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Sound effects were originally added to productions by creating the sounds needed in real-time. Various devices and props were utilized to approximate the actual sounds, including coconut shells for horse hooves, and a sheet of metal for thunder. With the advent of radio and specifically radio dramas, the role of sound effects became more important.
Certain words in the English language represent animal sounds: the noises and vocalizations of particular animals, especially noises used by animals for communication. The words can be used as verbs or interjections in addition to nouns , and many of them are also specifically onomatopoeic .
a sound server for integration of general and low-latency pro audio applications, including timebase transport GPL-2.0-or-later LGPL-2.1-or-later: Linux Audio Developers Simple Plugin API (LADSPA) Yes a plugin architecture for digital signal processing: LGPL-2.1-or-later: Open Sound System: Yes Yes
Upsweep is an unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays. This sound was present when the Pacific Marine Environmental Laboratory began recording its sound surveillance system, SOSUS, in August 1991. It consists of a long train of narrow-band upsweeping sounds of several seconds in duration each.
Mixed sounds involving "concurrent superimposition" of growls, noisy bark: After barking, play behavior was often observed. "Christmas tree" bark: Sonogram displayed "Christmas tree" effect. There is a "sequential loss of overtones". Seen in German Shepherds and Alaskan Malamutes. Noisy overlappings: Short, overlapping sounds: Seen in poodles.
Audio file icons of various formats. An audio file format is a file format for storing digital audio data on a computer system. The bit layout of the audio data (excluding metadata) is called the audio coding format and can be uncompressed, or compressed to reduce the file size, often using lossy compression.
[10] Wolman reported in his article the following: Fox's hunch is that the sound nicknamed Bloop is the most likely (out of the other recorded unidentified sounds) to come from some sort of animal, because its signature is a rapid variation in frequency similar to that of sounds known to be made by marine beasts.
Speex is a lossy format, i.e. quality is permanently degraded to reduce file size. The Speex project was created on February 13, 2002. [9] The first development versions of Speex were released under LGPL license, but as of version 1.0 beta 1, Speex is released under Xiph's version of the (revised) BSD license. [10]