headquarters little ferry new jersey key people richard factor co founder and chairman orville greene co founder steve katz co founder anthony agnello president audio division richard van tieghem president communications division products pro audio communications and avionics equipment and software website www.eventide.com eventide bd600 broadcast delay eventide inc. also known earlier as eventide clock works inc. or today simply eventide is an audio and broadcast communications and avionics company in the united states whose audio division manufactures digital audio processors and dsp software and guitar effects . eventide was one of the first companies to manufacture digital audio processors and its products are mainstays in sound recording and reproduction post production and broadcast studios . 1 contents 1 beginnings 2 aviation 3 digital logging 4 h910 harmonizer 5 timeline of noteworthy products 6 references 7 external links 8 see also beginnings edit eventide was founded by recording engineer stephen katz inventor richard factor and businessman patent attorney orville greene . the business was founded in the basement of the sound exchange a recording studio located at 265 west 54th street in new york and owned by greene . when katz needed to rewind the analog tape back to a specific point on their ampex mm1000 multitrack recorder but limited space in the studio did not allow for a tape op a person who were operating the tape recorders by the orders of the sound engineer katz asked factor to build a gadget that would do the job and the resulting device turned into an original equipment manufacturer oem success for ampex . other early products included a two second delay for telephone research and an electrostatic deflector for dispensing nanoliter quantities of chemical reagents . eventide s original product line consisted of two products the instant phaser the result of an aes show appearance and what would become the 1745 digital delay line the result of a significant order from maryland public broadcasting . beginning with the 1745m eventide began widely using random access memory ram chips in many of their products . after purchasing a hewlett packard computer for researching reverb algorithms and needing to upgrade the memory in order for the computer to handle the necessary complex computations eventide designers realized that they could manufacture computer memory expansion far more affordably than the current market price . therefore eventide began to manufacture and sell hp compatible ram expansion boards and did so from the late 1970s to the mid 1990s . 2 aviation edit shortly after eventide moved its offices from manhattan to new jersey its president earned a private airplane pilot s license . surprised that moving map displays were not available for small airplanes he had eventide develop argus the first moving map system and one of the first multi function displays designed for general aviation use . 3 digital logging edit vr725 communications recorder in the early 1990s eventide developed digital logging machines that enabled broadcasters to begin archiving digitally with improved audio quality and far greater storage capabilities via dat and later dvd ram than they previously had been working with . eventide offers advanced communications logging recorders and instant recall recorders for p25 ng911 public safety utilities and air traffic control facilities . the nexlog mission critical communications logging systems capture store protect reproduce and manage important interactions and critical data . h910 harmonizer edit h910 harmonizer the eventide h910 harmonizer was first demonstrated to universally positive reactions at the aes show in late 1974 . it was designed by eventide s first engineer tony agnello who went on to become the president of eventide s audio division . the pre production prototype was a hand wired box topped with a music keyboard controller . jon anderson of the band yes was among those impressed and he became a tester for the first prototype . the production h910 was released in 1975 offering pitch shifting 1 octave delay up to 112.5 ms feedback regeneration and other features in an easy to use box that sold for 1 600 . the h910 was named after a beatles tune the model number refers to the one after 909 . the first h910 customer was new york city s channel 5 utilizing it to downward pitch shift i love lucy reruns that were sped up to create room to run more commercials . speeding up the reruns had increased the pitch of the audio and the h910 was able to shift that pitch back to where it originally had been . frank zappa added it to his guitar processing rig . producer tony visconti used the h910 to create the snare sound on david bowie s album low 1977 as did tony platt on ac dc s song back in black 1980 . another popular application was to use two h910s slightly detuned with a small delay . notable users of this twin harmonizer effect included eddie van halen who used it for his trademark guitar sound and tom lord alge who used it for the vocals on the hit steve winwood song back in the high life again 1986 . recognizing the popularity of this application eventide later recreated it as the dual 910 program in the h3000 ultraharmonizer released in the late 1980s . the h910 harmonizer was recognized by the aes with a tecnology hall of fame award in 2007 4 and on november 10 1976 eventide filed a trademark registration for harmonizer and eventide continues to maintain its rights to the harmonizer trademark today . 