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Group Delay - Explanations and Applications
https://radio-labs.com/designfile/dn004.pdf
the signal power. The group delay requirement is to minimise group delay distortion. The total delay is often unimportant (in radio systems it is normally swamped by the propagation delay), however variations in group delay across the channel will cause distortion of the signal waveform. The reliable determination of group delay requirements
Time delay in audio amplifiers - Hydrogenaudio
https://hydrogenaud.io/index.php?topic=114705.0
Re: Time delay in audio amplifiers. Reply #11 – 2017-09-27 20:45:32. I think that he mistook the power up delay with the signal delay, although this delay is important to take in consideration for the power up sequence. And a power amplifier can easily have a power up delay of 0.5 seconds or more. pdq.
Discussion of Group Delay in Loudspeakers - True Audio
https://www.trueaudio.com/post_010.htm
So frequency, phase and group delay are really just different takes on the same information. My current preference is to interpret this phenomenon in terms of "cycles of delay". This can be calculated from group delay by dividing the group delay by the period of the frequency at each point. I call this "normalizing" the group delay by period.
AES E-Library » On the Audibility of Group Delay ...
https://www.aes.org/e-lib/browse.cfm?elib=5800
Therefore, the group delay distortion of audio equipment at low frequencies should not be neglected. abstract= {many books and articles on electroacoustics tell, that the phase frequency response of an electroacoustic transmission channel does not play an important role concerning the quality of the reproduced sound. authors often state, that ...
Group Delay - Keysight
https://na.support.keysight.com/pna/help/latest/Tutorials/Group_Delay6_5.htm
Group delay is: A measure of device phase distortion. The transit time of a signal through a device versus frequency. The derivative of the device's phase characteristic with respect to frequency. Refer to the graphic below for the following discussion: The phase characteristic of a device typically consists of both linear and higher order ...
Group Audio Delay : sonos
https://www.reddit.com/r/sonos/comments/she7oy/group_audio_delay/
Play:1s are surround for the Arc. I just recently realized in the settings under “tv dialogue sync” there is a setting for “group audio delay”. The only products I have are the Arc and 2 Play:1s which are the surround. 1. level 1. · 1 hr. ago. The group delay …
Dirac & group delay - DSP, Room Correction, and Multi ...
https://audiophilestyle.com/forums/topic/19361-dirac-amp-group-delay/
If you want 2.1, 2.2, 2.3 or 2.4, you need to dial in the correct delay and crossover down stream first. Once you have your main R/L delays and rear sub delay correct (if needed), get your crossover set with a smooth phase trace. There's no "easy button" for this. It takes some knowledge of REW.
Application Note Group Delay Measurements
https://cdn.rohde-schwarz.com/pws/dl_downloads/dl_application/application_notes/1ef98/1EF98_1e.pdf
Group Delay measurements with ... For non-frequency converting devices like cables, filters or amplifiers, the measurements of S 21 at two different frequencies can happen in sequence. The VNA delivers the test signal with known amplitude and phase, and the received signal is
Frequency Delay Dispersion | audioXpress
https://audioxpress.com/article/frequency-delay-dispersion
Then the group delay drops steeply, for example, to 0.332mS at 1.5kHz. The dashed curve is the group delay of this same eight-stage resonant all-pass additionally cascaded with two stages of the first-order (non-resonant) all-pass circuit previously described. Note how the delay variation from DC to 500Hz is reduced.
TAS5630 Class D Filter Design and Importance of Group Delay
https://e2e.ti.com/support/audio-group/audio/f/audio-forum/128237/tas5630-class-d-filter-design-and-importance-of-group-delay
Attached is a schematic and a Group delay creen capture for a 40 Ohm Input - Output Impedance filter with 40Khz Pass band and -40 dB 150Khz stop band points. We are running the TAS5630 Amp at 1.5Mhz (150Khz into the filters) Is the peaking shown in the group delay acceptable? If not, how much peaking can the TAS5630 IC tolerate. Thank You. Ray Ward
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