Difference between revisions of "Digital systems/Sampling and reconstruction (Q895)"
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(Added qualifier: knowledge level (P54): recognise (knowledge level) (Q472), #quickstatements; #temporary_batch_1720687760930) | (Removed claim: import id (P39): 11, #quickstatements; #temporary_batch_1724141793623) | ||||||
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| label / de | label / de | ||||||
| + | Digitale Systeme/Abtastung und Wiederherstellung | ||||||
| label / nl | label / nl | ||||||
| + | Digitale systemen/Sampling en reconstructie | ||||||
| description / en | description / en | ||||||
| - | + | the sampling of analog signals into a digital representation, its properties, and methods for reconstruction of the original signal | |||||
| description / de | description / de | ||||||
| + | die Abtastung analoger Signale in eine digitale Darstellung, ihre Eigenschaften sowie Verfahren zur Wiederherstellung des Originalsignals | ||||||
| description / nl | description / nl | ||||||
| + | de sampling van analoge signalen naar een digitale weergave, de eigenschappen daarvan en methoden voor de reconstructie van het oorspronkelijke signaal | ||||||
| Property / import id | |||||||
| - | 11
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| Property / import id: 11 / rank | |||||||
| - | |||||||
| Property / knowledge detail (EN): fundamentals of digital signals (English) / qualifier | |||||||
| + | knowledge content: discretization of value: quantization (English) | ||||||
| Property / knowledge detail (EN): fundamentals of digital signals (English) / qualifier | |||||||
| + | knowledge content: discretization of time: sampling (English) | ||||||
| Property / knowledge detail (EN): quantization noise (English) / qualifier | |||||||
| + | evaluation criteria: can explain phenomenon (English) | ||||||
| Property / knowledge detail (EN) | |||||||
| + | reconstruction methods for pulse-code modulated signals (English) | ||||||
| Property / knowledge detail (EN): reconstruction methods for pulse-code modulated signals (English) / rank | |||||||
| + | Normal rank | ||||||
| Property / knowledge detail (EN): reconstruction methods for pulse-code modulated signals (English) / qualifier | |||||||
| + | |||||||
| Property / knowledge detail (EN): reconstruction methods for pulse-code modulated signals (English) / qualifier | |||||||
| + | knowledge content: sound quality comparison and latency trade-offs (English) | ||||||
| Property / knowledge detail (EN): reconstruction methods for pulse-code modulated signals (English) / qualifier | |||||||
| + | knowledge content: sample-and-hold (English) | ||||||
| Property / knowledge detail (EN): reconstruction methods for pulse-code modulated signals (English) / qualifier | |||||||
| + | knowledge content: linear interpolation (English) | ||||||
| Property / knowledge detail (EN): reconstruction methods for pulse-code modulated signals (English) / qualifier | |||||||
| + | knowledge content: sinc interpolation (English) | ||||||
| Property / prerequisite knowledge | |||||||
| + | |||||||
| Property / prerequisite knowledge: Acoustics/Sound and sound waves / rank | |||||||
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| Property / prerequisite knowledge | |||||||
| + | |||||||
| Property / prerequisite knowledge: Electroacoustics/Signals / rank | |||||||
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| Property / prerequisite knowledge | |||||||
| + | |||||||
| Property / prerequisite knowledge: Mathematics/Functions and diagrams / rank | |||||||
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| Property / references | |||||||
| + | SQQ7 - 1.5.1 | ||||||
| Property / references: SQQ7 - 1.5.1 / rank | |||||||
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| Property / owner | |||||||
| + | |||||||
| Property / owner: ESSENCE / rank | |||||||
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| Property / licence | |||||||
| + | |||||||
| Property / licence: CC BY-NC-SA 4.0 / rank | |||||||
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| Property / attribution | |||||||
| + | |||||||
| Property / attribution: Built upon the IGVW SQQ7 profile. IGVW is not responsible for the content of this item. / rank | |||||||
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| Property / source URL | |||||||
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| Property / source URL: https://competencebase.eu/wiki/ESSENCE:teaching_nuggets/Digital/Sampling_and_Reconstruction / rank | |||||||
