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    • 33. 发明授权
    • Method and apparatus for creating spatialized sound
    • 用于创建空间化声音的方法和装置
    • US08638946B1
    • 2014-01-28
    • US10802319
    • 2004-03-16
    • Jerry Mahabub
    • Jerry Mahabub
    • H04R5/00
    • H04R5/00H04S7/30H04S2420/01
    • A method and apparatus for creating spatialized sound, including the operations of determining a spatial point in a spherical coordinate system, and applying an impulse response filter corresponding to the spatial point to a first segment of the audio waveform to yield a spatialized waveform. The spatialized waveform emulates the audio characteristics of a non-spatialized waveform emanating from the chosen spatial point. That is, when the spatialized waveform is played from a pair of speakers, the played sound apparently emanates from the chosen spatial point instead of the speakers. A finite impulse response filter may be employed to spatialize the audio waveform. The finite impulse response filter may be derived from a head-related transfer function modeled in spherical coordinates, rather than a typical Cartesian coordinate system. The spatialized audio waveform ignores speaker cross-talk effects, and requires no specialized decoders, processors, or software logic to recreate the spatialized sound.
    • 一种用于创建空间化声音的方法和装置,包括确定球面坐标系中的空间点的操作,以及将与空间点相对应的脉冲响应滤波器应用于音频波形的第一段以产生空间化波形。 空间化波形模拟从所选择的空间点发出的非空间化波形的音频特性。 也就是说,当从一对扬声器播放空间化波形时,播放的声音显然从所选择的空间点而不是扬声器发出。 可以使用有限脉冲响应滤波器来使音频波形空间化。 有限脉冲响应滤波器可以从以球面坐标建模的头部相关传递函数导出,而不是典型的笛卡尔坐标系。 空间化音频波形忽略扬声器串扰效应,并且不需要专门的解码器,处理器或软件逻辑来重现空间化声音。
    • 34. 发明申请
    • APPARATUS AND METHOD FOR LOCALIZING A SOUND IMAGE, AND A NON-TRANSITORY COMPUTER READABLE MEDIUM
    • 用于定位声像的装置和方法,以及非终端计算机可读介质
    • US20130336490A1
    • 2013-12-19
    • US13716907
    • 2012-12-17
    • KABUSHIKI KAISHA TOSHIBA
    • Keiichiro SOMEDA
    • H04R5/00
    • H04R5/00H04S3/02H04S7/30H04S2420/01
    • According to one embodiment, a sound localization apparatus includes a storage unit, a selection unit, and a first operation unit. The storage unit stores a plurality of acoustic transfer characteristics each corresponding to a sound image direction and an emphasis degree of feeling of localization. The selection unit is configured to select a suitable acoustic transfer characteristic from the plurality of acoustic transfer characteristics. The suitable acoustic transfer characteristic is most suitable for the sound image direction indicated by a direction indication information and the emphasis degree indicated by an emphasis degree indication information. The first operation unit is configured to convolute the suitable acoustic transfer characteristic with a first audio signal to obtain a second audio signal.
    • 根据一个实施例,声音定位装置包括存储单元,选择单元和第一操作单元。 存储单元存储各自对应于声像方向和强调定位感的多个声传递特性。 选择单元被配置为从多个声学传递特性中选择合适的声学传递特性。 合适的声传递特性最适合于由方向指示信息指示的声像方向和由强调度指示信息指示的强度。 第一操作单元被配置为使合适的声传递特性与第一音频信号进行卷积以获得第二音频信号。
    • 39. 发明授权
    • Data searching using spatial auditory cues
    • 使用空间听觉线索进行数据搜索
    • US08417703B2
    • 2013-04-09
    • US12905340
    • 2010-10-15
    • Pei XiangManish Mahajan
    • Pei XiangManish Mahajan
    • G06F3/16G06F17/30
    • H04R5/00G06F3/167G06F17/30775G06F17/30864
    • Spatial auditory cues are produced while a user searches a database for stored information. The spatial auditory cues assist the user in quickly locating stored information by producing sounds that are perceived at specific physical locations in space around the user as the search proceeds. Each location may be associated with different information. Thus, using the techniques disclosed herein, a user can more easily recall stored information by remembering the locations of sound produced by particular spatial auditory cues. The spatial auditory cues may be used in conjunction with a visual search interface. A method of producing auditory cues includes receiving a search action at a user interface included in a device, translating the search action into a spatial auditory cue corresponding to a specific location within a space, and rendering the spatial auditory cue as an audio output signal.
    • 当用户在数据库中搜索存储的信息时,产生空间听觉线索。 空间听觉线索通过在搜索进行时通过产生在用户周围的空间中的特定物理位置处感知到的声音来帮助用户快速定位存储的信息。 每个位置都可能与不同的信息相关联。 因此,使用本文公开的技术,用户可以通过记住由特定空间听觉线索产生的声音的位置来更容易地回忆存储的信息。 空间听觉线索可以与视觉搜索界面结合使用。 一种产生听觉提示的方法包括在包括在设备中的用户界面处接收搜索动作,将搜索动作转换成对应于空间内的特定位置的空间听觉线索,以及将空间听觉提示呈现为音频输出信号。