The present invention relates to audio equipment and, in particular to headphones and equalizer settings for adjusting the quality of sound delivered to headphone wearers.
Sound engineers focus on delivering high quality sounds to human ears. Human ears perceive certain frequencies as being louder than others, despite having the same or even more energy behind those frequencies. The frequency range of sounds perceivable to human ears is around 20-20,000 Hz; the closer those boundaries are approached or exceeded, the softer the sound is perceived. Room and automobile interiors, arenas, stadiums and other open spaces, as well as speakers and other sound reproducing devices (including headphones) come in countless shapes, sizes, and configurations. The same note from the same instrument can sound different to human ears depending upon the environment and equipment with which the sound is being reproduced.
Tone controls (usually designated as the bass and treble controls or knobs) are simple filters included in most audio equipment for gross adjustment of the frequency balance. The bass control can be used, for instance, to increase the prominence of the lower frequency bass and drum parts of a song, or to reduce unpleasant bass sounds when listening to a person speaking. The treble control can be used to give the higher frequency percussion and vocal parts of a song a sharper or more brilliant sound, or to decrease the prominence of higher frequencies that might have been overemphasized in a song, all based upon the preferences of the listener.
Equalizers are software or hardware filters that adjust the volume or loudness of specific audible sound frequencies. Equalizers work in frequency ranges or bands, adjusting the amplitude of audio signals at particular frequencies. The treble and bass controls discussed in the previous paragraph are dual-band equalizers, providing the ability to adjust (cut and boost) the high and low frequency ranges, respectively. Higher quality sound systems can have three bands (providing a mid-range band in addition to treble and bass), five bands (three mid-range bands between treble and bass), and even twelve bands (even more mid-range frequency gradations between treble and bass). The greater the number of bands, the more divisions in the wide range of human hearing. Each band thus corresponds to a discrete range of frequencies, thereby allowing more control over the sound delivered at those frequencies. Professional sound engineers typically employ recording equipment with 20-30 or more frequency bands.
In music production and recording, equalizers are used to adjust the timbre and tone of individual instruments by their frequency content, to make certain instruments or voices more prominent, and to generally fit individual instruments and voices within the overall frequency spectrum of the sound mix. Equalization can also be used to reduce or eliminate unwanted sounds in a sound recording, such as hiss or other distortion, or to alleviate feedback (howling) in a public address system.
Equalizer settings are most often associated with particular genres of music. For a Rhythm and Blues style song, a slight dip in the mid-range frequencies will increase the prominence of the bass and the singing. Listeners of Rock genres often prefer a dip in the treble frequencies so that bass guitars and standard mid-range guitars are heard more prominently. For Voice and Pop genres, listeners typically prefer to emphasize the middle and treble ranges, leaving the lower frequency and bass ranges on a less prominent setting.
Graphic equalizers (abbreviated EQs) are often included in consumer audio equipment and software, which play on speakers (or headphones) music signals delivered from consumer devices such as smart phones, iPods, digital tablets, personal computers, disc players, radios, record turntables and the like. An EQ allows the listener to selectively adjust the amplitude of specific frequency ranges without changing the amplitude of other frequency ranges. An EQ display typically includes a digital image of sliders, each of which controls the volume of a certain frequency range of sounds. The bass and treble sliders adjust the amplitude of frequencies that are below and above a certain level, respectively. Each of the sliders in the middle has a range that controls the volume of sound frequencies between a lower limit and an upper limit. The sliders are typically arranged in a row on a control panel display, with the bass slider on the left, the treble slider on the right, and the mid-range sliders in the middle. When arranged horizontally, moving the sliders vertically increases the amplitude of the signal within their particular frequency range.
Reproducing sounds, particularly music, with headphones presents unique challenges. Headphone wearers want to listen to different genres of music using a music device of their choice and without having to sacrifice the tonal quality of the sound. The goal is to provide headphones that enable wearers to hear the intended subtleties of different types of music without having to change the type of headphone they are wearing. When listening to Rap music, deep bass sounds should be highlighted. When listening to Classical music, the delicate treble overtones should be crisp and clear. The quality of the sound should not have to be sacrificed just because the headphone being worn is designed for certain genres of music and not others. For this reason, a music genre equalizer selector, placed at a convenient location on the headphone itself, would enable the wearer to switch back and forth between different audio equalizers to enhance the music listening experience.
In the past, headphone developers have created headphones geared towards specific genres. For example, Beats headphones are geared specifically towards Rap and Pop songs with heavy bass. Bose headphones are geared more towards classical music and jazz. The goal of headphone manufacturers has been to exploit niche markets and capitalize on wearers' desires for headphones that suit their specific music genre preferences.
