Techniques in Speech Acoustics provides an introduction to the acoustic analysis and characteristics of speech sounds. The first part of the book covers aspects of the source-filter decomposition of speech, spectrographic analysis, the acoustic theory of speech production and acoustic phonetic cues. The second part is based on computational techniques for analysing the acoustic speech signal including digital time and frequency analyses, formant synthesis, and the linear predictive coding of speech. There is also an introductory chapter on the classification of acoustic speech signals which is relevant to aspects of automatic speech and talker recognition.

English has eleven different vowels. It’s important to know the correct mouth position so you can get the vowel right:  study this vowel with illustrations and up close, slow motion speech.  Sample words:  Allow, extra, data, again, visa, about.

Phrasal verbs - Grammar short Lesson

There are numerous phrasal verbs in English. Although they are not considered appropriate in formal writing, phrasal verbs are very common in speech. Here is a list of phrasal verbs beginning with C.  >>> Read More.

Punctuation

This brief appendix helps you through punctuation matters such as those between main clauses, sub-clauses and phrases, direct speech, the hyphen, etc.

Parts of speech with examples

This is an English grammar tutorial about parts of speech with examples.
The lesson gives an overview of the 8 parts of speech or types of words: nouns, pronouns, adjectives, verbs, adverbs, conjunctions, prepositions and interjections.