Check if Qwen3-TTS Service is Available
Description
Quick check if Qwen3-TTS API is reachable. Distinguishes from Chatterbox by checking for the qwen3-specific /v1/audio/speech/design endpoint.
Usage
1qwen3_available(port = NULL, timeout = 2)
Arguments
port: Port to check (default from QWEN3_TTS_PORT env var or 7811)timeout: Timeout in seconds (default 2)
Value
TRUE if Qwen3-TTS is available, FALSE otherwise
Examples
1 if (qwen3_available()) {
2 tts("Hello", voice = "Vivian", backend = "qwen3")
3 }