From ea48f0a3f0a8404106c21223ce2e8b5a646bae74 Mon Sep 17 00:00:00 2001
From: moecinnamo <abcd2890000456@gmail.com>
Date: Fri, 12 Sep 2025 14:34:53 +0800
Subject: [PATCH] modify README

---
 README.md | 99 -------------------------------------------------------
 1 file changed, 99 deletions(-)

diff --git a/README.md b/README.md
index aa4016c..eef3c79 100644
--- a/README.md
+++ b/README.md
@@ -28,105 +28,6 @@
 2. 内置API调用失败怎么办？
 请查看具体错误代码后，加入QQ群：865754861，或电报群 http://t.me/MeowMusicServer 给出错误代码和日志，等待我们修复。
 
-3. 歌曲播放时唤醒词不生效怎么办？
-
-把main\application.cc文件的AddAudioData方法改成如下代码
-
-``` c++
-void Application::AddAudioData(AudioStreamPacket&& packet) {
-    auto codec = Board::GetInstance().GetAudioCodec();
-    if (device_state_ == kDeviceStateIdle && codec->output_enabled()) {
-        // packet.payload包含的是原始PCM数据（int16_t）
-        if (packet.payload.size() >= 2) {
-            size_t num_samples = packet.payload.size() / sizeof(int16_t);
-            std::vector<int16_t> pcm_data(num_samples);
-            memcpy(pcm_data.data(), packet.payload.data(), packet.payload.size());
-            
-            // 检查采样率是否匹配，如果不匹配则进行简单重采样
-            if (packet.sample_rate != codec->output_sample_rate()) {
-                // ESP_LOGI(TAG, "Resampling music audio from %d to %d Hz", 
-                //         packet.sample_rate, codec->output_sample_rate());
-                
-                // 验证采样率参数
-                if (packet.sample_rate <= 0 || codec->output_sample_rate() <= 0) {
-                    ESP_LOGE(TAG, "Invalid sample rates: %d -> %d", 
-                            packet.sample_rate, codec->output_sample_rate());
-                    return;
-                }
-                
-                std::vector<int16_t> resampled;
-                
-                // 使用浮点数计算精确的重采样比率Add commentMore actions
-                float ratio = static_cast<float>(packet.sample_rate) / codec->output_sample_rate();
-                
-                if (packet.sample_rate > codec->output_sample_rate()) {
-                    // 降采样：按精确比率跳跃采样
-                    size_t expected_size = static_cast<size_t>(pcm_data.size() / ratio + 0.5f);
-                    resampled.reserve(expected_size);
-                    
-                    for (float i = 0; i < pcm_data.size(); i += ratio) {
-                        size_t index = static_cast<size_t>(i + 0.5f);  // 四舍五入
-                        if (index < pcm_data.size()) {
-                            resampled.push_back(pcm_data[index]);
-                        }
-                    }
-                    
-                    ESP_LOGD(TAG, "Downsampled %d -> %d samples (ratio: %.3f)", 
-                            pcm_data.size(), resampled.size(), ratio);
-                            
-                } else {
-                    // 上采样：线性插值
-                    float upsample_ratio = codec->output_sample_rate() / static_cast<float>(packet.sample_rate);
-                    size_t expected_size = static_cast<size_t>(pcm_data.size() * upsample_ratio + 0.5f);
-                    resampled.reserve(expected_size);
-                    
-                    for (size_t i = 0; i < pcm_data.size(); ++i) {
-                        // 添加原始样本
-                        resampled.push_back(pcm_data[i]);
-                        
-                        // 计算需要插值的样本数
-                        int interpolation_count = static_cast<int>(upsample_ratio) - 1;
-                        if (interpolation_count > 0 && i + 1 < pcm_data.size()) {
-                            int16_t current = pcm_data[i];
-                            int16_t next = pcm_data[i + 1];
-                            for (int j = 1; j <= interpolation_count; ++j) {
-                                float t = static_cast<float>(j) / (interpolation_count + 1);
-                                int16_t interpolated = static_cast<int16_t>(current + (next - current) * t);
-                                resampled.push_back(interpolated);
-                            }
-                        } else if (interpolation_count > 0) {
-                            // 最后一个样本，直接重复
-                            for (int j = 1; j <= interpolation_count; ++j) {
-                                resampled.push_back(pcm_data[i]);
-                            }
-                        }
-                    }
-                    
-                    ESP_LOGI(TAG, "Upsampled %d -> %d samples (ratio: %.2f)", 
-                            pcm_data.size(), resampled.size(), upsample_ratio);
-                }
-                
-                pcm_data = std::move(resampled);
-            }
-            
-            // 确保音频输出已启用
-            if (!codec->output_enabled()) {
-                codec->EnableOutput(true);
-            }
-            
-            // 发送PCM数据到音频编解码器
-            codec->OutputData(pcm_data);
-            
-            // 更新最后输出时间，防止OnAudioOutput自动禁用音频
-            {
-                std::lock_guard<std::mutex> lock(mutex_);
-                last_output_time_ = std::chrono::steady_clock::now();
-            }
-        }
-    }
-}
-```
-
 ### ⚙️已支持硬件芯片系列
 
 - ESP32