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Today
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04-24 00:01

Audio Import 시, 원하는 최적화 관련 설정 자동 셋팅하도록 소스 정리 함.

(AudioCompressionFormat은 심플하게 Vobis / Quality 40으로 통일함.)

 

using System.IO;
using UnityEditor;
using UnityEngine;

public class AssetPostprocessor_Audio : AssetPostprocessor
{
    /*
     * 오디오클립 파일 경로
     * Resources - Sound ┬ BGM - MainBGM
     *                   ├ InGame - SFX
     *                   └ SoundEffect ┬ OutGame
     *                                 ├ UI
     *                                 └ Voice
     * Resources_AssetBundles ┬ sound ┬ sound_effect
     *                        │       ├ sound_main_bgm
     *                        │       ├ sound_sub_bgm
     *                        │       └ sound_voice
     *                        ├ sound_scenario
     *                        └ sound_scenario_StreamingAssets
     */
    void OnPreprocessAudio()
    {
        bool bDefaultSettingChanged = false;
        AudioImporter audioImporter = assetImporter as AudioImporter;
        AudioImporterSampleSettings defaultSampleSettings = audioImporter.defaultSampleSettings;
        AudioImporterSampleSettings iosSampleSettings = audioImporter.GetOverrideSampleSettings("iOS");
        bool biOSSettingChanged = false;

        UnityEditor.SerializedObject serializedObject = new UnityEditor.SerializedObject(audioImporter);
        UnityEditor.SerializedProperty normalize = serializedObject.FindProperty("m_Normalize");

        string strPath = audioImporter.assetPath;
        Debug.LogFormat("[audioImporter.assetPath] {0}", strPath);

        // Folder Name
        if (strPath.StartsWith("Assets/Resources/Sound/BGM"))
        {
            audioImporter.forceToMono = true;
            normalize.boolValue = false;
            audioImporter.loadInBackground = true;
            //audioImporter.ambisonic = false;

            defaultSampleSettings.loadType = AudioClipLoadType.Streaming;
            audioImporter.preloadAudioData = false;
            defaultSampleSettings.compressionFormat = AudioCompressionFormat.Vorbis;
            defaultSampleSettings.quality = 0.4f;   // 40
            defaultSampleSettings.sampleRateSetting = AudioSampleRateSetting.OptimizeSampleRate;

            //iosSampleSettings.loadType = AudioClipLoadType.Streaming;
            //iosSampleSettings.compressionFormat = AudioCompressionFormat.MP3;
            //iosSettingChanged = true;

            bDefaultSettingChanged = true;
        }
        else if (strPath.StartsWith("Assets/Resources/Sound/InGame/SFX"))
        {
            audioImporter.forceToMono = true;
            normalize.boolValue = false;
            audioImporter.loadInBackground = false;
            //audioImporter.ambisonic = false;

            defaultSampleSettings.loadType = AudioClipLoadType.DecompressOnLoad;
            audioImporter.preloadAudioData = true;
            defaultSampleSettings.compressionFormat = AudioCompressionFormat.Vorbis;
            defaultSampleSettings.quality = 0.4f;   // 40
            defaultSampleSettings.sampleRateSetting = AudioSampleRateSetting.OptimizeSampleRate;

            bDefaultSettingChanged = true;
        }
        else if (strPath.StartsWith("Assets/Resources/Sound/SoundEffect/OutGame"))
        {
            audioImporter.forceToMono = true;
            normalize.boolValue = false;
            audioImporter.loadInBackground = false;
            //audioImporter.ambisonic = false;

            defaultSampleSettings.loadType = AudioClipLoadType.DecompressOnLoad;
            audioImporter.preloadAudioData = true;
            defaultSampleSettings.compressionFormat = AudioCompressionFormat.Vorbis;
            defaultSampleSettings.quality = 0.4f;   // 40
            defaultSampleSettings.sampleRateSetting = AudioSampleRateSetting.OptimizeSampleRate;

            bDefaultSettingChanged = true;
        }
        else if (strPath.StartsWith("Assets/Resources/Sound/SoundEffect/UI"))
        {
            audioImporter.forceToMono = true;
            normalize.boolValue = false;
            audioImporter.loadInBackground = false;
            //audioImporter.ambisonic = false;

