1 / 0

Real Time Audio Processor

Real Time Audio Processor. Supervisor: Dr. Ilana David Student: Asaf Bercovich Semester: Winter 2010/2011. Project Primary Goal. D. Audio Processor. in. Audio Engine (Interpretation Unit). Design Document (Input). out.

tilly
Download Presentation

Real Time Audio Processor

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Real Time Audio Processor

    Supervisor: Dr. Ilana David Student: AsafBercovich Semester: Winter 2010/2011
  2. Project Primary Goal D Audio Processor in Audio Engine (Interpretation Unit) Design Document (Input) out Audio Processing Engine which can be programmed in terms of block diagrams.
  3. Project Secondary Goal A Windows GUI exposing the power of the audio processing engine, offers easy design, composition and exploration of various audio processing diagrams visually. Windows GUI Application
  4. Consumer Audio Specifications 1 Second => 44100 Samples 44100 samples per second. Each sample is a 16 Bit signed integer. 2 Channels (Stereo)
  5. Audio Engine Components Continues playback solution Audio Streamer Input Device Output Device Audio Processor Wave File DirectX XAudio2 Output Signal Input Signal
  6. Audio Engine Requirements Programming in terms of Block Diagrams. in H out
  7. Audio Engine Requirements Reuse of existing designs nested inside top level designs. Nested Design in out D H in D H Top Level Design out
  8. Audio Engine Requirements Real time execution of the audio processing engine. Audio Processor
  9. Audio Engine Requirements Programming API both for C++ and .NET WaveInputinputDevice = newWaveInput(“D:\Track01.wav"); WaveOutputoutputDevice = newXAudio2Output(); WaveOutput streamer = newStreamer(inputDevice, outputDevice); LTISystemaudioProcessor = newLTISystem(); . . streamer.SetAudioProcessor(audioProcessor); streamer.Play(); . . .
  10. Audio Engine Requirements Real time capacity for Tens of Thousands basic components in a design. H in D D Audio Processor D
  11. Audio Processor Challenge D in out
  12. Audio Processor Challenge D in out
  13. A Audio Processor Topology Analyzer D Convolution FFT in Output Signal Input Signal out
  14. Multi Core FFT (Optimization) Non-Recusrive Radix-4 Trigonomatric + Bit-Reversal Look-Up Tables 4 Threads running on each core separately and mostly independant.
  15. System Requirements “Audio Engine” (AudioLib.DLL) Windows Vista, Windows 7 DirectX SDK - June 2010 “Visual Audio Processor” (VAP.EXE) Windows Vista, Windows 7 DirectX SDK - June 2010 Microsoft Visio 2010
  16. END
More Related