VoicePrint 2011
Voiceprint can refer to the spectrogram of a voice. More specific uses include: * VoicePrint, as of March 2012 now AMI-audio, Canada's broadcast reading service * Voiceprint Records, an English record label * The stored template used to identify a person via their voice in speaker recognition Speaker recognition is the identification of a person from characteristics of voices. It is used to answer the question "Who is speaking?" The term voice recognition can refer to ''speaker recognition'' or speech recognition. Speaker verification ...

Spectrogram
A spectrogram is a visual representation of the spectrum of frequencies of a signal as it varies with time. When applied to an audio signal, spectrograms are sometimes called sonographs, voiceprints, or voicegrams. When the data are represented in a 3D plot they may be called ''waterfall displays''. Spectrograms are used extensively in the fields of music, linguistics, sonar, radar, speech processing, seismology, and others. Spectrograms of audio can be used to identify spoken words phonetically, and to analyse the various calls of animals. A spectrogram can be generated by an optical spectrometer, a bank of band-pass filters, by Fourier transform or by a wavelet transform (in which case it is also known as a scaleogram or scalogram). A spectrogram is usually depicted as a heat map, i.e., as an image with the intensity shown by varying the colour or brightness. Format A common format is a graph with two geometric dimensions: one axis represents time, and the other axis r ...
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AMI-audio
AMI-audio is a Canadian 24-hour English language non-profit audio broadcast television service. AMI-audio offers a variety of content to Canadians who are blind, partially sighted or otherwise print restricted. AMI-audio produces two daily live programs. Each show features news of the day, technology insights, current events, lifestyle issues, health as well as information directly affecting the blind and partially sighted community. AMI-audio also records and curates a selection of feature articles from top publications read by a team of professional narrators. It is owned by Accessible Media Inc. (formerly known as the National Broadcast Reading Servicethe organization was renamed following the launch of its sister television channel). AMI-audio is licensed by the Canadian Radio-television and Telecommunications Commission (CRTC), and went on the air in 1990 as VoicePrint. The CRTC licensed AMI-audio as a "must-carry" service in 2001, meaning all digital cable and satellite ...
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Voiceprint Records
Voiceprint Records was a British independent record label based in England, founded in November 1990 by Rob Ayling. They specialised in re-releasing old material, especially progressive rock, but also had new releases, under the Resurgence and Blueprint labels. The holding company, Zeit Distribution Ltd., went into insolvency in 2010. It was replaced by the phoenix company, Gonzo Multimedia in 2010. The new company has a broader remit, and releases a much wider range of music. Labels Voiceprint operated a number of record labels, including some for a single band or set of related artists. Major Voiceprint labels include Blueprint, and Resurgence. Artists The first release on Voiceprint was a Daevid Allen album, ''The Australian Years''. Among the many other artists whose recordings have been released by the company are Tim Blake, Leonard Cohen, The Fall (whose Cog Sinister label was acquired by Voiceprint in 1997), Fish, Gong, Hawkwind, Steve Hillage, Patrick Moraz, Anthony Ph ...
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