This listening test has the aim of evaluating the sound quality, intelligibility and distinguishability of different sound effects. Different sound samples are linked for each effect, which appears twice with different parameters. Please answer all the questions for each sample, you can listen the samples as many times as you want.
Each sample contains both the original and the processed sound with effect.
1st question:
Choose if the original sound was the first or the second in the order they were given. In case you can not distinguish them you have an option.
2nd question:
Give your opinion in the quality/annoyance that the effect introduces rating it with the MOS scale:
5 Imperceptible
4 Perceptible but not annoying
3 Slightly annoying
2 Annoying
1 Very annoying
Give your opinion about how well the processed sound is understood, being it intelligibility for speech, clarity for music, etc. Rate it using the scale proposed:
5 Completely intelligible
4 Almost everything
3 Half
2 Some words/notes
1 Not intelligible at all
4th question:
Do you notice it is a processed sound at a glance? Does it seem 'virtual', not real? Maybe not. Choose.
______
It is recommended:
- to use headphones for listening
- to switch off all sound enhancers like SRS or Dolby
- to set equalizer to flat position
- to set the volume you normally listen your music
- to be in a quiet environment
Be patient, it may take a time to load the pages!
NOTE! SOME PROBLEMS WITH THE SOUNDCLOUD WIDGETS HAVE BEEN REPORTED, PLEASE LISTEN TO THE SOUND AGAIN IN THE PLAYLIST IN THE BEGINNING OF THE PAGE IF YOU LISTEN TO A SOUND THAT DOES NOT MATCH WITH THE NAME OF THE SAMPLE, FOR EXAMPLE IF YOU LISTEN TO SPEECH AND IT SAYS CLASSICAL MUSIC.