Sound

Digital Delay For Application in Surround Sound

APPENDIX E

Questionnaire

Questionnaire for Subjective Psychoacoustic Tests

Name:

Male _ Female_.

As far as you are aware, can you hear equally well in both ears?

Yes _ No _ .

You will be played two pieces of music in normal stereo, and then again with the surround sound switched in.

The FIRST piece is a pre-determined piece.

The SECOND is a piece of your choice.

Please answer the following questions:

FIRST Piece.

1) Did you enjoy the effect that the surround sound had on the music?

Yes _ No _.

If Yes, which would describe the effect on the overall music experience.

More Spacial _ Engulfing _ Concert Hall _ Dramatic _ .

If No then briefly explain why.

SECOND Piece.

2) Which would best describe your chosen piece of music?

Classical _ Rock _ Electronic _ Easy Listening _

Other _ - Please specify:

Is it a live recording Yes _ No _.

3) Did you enjoy the effect that the surround sound had on your chosen piece of music? Yes _ No _.

If Yes, which would describe the effect on the overall music experience.

More Spacial _ Engulfing _ Concert Hall _ Dramatic _.

If No then briefly explain why.

4) Have you any previous experience of listening to surround sound systems, particularly for music?

Yes _ No _.

If Yes, which sort of surround sound system was it? e.g. Dolby Surround, ambisonics, quadraphonics, etc, etc.

How does the system which you have just being listening to compare with these others?

Better _ Equivalent _ Worse _

5) Would you consider the addition of a processor such as this to your present, or future hi-fi system worthwhile?

Yes _ No _.

6) Any comments which you would like to make?

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