diff --git a/src/main/services/AudioCaptureService.ts b/src/main/services/AudioCaptureService.ts
index 9b6a993..18e443e 100644
--- a/src/main/services/AudioCaptureService.ts
+++ b/src/main/services/AudioCaptureService.ts
@@ -234,10 +234,11 @@ class AudioCaptureService extends EventEmitter {
     try {
       // PowerShell로 Windows 오디오 입력 디바이스 열거
       const { execSync } = await import('child_process')
-      const psCommand = `Get-CimInstance Win32_SoundDevice | Where-Object { $_.StatusInfo -eq 3 } | Select-Object -Property DeviceID, Name | ConvertTo-Json -Compress`
+      const psCommand = `[Console]::OutputEncoding = [Text.Encoding]::UTF8; Get-CimInstance Win32_SoundDevice | Where-Object { $_.StatusInfo -eq 3 } | Select-Object -Property DeviceID, Name | ConvertTo-Json -Compress`
       const output = execSync(`powershell -NoProfile -Command "${psCommand}"`, {
         encoding: 'utf8',
         timeout: 5000,
+        env: { ...process.env, PYTHONIOENCODING: 'utf-8' },
       }).trim()
 
       if (output) {