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Digital Audio

This web-based training course on Digital Audio functionality, administration and development, is available online to all individuals, institutions, corporates and enterprises in India (New Delhi NCR, Bangalore, Chennai, Kolkatta), US, UK, Canada, Australia, Singapore, United Arab Emirates (UAE), China and South Africa. No matter where you are located, you can enroll for any training with us - because all our training sessions are delivered online by live instructors using interactive, intensive learning methods.


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Course Details

Digital audio is a technology that is used to record, store and reproduces sound using audio signals which have been encoded in the digital form. With this training program, trainees will learn Signal to Noise Ratio (SNR), Nyquist Theorem, how SNR affects the quality of signal, Signal to Quantization Noise Ratio (SQNR), linear and non-linear Quantization, audio filtering and wave table synthesis. This training program educates trainees about Musical Instrument Digital Interface (MIDI), various hardware aspects of MIDI, understanding structure of MIDI messages and MIDI to WAV Conversion. Furthermore, trainees will get the knowledge of Pulse Code Modulation (PCM), PCM in Speech Compression, Differential Coding of Audio, Delta Modulation and Adaptive DPCM. There are no prerequisites for this course. This course is beneficial for both fresher and professionals to enhance their learning and skills.


Digitization Of Sound

  • What is sound?
  • Explaining Digitization
  • State and explain Nyquist Theorem
  • Describing Signal to Noise Ratio (SNR)
  • How to calculate SNR?
  • Signal to Quantization Noise Ratio (SQNR)
  • How to calculate SQNR?
  • Understanding Linear and Non-linear Quantization
  • Audio Filtering
  • Understanding Audio Quality vs. Data Rate
  • Synthetic Sounds
  • Explaining Wave Table synthesis

MIDI: Musical Instrument Digital Interface

  • Overview of MIDI
  • Explaining MIDI Concepts
  • Various Hardware Aspects of MIDI
  • Understanding Structure of MIDI Messages
  • Defining Channel messages
  • System Messages
  • Explaining MIDI to WAV Conversion

Quantization And Transmission Of Audio

  • Understanding Coding of Audio
  • Explaining Pulse Code Modulation (PCM)
  • Understanding PCM in Speech Compression
  • Differential Coding of Audio
  • Explaining Lossless Predictive Coding (LPC)
  • DPCM (Differential PCM)
  • What is Delta Modulation (DM)?
  • Understanding Adaptive DPCM

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