The present headphone design serves wearers whose tastes are not so limited and cover a music library from end to end. Prior attempts at creating a robust aural experience with headphones have thus fallen short because they do not accommodate a full musical spectrum.
Shortcomings of prior headphone equalization techniques are overcome by a headphone comprising a plurality of actuatable equalization selectors. Each of the selectors corresponds to an equalization setting comprising a preset distribution of relative amplitudes of sounds in predetermined frequency ranges.
In one embodiment of the present headphone design, each of the plurality of actuatable equalization selectors comprises a button-type switch. The button-type switch can be actuated by depressing or by detection of heat emanating from a human body part.
In another embodiment of the present headphone design, the plurality of actuatable equalization selectors comprises a knob-type switch.
In a preferred embodiment of the present headphone design, the plurality of actuatable equalization selectors comprises a mechanism capable of recognizing vocalized sounds of a headphone wearer. The voice recognition mechanism actuates an equalization setting corresponding to a recognized sequence of vocalized sounds.
In a preferred embodiment, the present headphone design further comprises an equalizer identification indicator. The indicator is capable of producing a communication perceivable to a headphone wearer and which corresponds to an equalization setting. The communication can be audible or tactile. The audible communication preferably comprises a human voice. The tactile communication preferably comprises vibration patterns in which each of the vibration patterns corresponding to an equalization setting.
Turning first to
In some embodiments, spoken voice capability 30 uses the voices of a particular artist and/or artists of the particular genre related to the selected equalization setting to identify the selected genre of the equalization setting. For example, if a HipHop EQ setting is chosen, a notable hip-hop artist can serve as the spoken voice that identifies the genre selected. If a Classical EQ setting is chosen, a classical artist or conductor could serve as the spoken voice that identifies the genre selected. If a Metal EQ setting is chosen, a heavy-metal artist could serve as the identifying spoken voice. If a Pop EQ setting is chosen, a pop artist could serve as the identifying spoken voice. If a Rock EQ setting is chosen, a rock artist could serve as the identifying spoken voice. If a Rap EQ setting is chosen, a rap artist could serve as the identifying spoken voice. In some cases, the spoken voice that identifies the genre selected can be an artist who performed musical works of that genre.
In some embodiments, the equalizer identification indicator is a musical instrument related to the equalization setting selected. For example, if a Classical EQ setting is chosen, a trumpet fanfare could serve as the indicator. If a Rock EQ setting is chosen an electronic guitar solo could serve as the indicator.
Turning next to
As further shown in
Besides the particular headphone construction illustrated in
As further shown in
In an enhanced embodiment, EQ settings in a headphone could be actuated by the wearer's spoken voice using voice recognition technology. For example, the wearer could speak the words “EQ Jazz” to actuate a Jazz equalization setting, rather than having to physically depress a switch or turn a knob to actuate a particular EQ setting.
While particular elements, embodiments and applications of the present invention have been shown and described, it will be understood, that the invention is not limited thereto since modifications can be made by those skilled in the art without departing from the scope of the present disclosure, particularly in light of the foregoing teachings.
This application is a continuation-in-part of and claims priority to U.S. application Ser. No. 14/070,419 having a filing date of Nov. 1, 2013, entitled “Headphones with Multiple Equalization Presets for Different Genres of Music”, now U.S. Pat. No. 8,942,385 issued on Jan. 27, 2015. The '419 application is hereby incorporated by reference herein in its entirety.
Number | Name | Date | Kind |
---|---|---|---|
4955729 | Marx et al. | Sep 1990 | A |
7471988 | Smith et al. | Dec 2008 | B2 |
7711129 | Lindahl et al. | May 2010 | B2 |
7907738 | King et al. | Mar 2011 | B2 |
7928310 | Georges et al. | Apr 2011 | B2 |
20090046868 | Engle | Feb 2009 | A1 |
20120063614 | Crockett et al. | Mar 2012 | A1 |
Entry |
---|
Gigaware 43-215 Premium Digital USB Stereo Headphones with Preset EQ and Microphone, User Manual, 2010. |
ZOpid HE-ZM5800 Headset MP3 Player, User Manual, 2011. |
FiiO E11 Headphone Amplifier, User Manual, Date unknown. |
Number | Date | Country | |
---|---|---|---|
20150131809 A1 | May 2015 | US |
Number | Date | Country | |
---|---|---|---|
Parent | 14070419 | Nov 2013 | US |
Child | 14605794 | US |