Models and methodology for analysing raw speech signals. Whereas articulation serves as the qualitative foundation of phonetics, acoustic analysis serves as the quantitative foundation.

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24 views

Praat's y-axis in spectrum graph

We have a tone in notched noise in Praat. We want the noise to be 23 dB less than the tone, so we created a noise coefficient using SNR, applied this to the noise file, and combined it with the tone ...
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1answer
46 views

What is the difference between cepstral and temporal domains?

Some parameters of speech analysis occur in the temporal domain (those are the ones I typically understand: f0, formants, etc.) - but others occur in the so-called cepstral domain. If I google ...
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2answers
40 views

How was the acoustic theory of speech production informed by electrical circuit theory?

The acoustic theory of speech production as worked out by Gunnar Fant depends on a correspondence between the vocal tract and elementary electrical circuits. But the quote below perplexes me. In what ...
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0answers
14 views

What's the difference between the output of an oscilloscope and the waveform I get when I record on Praat?

I know it's probably a dumb question, but is this the same thing? Thanks!
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1answer
62 views

In what way did the invention of the telephone shape the development of phonetic theory?

According to my rudimentary understanding of electronics, the telephone transforms sounds to an electric medium transmitted to a receiver over wires. You don't really need phonetics to make that work, ...
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1answer
30 views

How was phonetics performed with a phonograph?

How was phonetics performed with a phonograph? From the Wikipedia excerpt below, I guess it went something like this: A segment was recorded on a phonograph. That segment was Filtered each time with ...
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2answers
35 views

Spectrograms from bandpass filters

According to Wikipedia, bandpass filters were used before the digital era began. Can anyone explain to me how they appeared or were analyzed? Spectrograms are usually created in one of two ways: ...
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1answer
59 views

How do I draw just one channel of a waveform in Praat?

I have a nice 2-channel recording in Praat. I want to illustrate the waveform for an article, but when I select file>draw visible sound, the result is both channels. Is there any way to adjust this so ...
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1answer
69 views

acoustic features for english phonems

in this following paper , if we go to page no- 126 we will find a table with all acoustic features of all german Phonemes. ...
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1answer
67 views

How are “spectral properties” distinct from “linguistic properties”?

As a linguist, I have a good idea of what linguistic properties of a sound can be: be they describable in terms of distinctive features or whatever. But what, then, are spectral properties? It's not ...
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2answers
113 views

Acoustic description of Polish vowels

Using formants, it is possible to produce an acoustic description of vowel quality. Basically, the first formant (F1) corresponds to vowel height, and the second formant (F2) to vowel backness, as ...
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0answers
61 views

What phonetic features are commonly used in forensic speaker identification and verification?

Speaker verification is the task of estimating how likely it is that two speech recordings come from the same speaker, while speaker identification tries to match a speech recording with one of a ...
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4answers
729 views

Software request: Spectrograms that represent intensity with a colour gradient

There is a range of computer programs that can represent acoustic energy graphically in a spectrogram. I usually use Praat, which uses a black and white gradient to represent the intensity of energy ...
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0answers
560 views

How can I distinguish different consonants in Praat/acoustic analysis?

How can I distinguish different consonants based on acoustic information/spectrographic analysis such as in Praat? Is there a list of acoustic cues for different consonants like there is for average ...
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1answer
112 views

Are click sounds accompanied by specific formant transitions?

Is it possible to identify click sounds like [‖ ʘ !] by formant transitions in the surrounding vowels? I know stops and fricatives have that feature. I'm just wondering how the five (main) click ...
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1answer
269 views

Seeking linguistic terms for how pronunciation reflects word boundaries

I'm looking for some correct terminology to use within the fields of phonology and acoustics (I assume). In spoken language there is generally some kind of very brief pauses, changes of intonation, ...
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2answers
299 views

Cross-linguistic association between velarization and pharyngealization

Articulatorily, velarization and pharyngealization are distinct, but they are often conflated in linguistic analyses I've seen: Conflating them is common enough, I presume, that the IPA allocates ...
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1answer
224 views

Are there any alternatives to Source-Filter theory?

The linear source-filter theory of speech production ( Fant, G. (1970) Acoustic Theory of Speech Production; Stevens and House (1961)) is very useful for understanding speech synthesis and a ...
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6answers
2k views

How do linguists place the vowels of a language precisely on the vowel trapezoid?

Since vowels in human speech are a continuous spectrum rather than a discrete set, many descriptions of languages I’ve seen — not only on Wikipedia — place the vowels of a language as dots in a ...