diff --git a/resources/views/rd/sound-logo/index.blade.php b/resources/views/rd/sound-logo/index.blade.php
index b02e9a48..77de33bb 100644
--- a/resources/views/rd/sound-logo/index.blade.php
+++ b/resources/views/rd/sound-logo/index.blade.php
@@ -1836,25 +1836,23 @@ function soundLogo() {
                         this.bgmProgress = '프롬프트 설정 중...';
 
                         ws.send(JSON.stringify({
-                            client_content: {
+                            clientContent: {
                                 weightedPrompts: [{ text: this.bgmPrompt, weight: 1.0 }]
                             }
                         }));
 
                         ws.send(JSON.stringify({
-                            music_generation_config: {
-                                musicGenerationConfig: {
-                                    bpm: this.bgmBpm,
-                                    density: this.bgmDensity / 100,
-                                    brightness: this.bgmBrightness / 100,
-                                    scale: this.bgmScale,
-                                    temperature: 1.0,
-                                }
+                            musicGenerationConfig: {
+                                bpm: this.bgmBpm,
+                                density: this.bgmDensity / 100,
+                                brightness: this.bgmBrightness / 100,
+                                scale: this.bgmScale,
+                                temperature: 1.0,
                             }
                         }));
 
                         ws.send(JSON.stringify({
-                            playback_control: { playbackControl: 'PLAY' }
+                            playbackControl: 'PLAY'
                         }));
                         playStartTime = Date.now();
                         this.bgmProgress = '음악 생성 중... 0/' + duration + '초';
@@ -1920,7 +1918,7 @@ function soundLogo() {
                 setTimeout(() => {
                     if (ws.readyState === WebSocket.OPEN) {
                         ws.send(JSON.stringify({
-                            playback_control: { playbackControl: 'STOP' }
+                            playbackControl: 'STOP'
                         }));
                         setTimeout(() => {
                             if (ws.readyState === WebSocket.OPEN) ws.close();
@@ -1937,7 +1935,8 @@ function soundLogo() {
 
         async decodeBgmChunks(chunks) {
             try {
-                // base64 청크들을 합쳐서 하나의 PCM 데이터로 변환
+                console.log('[Lyria] 오디오 디코딩 시작: ' + chunks.length + '개 청크');
+                // base64 청크들을 합쳐서 하나의 바이트 배열로 변환
                 const allBytes = [];
                 for (const chunk of chunks) {
                     const binaryStr = atob(chunk);
@@ -1946,8 +1945,28 @@ function soundLogo() {
                     }
                 }
                 const pcmData = new Uint8Array(allBytes);
+                console.log('[Lyria] 전체 PCM 크기:', pcmData.length, 'bytes');
 
-                // Lyria RealTime: 16-bit PCM, stereo, 48kHz (little-endian)
+                if (pcmData.length < 4) {
+                    this.bgmError = '유효한 오디오 데이터가 없습니다.';
+                    this.bgmLoading = false;
+                    return;
+                }
+
+                const ctx = this.getAudioCtx();
+
+                // WAV 헤더 감지 (RIFF 매직넘버) → decodeAudioData 사용
+                const hasWavHeader = pcmData[0] === 0x52 && pcmData[1] === 0x49 && pcmData[2] === 0x46 && pcmData[3] === 0x46;
+                if (hasWavHeader) {
+                    console.log('[Lyria] WAV 헤더 감지, decodeAudioData 사용');
+                    const buffer = await ctx.decodeAudioData(pcmData.buffer.slice(0));
+                    this.bgmBuffer = buffer;
+                    this.toast('배경음악 생성 완료 (' + buffer.duration.toFixed(1) + '초)');
+                    return;
+                }
+
+                // Raw PCM: Lyria RealTime — 16-bit PCM, stereo, 48kHz (little-endian)
+                console.log('[Lyria] Raw PCM 디코딩: 48kHz, stereo, 16-bit LE');
                 const sampleRate = 48000;
                 const numChannels = 2;
                 const bytesPerSample = 2;
@@ -1959,7 +1978,6 @@ function soundLogo() {
                     return;
                 }
 
-                const ctx = this.getAudioCtx();
                 const buffer = ctx.createBuffer(numChannels, numSamples, sampleRate);
                 const view = new DataView(pcmData.buffer);
 
@@ -1968,7 +1986,7 @@ function soundLogo() {
                     for (let i = 0; i < numSamples; i++) {
                         const byteOffset = (i * numChannels + ch) * bytesPerSample;
                         if (byteOffset + 1 < pcmData.length) {
-                            channelData[i] = view.getInt16(byteOffset, true) / 32768; // little-endian
+                            channelData[i] = view.getInt16(byteOffset, true) / 32768;
                         }
                     }
                 }
@@ -1976,6 +1994,7 @@ function soundLogo() {
                 this.bgmBuffer = buffer;
                 this.toast('배경음악 생성 완료 (' + buffer.duration.toFixed(1) + '초)');
             } catch (e) {
+                console.error('[Lyria] 오디오 디코딩 실패:', e);
                 this.bgmError = '오디오 디코딩 실패: ' + e.message;
                 this.toast('배경음악 오디오 처리에 실패했습니다.', 'error');
             } finally {