Schroeder reverberator concept
E660412
The Schroeder reverberator concept is a foundational digital signal processing design that uses networks of comb and all-pass filters to simulate natural acoustic reverberation in audio systems.
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
digital reverberation architecture
ⓘ
digital signal processing concept ⓘ |
| aimsTo | simulate natural acoustic reverberation ⓘ |
| allPassFilterCharacteristic | flat magnitude response with phase dispersion ⓘ |
| appliesTo | audio systems ⓘ |
| approximates | diffuse reverberant sound field ⓘ |
| assumes | linear time-invariant system model ⓘ |
| canBeImplementedIn |
digital signal processors
ⓘ
software ⓘ |
| category |
audio effect algorithm
ⓘ
time-domain signal processing structure ⓘ |
| combFilterCharacteristic | feedback delay line with gain less than one ⓘ |
| componentRole |
all-pass filters increase echo density without changing magnitude response
ⓘ
comb filters provide exponentially decaying echoes ⓘ |
| coreIdea | use networks of comb and all-pass filters to approximate room reverberation ⓘ |
| designGoal |
approximate statistical properties of room impulse responses
ⓘ
create dense late reverberation tail ⓘ |
| designStrategy | use mutually incommensurate delay times to reduce coloration ⓘ |
| field |
acoustics
ⓘ
audio engineering ⓘ digital signal processing ⓘ |
| hasLimitation | may produce metallic or resonant artifacts if parameters are poorly chosen ⓘ |
| hasProperty | computationally efficient compared to convolution reverb ⓘ |
| historicalSignificance | one of the first practical digital reverberation designs ⓘ |
| implementationDomain | digital ⓘ |
| influenced |
algorithmic reverberation design
ⓘ
early digital reverb units ⓘ |
| inspired | later reverberation algorithms with higher echo density ⓘ |
| introducedInDecade | 1960s ⓘ |
| mathematicalBasis | discrete-time linear filter theory ⓘ |
| namedAfter | Manfred R. Schroeder NERFINISHED ⓘ |
| outputType | reverberated audio signal ⓘ |
| parameterIncludes |
delay times
ⓘ
feedback gains ⓘ mix levels ⓘ |
| relatedTo |
algorithmic reverb
ⓘ
feedback delay networks ⓘ |
| targetPhenomenon | room reverberation ⓘ |
| typicalStructure | parallel bank of comb filters followed by series all-pass filters ⓘ |
| usedIn |
audio effects processing
ⓘ
music production ⓘ virtual acoustics ⓘ |
| usesFilterType |
all-pass filter
ⓘ
comb filter ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.