US3843137A - Sound-recording apparatus - Google Patents

Sound-recording apparatus Download PDF

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Publication number
US3843137A
US3843137A US00262314A US26231472A US3843137A US 3843137 A US3843137 A US 3843137A US 00262314 A US00262314 A US 00262314A US 26231472 A US26231472 A US 26231472A US 3843137 A US3843137 A US 3843137A
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US
United States
Prior art keywords
channel
reproducing
sound
musical
composition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00262314A
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English (en)
Inventor
A Froidevaux
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
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Publication of US3843137A publication Critical patent/US3843137A/en
Anticipated expiration legal-status Critical
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B15/00—Teaching music
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor

Definitions

  • a und-r c rd ng apparatus has a two channel sound-recording carrier.
  • One channel carries an in- [52] US. Cl.
  • 274/1 R, 274/46 trumental or the vocal part of a composition
  • Field of Search 35/35 C, 8 A with the exception of the part carried on the first 179/ 100.4 ST, 100.2 R; 274/4 R, 1 R, 46, channel.
  • Means are provided for transferring one 41.4, 43 channel on a second carrier and for reproducing sounds of the other channel.
  • a microphone is pro- [56] Reference Cit d vided for adding the singing or playing of the user on UNITED STATES PATENTS 8/1950 Block 274/46 R said second carrier.
  • the object of the invention is a device designed to permit multiple sound-recording, including a twochannel sound-recording carrier, characterized in that one of the sound channels carries only a vocal or instrumental part of a composition and the other channel carries the composition in its entirety, except the part recorded on the first channel.
  • FIG, 1 is a diagramm illustrating the mode of operation of this embodiment.
  • FIG. 2 shows said embodiment
  • a two channel soundreproducing device 1 has two outlets 2 and 3, one for each channel.
  • a recording carrier forms part of the device 1.
  • This carrier which may consist of a record or magnetic tape of the type used for stereophony, includes two recording channels or tracks.
  • the channel whose signal is carried to outlet 3 incorporates the vocal part of a musical recording. All other parts of the performance are recorded on the other channel, their signal being transmitted through outlet 2.
  • outlets 2 and 3 The signals coming from outlets 2 and 3 are transmitted to two earphones 4 and 5 of a stereophonic headpiece. Additionally, outlet 2 is connected to inlet 6 of a recorder 7, which also has another inlet 8 connected to a microphone 9.
  • the device is used in the manner described below:
  • a user 10 applies the earphones to his ears, and listens through one of the earphones to the vocal part coming from the device 1, while the other earphone reproduces the instrumental accompaniment.
  • the user sings in time into'microphone 9, so that the recorder 7 receives both the background music transmitted directly by the reproducing device 1 and the singing of the user into the microphone 9. In this manner, the user is able to substitute his own voice for that of the original vocalist.
  • the device may be executed as a single apparatus 11, consisting of two cassettes 12 and 13, cooperating with a reading and/or recording head 14 and 15 respectively.
  • Apparatus 11 includes a loudspeaker l6 and various electronic components, not separately shown, in particular a two channel reproducing device for the recordings of cassette 12, together with an electronic component for recording on cassette l3.
  • lt also has two outlet terminals 2 and 3, one
  • the driving device for the magnetic'tape of cassettes 12 and 13 maybe run by a-single motor, and internal connections may be provided for transmitting the sig nal from outlet terminal 2 to the recording amplifier of cassette 13.
  • Two control buttons 18 and 19 are provided for adjusting the level of the sound transmitted directly by the recording of cassette l2, and through the microphone, respectively.
  • a button 20 permits synchronous reverse operation of the magnetic tapes in cassettes 12 and 13.
  • the possibility of synchronous reverse operation affords the advantage of making it possible to repeat passages whose original recording has been unsatisfactory. The vocal performer can thus correct his recording on cassette 13, and at the same time listen to the passage on cas- 'sette 12.
  • part of a musical performances instrumentation may be recorded on a separate channel.
  • a performer could thus obtain a musical recording in which the part corresponding to his own instrument is recorded separately from the body of the performance. In this manner, he could substitute his own playing for that on the original recording.
  • the user does not need to make a new recording of the background music to which he adds his own performance.
  • the microphone used by the performer and the signal corresponding to the musical accompaniment could readily be connected to an amplifier, so as to ensure complete and instantaneous sound reproduction.
  • Musical instruction and entertainment apparatus comprising in combination, a two channel sound reproducing device one of said channels reproducing only the vocal part of a musical composition, the other of said channels reproducing only the instrumental accompaniment, outlet means connectedto each of said channels, a sound recording device including two inlet members, a microphone connected to one of said inlet members, the other of said inlet members connected to said outlet means of the channel reproducing only the musical accompaniment, a pair of earphones, one of said earphones connected to the outlet means of the channel reproducing only the vocal part of the musical composition, the other of said earphones connected to the outlet means reproducing only the instrumental accompaniment, whereby the user of the apparatus can listen to the vocal part of the musical composition through one earphone and the instrumental part of the musical composition through the other earphone and sing into the microphone. so that the recording device receives both the instrumental part of the composition and the singing of the user simultaneously, thus permitting the user to substitute his own voice for the voice of the original vocalist.

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
US00262314A 1971-06-18 1972-06-13 Sound-recording apparatus Expired - Lifetime US3843137A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH889771 1971-06-18

Publications (1)

Publication Number Publication Date
US3843137A true US3843137A (en) 1974-10-22

Family

ID=4345997

Family Applications (1)

Application Number Title Priority Date Filing Date
US00262314A Expired - Lifetime US3843137A (en) 1971-06-18 1972-06-13 Sound-recording apparatus

Country Status (7)

Country Link
US (1) US3843137A (ja)
CH (1) CH545519A (ja)
DE (1) DE2229069A1 (ja)
FR (1) FR2142541A5 (ja)
GB (1) GB1398614A (ja)
IT (1) IT959319B (ja)
NL (1) NL7207968A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT8122892A0 (it) * 1981-07-13 1981-07-13 Rozzano Milano Metodo per l'autoregistrazione del canto su musicassetta fornita di base musicale.

Also Published As

Publication number Publication date
FR2142541A5 (ja) 1973-01-26
GB1398614A (en) 1975-06-25
IT959319B (it) 1973-11-10
NL7207968A (ja) 1972-12-20
DE2229069A1 (de) 1972-12-28
CH545519A (ja) 1974-01-31

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