Windows phone 7 在silverlight wp7中录制扬声器发出的声音

我需要在一个文件中记录不同的声音。文件可能是.mp3、.wav等。如何在windows phone 7中实现此功能？

在windows phone中有一种简单的方法。您基本上使用的是框架提供的麦克风类。有关此主题的精彩文章，请访问

无效OnRecordButtonClickobject发送方，RoutedEventArgs参数 { 如果麦克风.State==麦克风状态.Stopped { //清除用于存储缓冲区的集合 备忘录收集。清晰

            // Stop any playback in progress (not really necessary, but polite I guess)
            playback.Stop();

            // Start recording
            microphone.Start();
        }
        else
        {
            StopRecording();
        }

        // Update the record button
        bool isRecording = microphone.State == MicrophoneState.Started;
        UpdateRecordButton(isRecording);
    }

    void StopRecording()
    {
        // Get the last partial buffer
        int sampleSize = microphone.GetSampleSizeInBytes(microphone.BufferDuration);
        byte[] extraBuffer = new byte[sampleSize];
        int extraBytes = microphone.GetData(extraBuffer);

        // Stop recording
        microphone.Stop();

        // Create MemoInfo object and add at top of collection
        int totalSize = memoBufferCollection.Count * sampleSize + extraBytes;
        TimeSpan duration = microphone.GetSampleDuration(totalSize);
        MemoInfo memoInfo = new MemoInfo(DateTime.UtcNow, totalSize, duration);
        memoFiles.Insert(0, memoInfo);

        // Save data in isolated storage
        using (IsolatedStorageFile storage = IsolatedStorageFile.GetUserStoreForApplication())
        {
            using (IsolatedStorageFileStream stream = storage.CreateFile(memoInfo.FileName))
            {
                // Write buffers from collection
                foreach (byte[] buffer in memoBufferCollection)
                    stream.Write(buffer, 0, buffer.Length);

                // Write partial buffer
                stream.Write(extraBuffer, 0, extraBytes);
            }
        }

        // Scroll to show new MemoInfo item
        memosListBox.UpdateLayout();
        memosListBox.ScrollIntoView(memoInfo);
    }