            defaultSampleSettings.loadType = AudioClipLoadType.DecompressOnLoad;
            audioImporter.preloadAudioData = true;
            defaultSampleSettings.compressionFormat = AudioCompressionFormat.Vorbis;
            defaultSampleSettings.quality = 0.4f;   // 40
            defaultSampleSettings.sampleRateSetting = AudioSampleRateSetting.OptimizeSampleRate;

            bDefaultSettingChanged = true;
        }
        else if (strPath.StartsWith("Assets/Resources/Sound/SoundEffect/Voice"))
        {
            audioImporter.forceToMono = true;
            normalize.boolValue = false;
            audioImporter.loadInBackground = false;
            //audioImporter.ambisonic = false;

            defaultSampleSettings.loadType = AudioClipLoadType.CompressedInMemory;
            audioImporter.preloadAudioData = true;
            defaultSampleSettings.compressionFormat = AudioCompressionFormat.Vorbis;
            defaultSampleSettings.quality = 0.4f;   // 40
            defaultSampleSettings.sampleRateSetting = AudioSampleRateSetting.OptimizeSampleRate;

            bDefaultSettingChanged = true;
        }
        else if (strPath.StartsWith("Assets/Resources_AssetBundles/sound/sound_effect"))
        {
            audioImporter.forceToMono = true;
            normalize.boolValue = false;
            audioImporter.loadInBackground = false;
            //audioImporter.ambisonic = false;

            defaultSampleSettings.loadType = AudioClipLoadType.DecompressOnLoad;
            audioImporter.preloadAudioData = true;
            defaultSampleSettings.compressionFormat = AudioCompressionFormat.Vorbis;
            defaultSampleSettings.quality = 0.4f;   // 40
            defaultSampleSettings.sampleRateSetting = AudioSampleRateSetting.OptimizeSampleRate;

            bDefaultSettingChanged = true;
        }
        else if (strPath.StartsWith("Assets/Resources_AssetBundles/sound/sound_main_bgm"))
        {
            audioImporter.forceToMono = true;
            normalize.boolValue = false;
            audioImporter.loadInBackground = true;
            //audioImporter.ambisonic = false;

            defaultSampleSettings.loadType = AudioClipLoadType.Streaming;
            audioImporter.preloadAudioData = false;
            defaultSampleSettings.compressionFormat = AudioCompressionFormat.Vorbis;
            defaultSampleSettings.quality = 0.4f;   // 40
            defaultSampleSettings.sampleRateSetting = AudioSampleRateSetting.OptimizeSampleRate;

            bDefaultSettingChanged = true;
        }
        else if (strPath.StartsWith("Assets/Resources_AssetBundles/sound/sound_sub_bgm"))
        {
            audioImporter.forceToMono = true;
            normalize.boolValue = false;
            audioImporter.loadInBackground = true;
            //audioImporter.ambisonic = false;

            defaultSampleSettings.loadType = AudioClipLoadType.Streaming;
            audioImporter.preloadAudioData = false;
            defaultSampleSettings.compressionFormat = AudioCompressionFormat.Vorbis;
            defaultSampleSettings.quality = 0.4f;   // 40
            defaultSampleSettings.sampleRateSetting = AudioSampleRateSetting.OptimizeSampleRate;

            bDefaultSettingChanged = true;
        }
        else if (strPath.StartsWith("Assets/Resources_AssetBundles/sound/sound_voice"))
        {
            audioImporter.forceToMono = true;
            normalize.boolValue = false;
            audioImporter.loadInBackground = false;
            //audioImporter.ambisonic = false;

            defaultSampleSettings.loadType = AudioClipLoadType.CompressedInMemory;
            audioImporter.preloadAudioData = true;
            defaultSampleSettings.compressionFormat = AudioCompressionFormat.Vorbis;
            defaultSampleSettings.quality = 0.4f;   // 40
            defaultSampleSettings.sampleRateSetting = AudioSampleRateSetting.OptimizeSampleRate;

            bDefaultSettingChanged = true;
        }
        else if (strPath.StartsWith("Assets/Resources_AssetBundles/sound_scenario"))
        {
            // File Name
            if (strPath.Contains("/bg_"))  // BGM
            {
                audioImporter.forceToMono = true;
                normalize.boolValue = false;
                audioImporter.loadInBackground = true;
                //audioImporter.ambisonic = false;

