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    • 3. 发明授权
    • Method and apparatus for facilitating group musical interaction over a network
    • 用于促进通过网络进行组音乐交互的方法和装置
    • US06353174B1
    • 2002-03-05
    • US09459737
    • 1999-12-10
    • Dan SchmidtJonathon BellEran EgozyMichael JamesGreg LoPiccoloAlexander Rigopulos
    • Dan SchmidtJonathon BellEran EgozyMichael JamesGreg LoPiccoloAlexander Rigopulos
    • G10H700
    • G10H1/0058G10H2210/391G10H2240/056G10H2240/175G10H2240/305H04L29/06H04L67/10H04L67/12H04L69/329
    • Described are a system and method for achieving near real-time musical collaboration by a group of users using computers connected by a network. Each computer system plays a stream of musical data to each user. The musical data stream played to each user corresponds to the musical collaboration produced by the users. The playing of the musical data streams is staggered such that each user is located at a different time in the musical collaboration than every other user. This staggering separates any two users by a temporal offset that exceeds the maximum time required to transmit musical data from one user to another user over the network. Each user is allowed to modify the portion of the musical data stream that is currently being played to that user. Such musical data modifications are transmitted to other users over the network to become incorporated into the musical data streams played to those other users. Because the musical data streams are staggered by a temporal offset that exceeds the maximum latency of the network, those other users to receive the musical data modifications with sufficient time to incorporate them into the locally played musical data streams.
    • 描述了一种用于使用由网络连接的计算机的一组用户实现近实时音乐协作的系统和方法。 每个计算机系统向每个用户播放音乐数据流。 播放给每个用户的音乐数据流对应于用户产生的音乐协作。 音乐数据流的播放是交错的,使得每个用户位于音乐协作中的不同时间,而不是每个其他用户。 这种惊人的分离任何两个用户的时间偏移超过了通过网络将音乐数据从一个用户传输到另一个用户所需的最大时间。 允许每个用户将当前正在播放的音乐数据流的部分修改到该用户。 这样的音乐数据修改通过网络发送到其他用户,以便并入到播放给那些其他用户的音乐数据流中。 由于音乐数据流由超过网络的最大等待时间的时间偏移量交错,所以其他用户接收音乐数据的足够时间进行修改以将它们并入本地播放的音乐数据流中。
    • 7. 发明申请
    • System and method for synchronizing a live musical performance with a reference performance
    • 用于将现场音乐表演与参考演出同步的系统和方法
    • US20050252362A1
    • 2005-11-17
    • US10846366
    • 2004-05-14
    • Mike McHaleEran Egozy
    • Mike McHaleEran Egozy
    • G10H1/36G10H3/12G09B15/08G10H7/00
    • G10H1/368G10H3/125G10H2210/091G10H2220/141
    • In a music video game, a player's performance is digitally sampled while the player performs a musical composition. The player's performance is compared with a reference performance of the musical composition provided by the music video game. Performance feedback is presented to the player based on the results of the comparison. In some embodiments, sample times associated with digital samples of the player's live vocal performance are compared against timestamps of data records embedded or otherwise accompanying the reference performance audio track. Pitch and rhythm information is retrieved from the data record having a timestamp that most closely matches the sample time of interest. The pitch and rhythm data is used to compute pitch and rhythm errors, which are used to generate performance evaluation data. The performance evaluation data is used to present performance feedback to the player while the player is performing the musical composition.
    • 在音乐视频游戏中,玩家的演奏被数字采样,而玩家执行音乐作品。 玩家的表现与由音乐视频游戏提供的音乐作品的参考表演进行比较。 根据比较结果向玩家提供性能反馈。 在一些实施例中,将与玩家的实时声乐表演的数字样本相关联的采样时间与嵌入的或附带的参考演奏音轨的数据记录的时间戳进行比较。 从具有与感兴趣的采样时间最接近的时间戳的数据记录中检索音调和节奏信息。 音调和节奏数据用于计算音高和节奏错误,用于产生性能评估数据。 性能评估数据用于在播放器执行音乐作品时向玩家呈现性能反馈。