An analog-to-digital converter and a battery operated electronic device comprising the ADC. The book price is the best price in an order book including orders to buy or sell specified quantities of the security at respective prices, the lowest sell order price of the booked orders being the book sell price, the highest buy order price of the booked orders being the book buy order price. The encoder of the digital video camera may be used to compress the image data into an encoded information stream capable of carrying at least 8. 8 when the detected procedure signal is a CM signal specified in Recommendation V.