| + | Normal rank | ||||||
| Property / learning materials | |||||||
| + | Experiment: Listen to quantization noise (English) | ||||||
| Property / learning materials: Experiment: Listen to quantization noise (English) / rank | |||||||
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| Property / learning materials: Experiment: Listen to quantization noise (English) / qualifier | |||||||
| + | |||||||
| Property / learning materials | |||||||
| + | Experiment: Hear the sound of different interpolation methods (English) | ||||||
| Property / learning materials: Experiment: Hear the sound of different interpolation methods (English) / rank | |||||||
| + | Normal rank | ||||||
| Property / learning materials: Experiment: Hear the sound of different interpolation methods (English) / qualifier | |||||||
| + | |||||||
| Property / context | |||||||
| + | Digital systems have made our lives a lot easier, but they behave in subtly different ways to the analog mental model that most of us have. Some theory helps us to interpret the sonic consequences of technical parameters, inform our handling of digital systems, and successfully navigate marketing language and promises. (English) | ||||||
| Property / context: Digital systems have made our lives a lot easier, but they behave in subtly different ways to the analog mental model that most of us have. Some theory helps us to interpret the sonic consequences of technical parameters, inform our handling of digital systems, and successfully navigate marketing language and promises. (English) / rank | |||||||
| + | Normal rank | ||||||
| Property / context | |||||||
| + | Digitale System haben unser Leben sehr vereinfacht, aber sie verhalten sich in vielen Details anders als unsere intuitive Vorstellung, die meist analog geprägt ist. Theoretisches Verständnis hilft uns, die klanglichen Auswirkungen technischer Daten zu interpretieren, unseren Umgang mit Digitalsystemen zu verbessern sowie die Aussagen und Verspechungen von Herstellern einzuschätzen. (German) | ||||||
| Property / context: Digitale System haben unser Leben sehr vereinfacht, aber sie verhalten sich in vielen Details anders als unsere intuitive Vorstellung, die meist analog geprägt ist. Theoretisches Verständnis hilft uns, die klanglichen Auswirkungen technischer Daten zu interpretieren, unseren Umgang mit Digitalsystemen zu verbessern sowie die Aussagen und Verspechungen von Herstellern einzuschätzen. (German) / rank | |||||||
| + | Normal rank | ||||||
Latest revision as of 08:18, 20 August 2024
the sampling of analog signals into a digital representation, its properties, and methods for reconstruction of the original signal
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Digital systems/Sampling and reconstruction | the sampling of analog signals into a digital representation, its properties, and methods for reconstruction of the original signal |
Statements
10
0 references
fundamentals of digital signals (English)
can explain (English)
discretization of value: quantization (English)
discretization of time: sampling (English)
0 references
pulse-code modulation and pulse trains (English)
can explain (English)
0 references
under-sampling and aliasing artefacts (English)
can identify from audio example or spectrogram, and explain phenomenon (English)
0 references
quantization noise (English)
can explain phenomenon (English)
0 references
reconstruction methods for pulse-code modulated signals (English)
sound quality comparison and latency trade-offs (English)
sample-and-hold (English)
linear interpolation (English)
sinc interpolation (English)
0 references
SQQ7 - 1.5.1
0 references
Experiment: Listen to quantization noise (English)
0 references
Experiment: Hear the sound of different interpolation methods (English)
0 references
Digital systems have made our lives a lot easier, but they behave in subtly different ways to the analog mental model that most of us have. Some theory helps us to interpret the sonic consequences of technical parameters, inform our handling of digital systems, and successfully navigate marketing language and promises. (English)
0 references
Digitale System haben unser Leben sehr vereinfacht, aber sie verhalten sich in vielen Details anders als unsere intuitive Vorstellung, die meist analog geprägt ist. Theoretisches Verständnis hilft uns, die klanglichen Auswirkungen technischer Daten zu interpretieren, unseren Umgang mit Digitalsystemen zu verbessern sowie die Aussagen und Verspechungen von Herstellern einzuschätzen. (German)
0 references