Question

Помогите пожалуйста 1. Оценить (без учета сжатия данных) объем видеоряда (без звуковогосопровождения) продолжительностью в 10 мин. Дано: размер кадра: 768*576(телевизионное разрешение), полноцветное изображение, 25 кадров в сек.2. Пропускная способность линии связи составляет 33600 бит/сек. Сколько символовможно передать за 10 мин работы?

Answer 1

Ответ:

полноцветное изображение требует 3 байта данных на 1 точку: 3 байта*768*576*25*60=1,85 Гбайт

Объяснение:

Answer 2

Calculating the Video File Size:

To calculate the video file size without considering data compression, we need to determine the total number of bits required to store the video data.

Given: - Frame size: 768 pixels (width) * 576 pixels (height) - Full-color image - 25 frames per second

To calculate the video file size, we need to consider the following factors: 1. Frame size: The number of pixels in each frame. 2. Color depth: The number of bits used to represent each pixel. 3. Frame rate: The number of frames per second.

Let's calculate the video file size step by step:

1. Calculate the number of pixels in each frame: - Frame size = width * height = 768 * 576 = 442,368 pixels

2. Calculate the number of bits required to represent each pixel: - Full-color image: Each pixel requires 24 bits (8 bits for each color channel - red, green, and blue).

3. Calculate the number of bits required for each frame: - Bits per frame = frame size * color depth = 442,368 * 24 = 10,616,832 bits

4. Calculate the number of bits required for the entire video: - Bits per second = bits per frame * frame rate = 10,616,832 * 25 = 265,420,800 bits

5. Convert the total number of bits to bytes: - Bytes = bits / 8 = 265,420,800 / 8 = 33,177,600 bytes

Therefore, the video file size without considering data compression is approximately 33,177,600 bytes.

Calculating the Number of Characters Transmitted:

To calculate the number of characters that can be transmitted over a communication line with a given bandwidth, we need to consider the following factors:

Given: - Line bandwidth: 33,600 bits per second - Transmission time: 10 minutes

To calculate the number of characters that can be transmitted, we need to consider the following factors: 1. Line bandwidth: The number of bits that can be transmitted per second. 2. Transmission time: The duration of the transmission.

Let's calculate the number of characters transmitted step by step:

1. Calculate the number of bits that can be transmitted in 10 minutes: - Total bits transmitted = line bandwidth * transmission time = 33,600 * 10 * 60 = 20,160,000 bits

2. Convert the total number of bits to bytes: - Bytes = bits / 8 = 20,160,000 / 8 = 2,520,000 bytes

3. Calculate the number of characters transmitted assuming 1 byte per character: - Characters = bytes = 2,520,000 characters

Therefore, the number of characters that can be transmitted over the communication line in 10 minutes is approximately 2,520,000 characters.

Note: The above calculations assume that there is no overhead or error correction in the transmission. The actual number of characters transmitted may vary depending on the specific communication protocol and encoding used.