FR3041464B1 - SOFT-CUTTING DISTORTION CIRCUIT - Google Patents
SOFT-CUTTING DISTORTION CIRCUIT Download PDFInfo
- Publication number
- FR3041464B1 FR3041464B1 FR1558792A FR1558792A FR3041464B1 FR 3041464 B1 FR3041464 B1 FR 3041464B1 FR 1558792 A FR1558792 A FR 1558792A FR 1558792 A FR1558792 A FR 1558792A FR 3041464 B1 FR3041464 B1 FR 3041464B1
- Authority
- FR
- France
- Prior art keywords
- audio signal
- clipping
- amplifier
- soft
- stage
- 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.)
- Active
Links
- 230000005236 sound signal Effects 0.000 abstract 5
- 230000000750 progressive effect Effects 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H3/00—Instruments in which the tones are generated by electromechanical means
- G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
- G10H3/14—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means
- G10H3/18—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means using a string, e.g. electric guitar
- G10H3/186—Means for processing the signal picked up from the strings
- G10H3/187—Means for processing the signal picked up from the strings for distorting the signal, e.g. to simulate tube amplifiers
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H1/00—Details of electrophonic musical instruments
- G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
- G10H1/06—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour
- G10H1/16—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour by non-linear elements
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
- G10H2210/155—Musical effects
- G10H2210/311—Distortion, i.e. desired non-linear audio processing to change the tone colour, e.g. by adding harmonics or deliberately distorting the amplitude of an audio waveform
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Amplifiers (AREA)
Abstract
Circuit de traitement audio à base de semi-conducteurs comprenant un étage d'entrée pour recevoir un signal audio d'entrée (10), un étage de sortie pour fournir un signal audio traité de sortie (14), un étage de traitement (2) agencé pour introduire des harmoniques dans le signal audio d'entrée et comprenant un amplificateur (3) avec au moins une boucle de contreréaction contenant un dispositif d'écrêtage pour diminuer le gain de l'amplificateur en fonction du signal audio traité de sortie, caractérisé en ce que le dispositif d'écrêtage comprend un réseau d'écrêtage (7) composé d'une pluralité de cellules d'écrêtage agencées pour être séquentiellement commutées dans ladite au moins une boucle de rétroaction pour une diminution progressive du gain de l'amplificateur de sorte à obtenir un écrêtage doux du signal audio traité de sortie.Semiconductor based audio processing circuit comprising an input stage for receiving an input audio signal (10), an output stage for supplying an output audio signal (14), a processing stage (2 ) arranged to introduce harmonics into the input audio signal and comprising an amplifier (3) with at least one feedback loop containing a clipping device to reduce the gain of the amplifier as a function of the output audio signal, characterized in that the clipping device comprises a clipping network (7) composed of a plurality of clipping cells arranged to be sequentially switched in said at least one feedback loop for a progressive reduction in the gain of the amplifier so as to obtain smooth clipping of the output audio signal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1558792A FR3041464B1 (en) | 2015-09-18 | 2015-09-18 | SOFT-CUTTING DISTORTION CIRCUIT |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1558792A FR3041464B1 (en) | 2015-09-18 | 2015-09-18 | SOFT-CUTTING DISTORTION CIRCUIT |
FR1558792 | 2015-09-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3041464A1 FR3041464A1 (en) | 2017-03-24 |
FR3041464B1 true FR3041464B1 (en) | 2020-03-27 |
Family
ID=55072833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1558792A Active FR3041464B1 (en) | 2015-09-18 | 2015-09-18 | SOFT-CUTTING DISTORTION CIRCUIT |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR3041464B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113315480A (en) * | 2021-05-31 | 2021-08-27 | 头领科技(昆山)有限公司 | Audio processing chip and earphone |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2847363C2 (en) * | 1978-10-31 | 1982-06-09 | Matth. Hohner Ag, 7218 Trossingen | Transistor amplifier |
US5133014A (en) * | 1990-01-18 | 1992-07-21 | Pritchard Eric K | Semiconductor emulation of tube amplifiers |
US4809336A (en) * | 1987-03-23 | 1989-02-28 | Pritchard Eric K | Semiconductor amplifier with tube amplifier characteristics |
US5596646A (en) * | 1994-11-07 | 1997-01-21 | Rocktron Corporation | Audio tape saturation simulator |
NZ531397A (en) * | 2004-02-26 | 2006-10-27 | Ind Res Ltd | Audio amplifier circuit for producing distortion effects |
-
2015
- 2015-09-18 FR FR1558792A patent/FR3041464B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
FR3041464A1 (en) | 2017-03-24 |
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Year of fee payment: 2 |
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CA | Change of address |
Effective date: 20171226 |
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