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  2. Loudspeaker time alignment - Wikipedia

    en.wikipedia.org/wiki/Loudspeaker_time_alignment

    In 1975 Ed Long [1] in cooperation with Ronald J. Wickersham invented the first technique to Time-Align a loudspeaker systems. In 1976 Long presented "A Time-Align Technique for Loudspeakers System Design" [2] at the 54th AES convention demonstrating the use of the Time-Align generator to design improved crossover networks for multi-way loudspeakers systems.

  3. Loudspeaker measurement - Wikipedia

    en.wikipedia.org/wiki/Loudspeaker_measurement

    For a multiple sound source speaker system, the measurement should be carried out for all sound sources (woofer, bass-reflex vent, midrange speaker, tweeter...). These measurements are easy to carry out, can be done at almost any room, more punctual than in-box measurements, and predicts half-space measurements, but without directivity information.

  4. AAC-LD - Wikipedia

    en.wikipedia.org/wiki/AAC-LD

    The MPEG-4 Low Delay Audio Coder (a.k.a. AAC Low Delay, or AAC-LD) is audio compression standard designed to combine the advantages of perceptual audio coding with the low delay necessary for two-way communication. It is closely derived from the MPEG-2 Advanced Audio Coding (AAC) standard.

  5. Digital delay line - Wikipedia

    en.wikipedia.org/wiki/Digital_delay_line

    If a delay line holds a non-integer value smaller than one, it results in a fractional delay line (also called interpolated delay line or fractional delay filter). A series of an integer delay line and a fractional delay filter is commonly used for modelling arbitrary delay filters in digital signal processing . [ 2 ]

  6. Advanced Audio Coding - Wikipedia

    en.wikipedia.org/wiki/Advanced_Audio_Coding

    The audio coding standards MPEG-4 Low Delay , Enhanced Low Delay (AAC-ELD), and Enhanced Low Delay v2 (AAC-ELDv2) as defined in ISO/IEC 14496-3:2009 and ISO/IEC 14496-3:2009/Amd 3 are designed to combine the advantages of perceptual audio coding with the low delay necessary for two-way communication. They are closely derived from the MPEG-2 ...

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  8. Latency (audio) - Wikipedia

    en.wikipedia.org/wiki/Latency_(audio)

    Latency refers to a short period of delay (usually measured in milliseconds) between when an audio signal enters a system, and when it emerges.Potential contributors to latency in an audio system include analog-to-digital conversion, buffering, digital signal processing, transmission time, digital-to-analog conversion, and the speed of sound in the transmission medium.

  9. 'My son died at 24 - now I'm doing his bucket list' - AOL

    www.aol.com/son-died-24-now-im-032508904.html

    For now, there are several items on the bucket list remaining, from meeting Declan's favourite podcasters Chris and Rosie Ramsey, to having his van reviewed by former Top Gear presenter Chris Harris.