A method for transmitting audiovisual information to a mobile device in a wireless manner, wherein the mobile device comprises a receiver, the method comprising: encoding first audiovisual information using a convolutional error correction coding method by a convolutional encoder; encoding second audiovisual information using a systematic block error correction coding method: processing the encoded second audiovisual information by the convolutional encoder without including any encoding from it; generating a plurality of packets, wherein the plurality of packets comprise the encoded first audiovisual information, the encoded second audiovisual information, and control information, wherein the second audiovisual information is not encoded using a convolutional error correction coding method, wherein the control information indicates that the second audiovisual information is not encoded using a convolutional error correction coding method; transmitting the plurality of packets in a wireless manner; the control information is usable by the receiver to determine that the second audiovisual information is not encoded using a convolutional error correction coding method, wherein the second audiovisual information not being encoded using a convolutional error correction coding method indicates to the receiver that the second audiovisual information comprises a different service version than the first audiovisual information encoding first audiovisual information using a convolutional error correction coding method by a convolutional encoder; encoding second audiovisual information using a systematic block error correction coding method: processing the encoded second audiovisual information by the convolutional encoder without including any encoding from it; generating a plurality of packets, wherein the plurality of packets comprise the encoded first audiovisual information, the encoded second audiovisual information, and control information, wherein the second audiovisual information is not encoded using a convolutional error correction coding method, wherein the control information indicates that the second audiovisual information is not encoded using a convolutional error correction coding method; transmitting the plurality of packets in a wireless manner; the control information is usable by the receiver to determine that the second audiovisual information is not encoded using a convolutional error correction coding method, wherein the second audiovisual information not being encoded using a convolutional error correction coding method indicates to the receiver that the second audiovisual information comprises a different service version than the first audiovisual information processing the encoded second audiovisual information by the convolutional encoder without including any encoding from it; generating a plurality of packets, wherein the plurality of packets comprise the encoded first audiovisual information, the encoded second audiovisual information, and control information, wherein the second audiovisual information is not encoded using a convolutional error correction coding method, wherein the control information indicates that the second audiovisual information is not encoded using a convolutional error correction coding method; transmitting the plurality of packets in a wireless manner; the control information is usable by the receiver to determine that the second audiovisual information is not encoded using a convolutional error correction coding method, wherein the second audiovisual information not being encoded using a convolutional error correction coding method indicates to the receiver that the second audiovisual information comprises a different service version than the first audiovisual information