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fix(tts): use Chinese voice for CJK text in edge-tts provider (openclaw#52355)

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Verified:
- pnpm test -- extensions/microsoft/speech-provider.test.ts extensions/microsoft/tts.test.ts

Notes:
- Rebases and refactor-port completed onto current main.
- No required GitHub checks were reported for this branch at merge time.

Co-authored-by: Extra Small <littleshuai.bot@gmail.com>
This commit is contained in:
Extra Small
2026-03-28 19:06:48 -07:00
committed by GitHub
parent f1970b8aef
commit 69a0a0edc5
3 changed files with 130 additions and 12 deletions
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33
extensions/microsoft/speech-provider.ts
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@@ -122,6 +122,29 @@ function formatMicrosoftVoiceDescription(entry: MicrosoftVoiceListEntry): string
return personalities.length > 0 ? personalities.join(", ") : undefined;
}
export function isCjkDominant(text: string): boolean {
const stripped = text.replace(/\s+/g, "");
if (stripped.length === 0) {
return false;
}
let cjkCount = 0;
for (const ch of stripped) {
const code = ch.codePointAt(0) ?? 0;
if (
(code >= 0x4e00 && code <= 0x9fff) ||
(code >= 0x3400 && code <= 0x4dbf) ||
(code >= 0x3000 && code <= 0x303f) ||
(code >= 0xff00 && code <= 0xffef)
) {
cjkCount += 1;
}
}
return cjkCount / stripped.length > 0.3;
}
const DEFAULT_CHINESE_EDGE_VOICE = "zh-CN-XiaoxiaoNeural";
const DEFAULT_CHINESE_EDGE_LANG = "zh-CN";
export async function listMicrosoftVoices(): Promise<SpeechVoiceOption[]> {
const response = await fetch(
"https://speech.platform.bing.com/consumer/speech/synthesize/readaloud/voices/list" +
@@ -205,11 +228,18 @@ export function buildMicrosoftSpeechProvider(): SpeechProviderPlugin {
mkdirSync(tempRoot, { recursive: true, mode: 0o700 });
const tempDir = mkdtempSync(path.join(tempRoot, "tts-microsoft-"));
const overrideVoice = trimToUndefined(req.providerOverrides?.voice);
let voice = overrideVoice ?? config.voice;
let lang = config.lang;
let outputFormat =
trimToUndefined(req.providerOverrides?.outputFormat) ?? config.outputFormat;
const fallbackOutputFormat =
outputFormat !== DEFAULT_EDGE_OUTPUT_FORMAT ? DEFAULT_EDGE_OUTPUT_FORMAT : undefined;
if (!overrideVoice && voice === DEFAULT_EDGE_VOICE && isCjkDominant(req.text)) {
voice = DEFAULT_CHINESE_EDGE_VOICE;
lang = DEFAULT_CHINESE_EDGE_LANG;
}
try {
const runEdge = async (format: string) => {
const fileExtension = inferEdgeExtension(format);
@@ -219,7 +249,8 @@ export function buildMicrosoftSpeechProvider(): SpeechProviderPlugin {
outputPath,
config: {
...config,
voice: overrideVoice ?? config.voice,
voice,
lang,
outputFormat: format,
},
timeoutMs: req.timeoutMs,