                defaultSampleSettings.loadType = AudioClipLoadType.Streaming;
                audioImporter.preloadAudioData = false;
                defaultSampleSettings.compressionFormat = AudioCompressionFormat.Vorbis;
                defaultSampleSettings.quality = 0.4f;   // 40
                defaultSampleSettings.sampleRateSetting = AudioSampleRateSetting.OptimizeSampleRate;

                bDefaultSettingChanged = true;
            }
            else if(strPath.Contains("/se_"))  // SFX
            {
                audioImporter.forceToMono = true;
                normalize.boolValue = false;
                audioImporter.loadInBackground = false;
                //audioImporter.ambisonic = false;

                defaultSampleSettings.loadType = AudioClipLoadType.DecompressOnLoad;
                audioImporter.preloadAudioData = true;
                defaultSampleSettings.compressionFormat = AudioCompressionFormat.Vorbis;
                defaultSampleSettings.quality = 0.4f;   // 40
                defaultSampleSettings.sampleRateSetting = AudioSampleRateSetting.OptimizeSampleRate;

                bDefaultSettingChanged = true;
            }
            else    // Etc(SFX?)
            {
                audioImporter.forceToMono = true;
                normalize.boolValue = false;
                audioImporter.loadInBackground = false;
                //audioImporter.ambisonic = false;

                defaultSampleSettings.loadType = AudioClipLoadType.DecompressOnLoad;
                audioImporter.preloadAudioData = true;
                defaultSampleSettings.compressionFormat = AudioCompressionFormat.Vorbis;
                defaultSampleSettings.quality = 0.4f;   // 40
                defaultSampleSettings.sampleRateSetting = AudioSampleRateSetting.OptimizeSampleRate;

                bDefaultSettingChanged = true;
            }
        }
        else if (strPath.StartsWith("Assets/Resources_AssetBundles/sound_scenario_StreamingAssets"))
        {
            // File Name
            if (strPath.Contains("/bg_"))  // BGM(
            {
                audioImporter.forceToMono = true;
                normalize.boolValue = false;
                audioImporter.loadInBackground = true;
                //audioImporter.ambisonic = false;

                defaultSampleSettings.loadType = AudioClipLoadType.Streaming;
                audioImporter.preloadAudioData = false;
                defaultSampleSettings.compressionFormat = AudioCompressionFormat.Vorbis;
                defaultSampleSettings.quality = 0.4f;   // 40
                defaultSampleSettings.sampleRateSetting = AudioSampleRateSetting.OptimizeSampleRate;

                bDefaultSettingChanged = true;
            }
            else if (strPath.Contains("/se_"))  // SFX
            {
                audioImporter.forceToMono = true;
                normalize.boolValue = false;
                audioImporter.loadInBackground = false;
                //audioImporter.ambisonic = false;

                defaultSampleSettings.loadType = AudioClipLoadType.DecompressOnLoad;
                audioImporter.preloadAudioData = true;
                defaultSampleSettings.compressionFormat = AudioCompressionFormat.Vorbis;
                defaultSampleSettings.quality = 0.4f;   // 40
                defaultSampleSettings.sampleRateSetting = AudioSampleRateSetting.OptimizeSampleRate;

                bDefaultSettingChanged = true;
            }
            else    // Etc(SFX?)
            {
                audioImporter.forceToMono = true;
                normalize.boolValue = false;
                audioImporter.loadInBackground = false;
                //audioImporter.ambisonic = false;

                defaultSampleSettings.loadType = AudioClipLoadType.DecompressOnLoad;
                audioImporter.preloadAudioData = true;
                defaultSampleSettings.compressionFormat = AudioCompressionFormat.Vorbis;
                defaultSampleSettings.quality = 0.4f;   // 40
                defaultSampleSettings.sampleRateSetting = AudioSampleRateSetting.OptimizeSampleRate;

                bDefaultSettingChanged = true;
            }
        }

        try
        {
            // 수정됐으면 Save
            if (true == bDefaultSettingChanged)
            {
                audioImporter.defaultSampleSettings = defaultSampleSettings;
                serializedObject.ApplyModifiedProperties();
                if (true == biOSSettingChanged)
                {
                    audioImporter.SetOverrideSampleSettings("iOS", iosSampleSettings);
                }
                audioImporter.SaveAndReimport();

                EditorUtility.SetDirty(audioImporter);

