!(cloned as any).webkitAudioDecodedByteCount;
+	cloned.remove();
+	return result;
+}
diff --git a/packages/frontend/src/scripts/sound.ts b/packages/frontend/src/scripts/sound.ts
index d28d629227..a3cddba1f4 100644
--- a/packages/frontend/src/scripts/sound.ts
+++ b/packages/frontend/src/scripts/sound.ts
@@ -104,7 +104,7 @@ export async function playFile(file: string, volume: number) {
 
 export function createSourceNode(buffer: AudioBuffer, volume: number) : AudioBufferSourceNode | null {
 	const masterVolume = defaultStore.state.sound_masterVolume;
-	if (masterVolume === 0 || volume === 0) {
+	if (isMute() || masterVolume === 0 || volume === 0) {
 		return null;
 	}
 
@@ -117,3 +117,18 @@ export function createSourceNode(buffer: AudioBuffer, volume: number) : AudioBuf
 
 	return soundSource;
 }
+
+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 f2ed4e7c0b..40fb1dde76 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -391,6 +391,14 @@ 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 },