history: My grandparents have phonograph records, do you know anything about that?
knowledge: A phonograph record (also known as a gramophone record, especially in British English, or record) is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove.
response: Yes, I know that a phonohraph record is an analog sound storage medium in the form of a flat disc with an indscribed modulated spiral groove. Do you have one?
history: My grandparents have phonograph records, do you know anything about that?
Yes, I know that a phonohraph record is an analog sound storage medium in the form of a flat disc with an indscribed modulated spiral groove. Do you have one?
No I don't think I have, when were these used?
knowledge: The phonograph disc record was the primary medium used for music reproduction until late in the 20th century.
response: I know that is was used until the late 20th century as the primary music reproduction medium
history: My grandparents have phonograph records, do you know anything about that?
Yes, I know that a phonohraph record is an analog sound storage medium in the form of a flat disc with an indscribed modulated spiral groove. Do you have one?
No I don't think I have, when were these used?
I know that is was used until the late 20th century as the primary music reproduction medium
Very interesting, do you know who invented them?
knowledge: It had co-existed with the phonograph cylinder from the late 1880s and had effectively superseded it by around 1912.
response: I am not sure but I know that from the late 1880s it had shared its existence with the phonograph cylinder.
history: My grandparents have phonograph records, do you know anything about that?
Yes, I know that a phonohraph record is an analog sound storage medium in the form of a flat disc with an indscribed modulated spiral groove. Do you have one?
No I don't think I have, when were these used?
I know that is was used until the late 20th century as the primary music reproduction medium
Very interesting, do you know who invented them?
I am not sure but I know that from the late 1880s it had shared its existence with the phonograph cylinder.
That's fascinating, now we have crazy stuff like mp3 and mp4 technology.
knowledge: Records retained the largest market share even when new formats such as the compact cassette were mass-marketed.
response: Yes, and records still had the largest market share even after new formats, like the compact cassette, were mass-marketed.