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Traditionally drone is often provided by one or more tanpura player(s), especially for vocal performances. The electronic tanpura was created as a marketable, practical solution for instrumentalists, having their hands otherwise engaged, who cannot readily avail themselves of able tanpura players for their long hours of private practice.
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The actual tuning is done on three levels: firstly by means of the large pegs, secondly, by carefully shifting tuning-beads for micro-tuning and thirdly, on a tanpura, by even more careful shifting of the cotton threads that pass between the strings and the bridge, somewhat before the zenith of its curve.
Nowadays, electronic shruti boxes are commonly used, which are called shruthi pettige in Kannada, shruti petti in Tamil, Malayalam, and Telugu, and sur peti in Hindi. [ 2 ] [ 3 ] Recent versions also allow for changes to be made in the tempo, and the notes such as Madhyamam, Nishadam to be played in place of the usual three notes (i.e., lower ...
Many models of communication include the idea that a sender encodes a message and uses a channel to transmit it to a receiver. Noise may distort the message along the way. The receiver then decodes the message and gives some form of feedback. [1] Models of communication simplify or represent the process of communication.
The primary electronic media sources familiar to the general public are video recordings, audio recordings, multimedia presentations, slide presentations, CD-ROM and online content. Most new media are in the form of digital media. However, electronic media may be in either analogue electronics data or digital electronic data format.
The encoding/decoding model of communication emerged in rough and general form in 1948 in Claude E. Shannon's "A Mathematical Theory of Communication," where it was part of a technical schema for designating the technological encoding of signals.
Mathematical models of the channel can be made to describe how the input (the transmitted signal) is mapped to the output (the received signal). There exist many types and uses of channel models specific to the field of communication. In particular, separate models are formulated to describe each layer of a communication system.