AEPAudioTrackClip
@interface AEPAudioTrackClip : NSObject音轨片段
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                  媒体ID DeclarationObjective-C @property (nonatomic, readonly) int mediaId;
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                  音轨片段类型 DeclarationObjective-C @property (nonatomic, readonly) AEPAudioTrackClipType type;
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                  音频资源 DeclarationObjective-C @property (nonatomic, strong, readonly) AEPSource *source;
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                  片段内部开始时间(秒) DeclarationObjective-C @property (nonatomic, readonly) NSTimeInterval clipIn;
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                  片段内部结束时间(秒) DeclarationObjective-C @property (nonatomic, readonly) NSTimeInterval clipOut;
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                  片段时长 DeclarationObjective-C @property (nonatomic, readonly) NSTimeInterval clipDuration;
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                  时间线的持续时间(秒) DeclarationObjective-C @property (nonatomic, readonly) NSTimeInterval duration;
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                  时间线上的开始时间(秒) DeclarationObjective-C @property (nonatomic, readonly) NSTimeInterval timelineIn;
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                  时间线上的结束时间(秒) DeclarationObjective-C @property (nonatomic, readonly) NSTimeInterval timelineOut;
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                  混音权重 DeclarationObjective-C @property (nonatomic, readonly) int mixWeight;
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                  降噪权重 DeclarationObjective-C @property (nonatomic, readonly) int denoiseWeight;
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                  音效 DeclarationObjective-C @property (nonatomic, strong, readonly) AEPAudioEffect *audioEffect;
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                  声音淡入效果 DeclarationObjective-C @property (nonatomic, strong, readonly) AEPAudioFadeEffect *fadeInEffect;
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                  声音淡出效果 DeclarationObjective-C @property (nonatomic, strong, readonly) AEPAudioFadeEffect *fadeOutEffect;
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                  编辑器中的片段对象 DeclarationObjective-C @property (nonatomic, strong, readonly) AliyunEffectMusic *editorClip;
 AEPAudioTrackClip Class Reference
        AEPAudioTrackClip Class Reference