5 timeline of noteworthy products edit h8000fw harmonizer multi effects processor eventide timefactor twin delay stompbox eventide space reverb & beyond stompbox 1745 digital delay line 2 channels of independent delay from a single input with the delays ranging from 0 to 200 milliseconds . 1745a digital delay line modification of 1745 ddl with easier more user friendly shift registers . 1745m another variant of the original 1745m this version was one of the first uses of random access memory ram in an audio product and also had an optional pitch change module one of the first products of this kind with a frequency response suitable for music . h910 harmonizer 1975 first commercially available pitch changer . h949 harmonizer harmonizer with finely controllable pitch change capability used for doubling vocals and deglitch option for greatly reducing objectionable artifacts in harmonized audio . bd955 1975 obscenity delay allowed broadcasters sufficient delay to delete any objectionable content like from a live telephone caller on a radio show with no apparent interruption to the program sp2016 early digital reverb processor utilizing dsp and first effects device to publish its sdk so that 3rd party developers could develop plug in algorithms instant phaser the first phaser instant flanger one of the first flangers h3000 1986 first intelligent diatonic pitch shifting . dsp4000 1994 6 7 user programmable algorithms with a large toolkit of dsp functions dsp4000b dsp4000b series of processors with algorithms written for broadcast and film production by sound designer jay rose . dsp4500 1998 8 similar to dsp4000 with the addition of sampling dsp7000 2001 9 pitch shifter effects processor with four times more processing power than the dsp4000 series dsp7500 2001 similar to dsp7000 with the addition of sampling orville 2001 10 11 pitch shifter effects processor with twice the processing power of the dsp7000 dsp7500 processors 12 13 and up to 8 channels eclipse 2002 14 15 16 clockworks legacy 2003 software plug in versions of classic eventide effects and dsp 17 bd500 2004 40 second version of eventide s fourth generation broadcast profanity delay 18 anthology tdm bundle 2005 19 h8000fw 2005 20 successor to orville with increased processing power h7600 2006 21 successor to the dsp7000 series with increased processing power h7600 harmonizer effects processor by eventide stompbox line 2007 timefactor modfactor pitchfactor space h9 powerfactor . 22 references edit sound on sound astral tweaks eventide eclipse multi effects sep 2001 http www.soundonsound.com sos sep01 articles eclipse.asp https www.eventideaudio.com about history avionics magazine outlook high hopes for general aviation jan 1 2001 http mixonline.com tecnology hall of fame 1975 eventide harmonizer % 7cmix online tecnology hall of fame 1975 eventide h910 harmonizer sep 2007 http www.trademarkia.com harmonizer 73106071 . html % 7ctrademark for harmonizer trademarkia.com 1994 tec award winner in signal processing technology category beginning with the dsp4000 that he used extensively as the bass player on seal s 1994 tour ... eventide.com eventide dsp4500 ultra harmoniser multi effects processor sound on sound nov 1998 hugh robjohns sound on sound review orville operator s manual 2001 review in electronic musician italo de angelis programmer for eventide on the processing capabilities of eventide dsp and h series processors dsp7000 operator s manual dsp7000 series processors are the stereo single as opposed to dual processor companion product range to the eventide s orville astral tweaks eventide eclipse multi effects sound on sound sep 2001 eventide eclipse mix online jun 2002 mark frink http www.proaudioreview.com article 866 eventide eclipse effects processor pro audio review apr 2002 j. arif verner eventide clockworks legacy sound on sound sep 2003 sam inglis mix online nab 2004 eventide bd500 apr 2004 eventide introduces anthology tdm bundle mix online feb 2005 eventide h8000fw mix online nov 2005 namm2006 latest ultra harmonizer announced eventide stompbox line mix online jan 2007 external links edit wikimedia commons has media related to eventide audio brand . eventide audio division website eventide communications division website eventide youtube channel eventide facebook page eventide twitter page see also edit pitch shift broadcast delay delay audio effect retrieved from https 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