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Audio Noise- Reduction IC | Analog Devices
https://www.analog.com/en/analog-dialogue/articles/audio-noise-reduction-ic.html
Audio Noise-Reduction IC Single-ended system achieves 25dB of noise reduction without pre-encoding. by John McDonald Download PDF. The SSM2000* is an audio dual-channel noise-reduction IC that reduces noise through a combination of variable filtering and downward expansion, in conjunction with a unique adaptive noise-threshold detector.
AS3410/30 Active Noise Cancellation ICs - ams | DigiKey
https://www.digikey.com/en/product-highlight/a/ams/as341030-active-noise-cancellation-ics
AS3410/30 series from ams offers active noise cancellation, with low power consumption. The ams AS3410/30 combine a high quality (0.1% THD, >100dB SNR), true ground, audio headphone amplifier with all the necessary circuitry to enable active noise cancellation, all at very-low power consumption, specifically targeting accessories. The AS3410 is ideally suited …
Upgrading the ICOM IC-705 with BHI’s Amazing Noise ...
https://qrper.com/2021/08/upgrading-the-icom-ic-705-with-bhis-amazing-noise-reduction-module/
An easily accessible, multi-function button on the IC-705’s “back rim” gives a great improvement over the stock noise reduction. (ICOM, with all your resources, why can’t you design a DSP NR circuit that works as well as BHI’s? ) I admit it! I’m in love with BHI Ltd.’s DSP noise reduction accessories. I’ve owned most of their popular models like the DSP Desktop Speaker, …
Audio line noise suppression for home audio:(1) Audio …
https://www.murata.com/en-global/products/emc/emifil/overview/lineup/audio/solution
While the NFZ_SD audio line filter exhibits significant noise suppression effects even when a large current is flowing, the noise suppression of common ferrite beads is insufficient when the current value is large (2.4 A), which results in noise radiation that exceeds the standard value.
How to Reduce Audio Noise in Your Recordings - …
https://www.techsmith.com/blog/not-late-reduce-audio-noise-recordings-free/
How do I reduce audio noise? Use your audio editors noise reduction feature. In TechSmith Audiate, click the Filters and Effects button and then click the plus sign and choose DeNoise. You can adjust the settings to get the sound you desire.
Dynamic Noise Reduction Circuit (DNR)
https://www.petervis.com/electronics%20guides/dynamic%20noise%20reduction/dynamic%20noise%20reduction.html
Dynamic Noise Reduction (DNR) is a method of removing noise from an audio signal, because any media that stores signals in analogue format is usually prone to such noise issues. An audio magnetic tape that stores data on grains of magnetic particles may exhibit noise after a few years. This noise may be due to the tape wearing out or perhaps damage due to heat, which …
How to fix the IC-7000 audio noise (hiss)
https://www.qsl.net/va3iul/Files/IC7000_audio_noise.pdf
To fix this problem have to lower the cut-off frequency of the active audio filter (IC2551) which is placed before the audio power amplifier (IC2602). How to do: - Remove the top cover of the radio and unplug the speaker. - Remove the spring clip of the audio Power Amplifier (IC2602 - see picture). - Remove the CPU/Logic unit (Silver box).
Active Noise Cancellation (ANC) | ams
https://ams.com/en/active-noise-cancellation
ams Digital Active Noise Cancellation (ANC) technology tunes out ambient noise through market leading ANC performance >40dB. The technology simultaneously tunes in speech and music with its natural and boosted transparency modes. The ams Augmented Hearing device supports feedforward, feedback and hybrid ANC topologies as well as featuring Automatic Leakage …
NE58633 Noise reduction class-D headphone driver …
https://www.nxp.com/docs/en/data-sheet/NE58633.pdf
The NE58633 is a stereo, noise reduction, class-D, Bridge-Tied Load (BTL) headphone driver amplifier. Each channel comprises a class-D BTL headphone driver amplifier, an electret microphone low noise preamplifier, feedback noise reduction circuit and a music amplifier input. The NE58633 operates with a battery voltage of 0.9 V to 1.7 V.
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