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Articles Tagged Phase

  • Tuesday, November 22, 2016
    Hadi Sumoro & Xian Yu 11/22/16 12:53 PM,
    This article is provided by HX Audio Lab   In the current digital world, audio analyzers with FFT or TDS functions are easily able to show the magnitude and phase response of a loudspeaker. These software analyzers are not expensive and are widely used in live sound, installation and loudspeaker development. Several popular software analyzers are ARTA, Smaart, Systune and EASERA. And there are many others. Phase response is often questioned. Many practitioners use the software functions such as: delay… View this story
    Filed in: AVFeatureStudy HallEducationEngineerLoudspeakerMeasurementSound Reinforcement

  • Friday, August 26, 2016
    sound waves
    Bruce A. Miller 08/26/16 06:36 AM,
    This article is provided by   Sound waves vibrate up and down in repeating cycles while they bounce around. Besides having positive and negative phases (when the sound is going up or going down), the cycles have physical length needed for a complete cycle back to the starting point (“wavelength”). High-frequency sounds are made from rapidly moving sound waves that can complete a cycle in a short distance, while low frequency sounds are made from slowly moving sound waves… View this story
    Filed in: RecordingFeatureBlogStudy HallEducationMeasurementMicrophoneProcessorSignalSound ReinforcementStudio

  • Thursday, August 18, 2016
    Jon Tidey 08/18/16 06:26 AM,
    This article is provided by Audio Geek Zine.   Phase is a constant concern for recording and mixing engineers. Problems with phase can ruin your music; it can be easily avoided or corrected, but first you need understand how the problem occurs. This guide will attempt to explain almost everything there is to know about phase, what it is, how it happens, what it can sound like and some techniques to deal with it. What Is Phase? I’m going to… View this story
    Filed in: RecordingFeatureBlogStudy HallConsolesDigital Audio WorkstationsMeasurementMicrophoneProcessorSignalSoftwareStudio

  • Thursday, June 30, 2016
    Merlijn van Veen 06/30/16 06:13 AM,
    “It turns out that, within very generous tolerances, humans are insensitive to phase shifts. Under carefully contrived circumstances, special signals auditioned in anechoic conditions, or through headphones, people have heard slight differences. However, even these limited results have failed to provide clear evidence of a “preference” for a lack of phase shift. When auditioned in real rooms, these differences disappear…” – Dr. Floyd Toole As Dr. Toole states, a lot of people, including myself, have a hard time detecting phase… View this story
    Filed in: AVFeatureStudy HallAVEducationLoudspeakerMeasurementSound Reinforcement

  • Monday, March 21, 2016
    Daniel Keller 03/21/16 05:36 AM,
    Courtesy of Universal Audio.   Has your mix ever sounded “not quite right” but you can’t quite put your finger on it? You might be experiencing phase cancellation, a phenomenon that can make certain frequencies vanish from your mix. To help you out, this Studio Basics article will help you understand phase — what it is, why it matters, and what it means to be out of it. This article delivers some basics on the subject of sound waves and… View this story
    Filed in: RecordingFeatureStudy HallDigitalDigital Audio WorkstationsProcessorSoftwareStudio

  • Monday, March 02, 2015
    live sound international
    Andy Coules 03/02/15 11:43 AM,
    In my experience of teaching live sound, one of the most commonly misunderstood concepts is that of phase. The source of the misunderstanding typically derives from a confusion between the concepts of phase and polarity. So let’s take a look at these two concepts and see how they relate to live sound. The first time most people come across phase is when they’re introduced to the “phase reverse” button (denoted by a circle with a line through it at 45… View this story
    Filed in: AVFeatureBlogStudy HallAVEducationLoudspeakerMeasurementMicrophoneSignalSound Reinforcement

  • Tuesday, February 17, 2015
    rep recording phasing
    Jerry Ferree 02/17/15 08:31 AM,
    From the archives of the late, great Recording Engineer/Producer (RE/P) magazine, this feature offers an interesting look back at techniques for recording electronic instruments. The article dates back to September, 1970. (Volume 1, Number 1). The text is presented unaltered, along with all original graphics. Everyone who listens to pop music has at some time heard that weird swishing effect swooping down through a drum solo or a vocal group making them sound rather like a long-distance short wave broadcast.… View this story
    Filed in: RecordingFeatureBlogStudy HallAnalogEducationProcessorStudio

  • Tuesday, February 05, 2013
    Chuck McGregor 02/05/13 10:05 AM,
    Polarity and Phase - two terms are often used as if they mean the same thing. They are not. POLARITY: In electricity this is a simple reversal of the plus and minus voltage. It doesn’t matter whether it is DC or AC voltage. For DC, Turn a battery around in a flashlight and you have inverted or, more commonly stated, reversed the polarity of the voltage going to the light bulb. For AC, interchange the two wires at the input… View this story
    Filed in: AVFeaturePollStudy HallProductionAudioAVEducationLoudspeakerSignal

  • Thursday, December 16, 2010
    Joan La Roda 12/16/10 02:41 PM, 0 Comments
    This is the third in a multi-part series. Additional segments are available here. Previously we examined the basics of cardioid subwoofer systems. These examples continue that series. Example 2. “Measurements on a real system: two facing forward and one backward” In this example our cardioid configuration uses three stacked DAS LX218A subwoofers. The top and bottom ones are facing forward while the centre one is firing backward. The DAS LX218A subwoofer is a self-powered system incorporating signal processing (crossover and… View this story
    Filed in: Live SoundFeaturePollLine ArrayLoudspeakerSoftwareSound ReinforcementSubwooferSystemAudio

  • Monday, December 06, 2010
    Joan La Roda 12/06/10 03:55 PM, 0 Comments
    This is the second in a multi-part series. Additional segments are available here. Previously we examined the basics of cardioid subwoofer systems. This example continues that series. Example 1. “Scaled down measurements: one cabinet in front and one cabinet behind” Before trying to do these adjustments for the first time in a real- life situation, where one may not always have enough time and where conditions are far from ideal, scaled down measurements can be handy to get some practice… View this story
    Filed in: Live SoundFeaturePollLoudspeakerSignalSound ReinforcementSubwooferSystemAudio

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