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Questions tagged [speech-recognition]

Translation of spoken words into text, usually with the help of computers.

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How important is speaker-balance for speech recognition models?

Working on ASR models, I have encountered several datasets which have distributions where a small amount of speaker make a huge part of the actual dataset. The following image shows the extracted ...
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27 views

How do ASR systems cope with noise?

(Apologies if this question is not specific enough.) I am researching parsing strategies in noisy environments, and how noise changes these strategies. Ultimately I would like to understand how noise ...
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1answer
50 views

What problems does co-articulation cause in speech recognition?

I know it becomes harder to find the start and end of phonemes due to co-articulation. I want to know about other problems that co-articulation causes in speech recognition.
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3answers
134 views

What do you call the same phoneme that behaves a little bit differently in particular environments?

Not Allophones! My point is, when the same phoneme looks different in different places (has the same IPA representation, but look different on spectrograms) (regarding to speech analysis): (like the ...
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2answers
67 views

Libs or APIs for removing background noise from voice input?

The effect of background noise on speech recognition is not good. Are there libs or APIs for removing background noise from voice input? Ideally language-agnostic or tuned for the top 100+ languages,...
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1answer
41 views

Finding fundamental particles of sound In ASR systems?

Q1. Can we divide phonemes which are specific to a language into some more fundamental entities same across all languages ? Q2. Will this help us in achieving language independent acoustic modelling ?...
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1answer
676 views

Turkish voice to text speech recognition references

Does anybody know what is approach implemented in Google Speech API and Siri for Turkish voice to text speech recognition? I'm interested in details of these two services, not the general or ...
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2answers
451 views

Any software that label a WAV file into phonemes

I have a WAV file contains a subject speech. The subject speaks a sentence once at a time, then a short period of silent appears. I'm interested to analyze the phonemes of that speech and what time ...
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1answer
185 views

looking for corpus of dialogue recording in appointment between doctors and patients

I am looking for a public corpus of dialogue recording in short/medium appointment between doctors and patients, aims to study speech variation, the prosody of speech, measuring speech' rhythm, ...
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162 views

How does Microsoft speech recognition API compare with Google Cloud Speech API in terms of speech recognition accuracy?

How does Microsoft speech recognition API compare with Google Cloud Speech API in terms of speech recognition accuracy (e.g., in terms of word error rate, character error rate (CER), or sentence error ...
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How does Kaldi compare with Mozilla DeepSpeech in terms of speech recognition accuracy?

How does Kaldi ASR compare with Mozilla DeepSpeech in terms of the speech recognition accuracy (e.g., in terms of word error rate)?
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2answers
401 views

Why is recognition based on phonemes and not syllables or morphemes?

Why is recognition based on detecting individual phonemes, and not chunks such as morphemes or syllables?.. My question were in relation to human perception, and the existence of phonetic boundary, ...
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Acoustic signal to phones?

I am currently trying to understand speech perception, and are at the moment a bit stuck.. I seem to understand how the ear process incoming sound, but i don't understand the concept of phones. Why ...
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1answer
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Homemade ASR decoding

I am looking for a good decoder to pair my acoustic model output with my language model output. Since my acoustic model outputs a string of phonemes they need to be fuzzy matched with the ...
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2answers
115 views

What phonetic elements is the word yes and no put together by? [closed]

This might be a long shot but it will try it anyway?... I am currently working on developing a speech recognition application, capable of detecting utterances consisting of the words yes/no. A ...
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31 views

Speech Recognition: prosody. What is the difference between combined and intergrated models?

I am readin a paper about dialogue modelling and the identification of dialogue acts using prosody. The paper describes 2, maybe three types of model for utilizing the speech signal: a separate, ...
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2answers
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How to read Spectrograms using Praat Script

I am new to Praat and trying to read the spectrograms of different sound files using these videos. I am learning to read the specrograms using the UI of Praat but I am unable to find any way through ...
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1answer
84 views

How to identify the English \t\ consonant in sound recordings?

I am trying to recognize the consonants in a word i.e. if the word spoken is tap, using different tools like Praat or MATLAB etc. I want to implement a system to ensure that the first letter spoken ...
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2answers
133 views

How to find amplitude values on each time unit in a sound file

I am new to Praat and tryingt to get the selected region in Praat script using the the amplitude values i.e. when amplitude gets larger than a threshold then I should start capturing the region and ...
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1answer
155 views

From where I can get phonemes in audio format?

I am working on a speech recognition system and to begin with I need all phonemes of English in audio format by which I will be able to compare with my speech fragments.
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682 views

Algorithm for Separating Consonant and Vowel Waveforms from Speech Signal

Is anyone aware of a software package or general algorithm that allows the separation of consonant and vowel waveforms from a continuous speech signal? I've tried to implement the technique "Harmonic/...
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1answer
240 views

Indistinguishability of [f] and [s] on phone - citation?

I have long felt that [f] and [s] are hard to tell apart on the phone, especially when spelling out words letter by letter. As a non linguist (but audio engineer) it seems to me that the frequencies ...
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1answer
303 views

Why is [f] ambiguous between [f] and [s] after saying the word <three>?

I used an automated customer service system that requires reading off one's case id. The case id I had included the sequence "3F." The speech recognition software was only tripped up by that "F,"...
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What is harder? Speech synthesis or speech recognition?

Supposing to use Festival to build a speech synthesis system and HTK for a speech recognition system. The language is a Native American language. Which system would be harder to accomplish?
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Are there any good open source speech to text trancription tools or programs?

I am working on a project which needs to convert a given speech (in an audio file,only speech no music and other stuffs) into text and later analyze that text. It would be a great help if I could able ...
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Is there any speech to IPA software? [duplicate]

Does anyone know of a software that does speech to IPA transcription? It seems like this is an easier problem than speech to text but searching for it online didn't give me any results.
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Convert audio recording of word to IPA representation

Are the any open source tools/software libraries to convert an audio clip to its IPA representation? If so, are they accurate? If not, why not? Here is a Gaelic word I wish to convert: Ogg format: ...
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To what extent is aural language comprehension based on a post-processing model, and what are the factors involved?

It occurred to me that what we hear and interpret as speech is often an inarticulate garble of phonemes that native speakers process with lightning speed (usually) to come up with a clear and specific ...
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1k views

What does “parsimonious representation” mean in the context of speech recognition?

I was studying about LPC (Linear Predictive coding) and in this topic the author was explaining the reasons why LPC is used widely for speech recognition system. One reason he gave was this: The ...
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3answers
7k views

Difference between production of vowels, diphthongs and semi-vowels

I am studying speech recognition by Lawrence Rabiner's book. I am unable to find a proper and easy to understand answer for the following question : Difference between production of vowels, ...
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108 views

Determining how similar audio is to human speech

I was suggested to cross post this question of mine from Stack Overflow. Hopefully my question is within the bounds of this question board! I am searching for a method of determining the similarity ...