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Audio Frequency Shift Keying

A selection of articles related to audio frequency shift keying.

Army Radio Sales Co. - Home Chapter 10: Digital Transmission Techniques Audio frequency-shift keying | Facebook Frequency-shift keying - Wikipedia, the free encyclopedia

Original articles from our library related to the Audio Frequency Shift Keying. See Table of Contents for further available material (downloadable resources) on Audio Frequency Shift Keying.

Do Subliminal Audio Tapes Work?
The theoretical potential for subliminal audio is not able to be established from the published scientific data at this time. Clearly, the published empirical data show that subliminal audio influence is either extremely weak or non-existent. And most...
Parapsychology >> Subliminal Persuasion
Raising the World Mind (GM10-11)
Part 1 | Part 2 Part 1 The wise live in accord with natural laws. It is they who understand that the laws of nature are much higher than the laws of man, because breaking them implies penalties far greater than a fine or prison sentence. When a person...
Mind >> World Mind
More Group Mind Basics (GM2)
The similarities between the function of a two-way radio and the human body can be quite surprising. The body/mind constantly emits all aspects of our internal state to the environment, and in turn receives inputs from the world in the same manner. When we...
Mind >> Telepathy and Group Mind
The Earthmind Material
Part 1 | Part 2 Author's Note All references made in the first person(s) herein, are grammatical conveniences created for the sake of the reader. Such words as "I", "OUR", and "I/WE" are therefore not meant to be taken as literal...
Mind >> World Mind
A Treatise on Astral Projection, Part 4: More Rope Techniques
ROPE is a very effective projection technique, but it still has to be learned to be effective. I would like to elaborate on a couple of points about the technique, inspired by the feedback I have received so far. There is NO visualization required - AT ALL -...
Parapsychology >> Astral Projection
The PK Man Seen From an African Perspective
I have been fortunate over the past ten years to have had the opportunity to study the shamanism used in the rain forest of southwestern Nigeria. This is the traditional home of the Yoruba Nation which is one of the largest cultural groups in Western Africa...
>> Psychic Abilities
Religions >> Native American, Shamanism

Audio Frequency Shift Keying is described in multiple online sources, as addition to our editors' articles, see section below for printable documents, Audio Frequency Shift Keying books and related discussion.

Suggested Pdf Resources

ASK- Amplitude Shift Keying
Amplitude shift keying - ASK - in the context of digital communications is a an analog switch, the carrier frequency would need to be in the audio range.
FSK: Signals and Demodulation
spectrum several audio FSK signals are often combined for transmission by a single-side- band transmitter.
Phase Shift Keying (PSK) Radio
PSK31 operates in a much narrower bandwidth than FSK (Frequency Shift. Keying).
Frequency-shift keying (FSK)

Suggested News Resources

Integrated device addresses HART communications
The Bell 202 modem used audio frequency shift keying (FSK) to support data rates of up to 1200bit/s in half duplex mode. With differential FSK, full duplex communications were offered at rates of up to 1800bit/s.

Suggested Web Resources

Frequency-shift keying - Wikipedia, the free encyclopedia
Audio frequency-shift keying | Facebook
BIBLIO.DOC - Transponder Modes and Modems
AFSK (Audio Frequency-Shift Keying). A variation of FSK where two audio frequencies are alternately used to frequency-modulate an rf carrier.
FSK: Signals and Demodulation
spectrum several audio FSK signals are often combined for transmission by a single-side- band transmitter.
Getting Started on RTTY - Introduction
AFSK vs. FSK (Audio Frequency Shift Keying vs.

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