                Debug.LogFormat("[{0}] has been imported to [{1}]\n[Force To Mono] {2}\n[Normalize] {3}\n[Load In Background] {4}\n[Load Type] {5}\n[Compression Format] Default: {6}, iOS: {7}\n[Quality] {8}\n[Sample Rate Setting] {9}",
                                Path.GetFileName(strPath),
                                Path.GetDirectoryName(strPath),
                                audioImporter.forceToMono.ToString(),
                                normalize.boolValue,
                                audioImporter.loadInBackground,
                                defaultSampleSettings.loadType.ToString(),
                                defaultSampleSettings.compressionFormat.ToString(),
                                iosSampleSettings.compressionFormat.ToString(),
                                (defaultSampleSettings.quality * 100f),
                                defaultSampleSettings.sampleRateSetting.ToString()
                                );
            }

            // OnPreprocessAudio() 에서는 Refresh 안함
            //AssetDatabase.Refresh();
        }
        catch (System.Exception e)
        {
            Debug.LogError(e);
        }
    }

    // 파일이 이동한 경우 다시 임포트.
    static void OnPostprocessAllAssets(string[] importedAssets, string[] deletedAssets, string[] movedAssets, string[] movedFromAssetPaths)
    {
        try
        {
            foreach (string movedAsset in movedAssets)
            {
                if (movedAsset.StartsWith("Assets/Resources/Sound")
                    || movedAsset.StartsWith("Assets/Resources_AssetBundles/sound")
                    || movedAsset.StartsWith("Assets/Resources_AssetBundles/sound_scenario")
                    || movedAsset.StartsWith("Assets/Resources_AssetBundles/sound_scenario_StreamingAssets")
                    )
                {
                    AssetDatabase.ImportAsset(movedAsset);
                }
            }
        }
        catch (System.Exception e)
        {
            Debug.LogError(e);
        }
    }
}

 

[참조]

https://overworks.github.io/unity/2018/09/22/unity-audio-clip-import-guide.html

https://jwidaegi.blogspot.com/2019/07/unity-sound.html?sc=1680659862098#c4452839809969885205

https://www.jianshu.com/p/b389936ff1ad

https://blog.csdn.net/hururu20120502/article/details/121425411

https://drehzr.tistory.com/1016

 

 

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[링크] https://overworks.github.io/unity/2018/09/22/unity-audio-clip-import-guide.html

 

유니티 오디오 클립 임포트 설정 가이드

옵션 설명

overworks.github.io

 

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[링크] https://blog.naver.com/dj3630/221461311485

 

[유니티 기초] - Audio

적절한 배경음악이나 효과음만으로도 게임의 분위기가 크게 좌우된다. 유니티는 사운드 미들웨어인 FMO...

blog.naver.com

 

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오디오 재생을 위해
.net framework에 기본으로 포함되어 있는
System.Media.SoundPlayer를 사용중 몇가지 문제점을 발견하여
대체할 수 있는 놈들을 아래와 같이 조사해 보았습니다.
최종적으로는 오픈소스인 NAudio 를 선택하였구요..
써보니.. 좋네요.. ^^

1. DirectX

   - http://www.alvas.net/alvas.audio.aspx 
   - Microsoft.DirectX.AudioVideoPlayback.dll 을 참조추가
   - .net 1.x기준으로 만들어진듯함. 2.0~3.5에서는 초기 로딩시 Loader Lock Exception 발생
   - Loader Lock 예외처리 : http://hanury.net/wp/archives/549  
   - .net 4.0에서는 실행안됨

2. System.Media.SoundPlayer

   - 동시에 여러개의 사운드를 재생할 수 없음
   - A가 재생중, B를 멈추면 A도 멈춤
   - 사용이 쉬움
   - Stream 사용이 가능하여 음원을 Resource에 넣어서 배포 가능
   - .wav 파일만 지원함
   

3. Alvas.Net

   - 상용
   - http://www.alvas.net/alvas.audio.aspx 
   - 기능 : Records audio, Plays audio, Set up mixer controls, Edits audio, Converts audio


4. NAudio

   - 무료, 오픈소스
   - http://naudio.codeplex.com/ 
   - Play back audio, Decompress audio, Record audio, Mix and manipulate audio streams 등..
   - Stream 사용가능, wav 및 mp3 사용가능


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