Audio encoder for encoding a multichannel signal , comprising: a linear prediction domain encoder ; a frequency domain encoder ; and a controller for switching between the linear prediction domain encoder and the frequency domain encoder , wherein the linear prediction domain encoder comprises a downmixer for downmixing the multichannel signal to obtain a downmix signal , a linear prediction domain core encoder for encoding the downmix signal and a first joint multichannel encoder for generating first multichannel information from the multichannel signal , wherein the frequency domain encoder comprises a second joint multichannel encoder for generating second multichannel information from the multichannel signal , wherein the second joint multichannel encoder is different from the first joint multichannel encoder , wherein the controller is configured to perform the switching such that a portion of the multichannel signal is represented either by an encoded frame of the linear prediction domain encoder or by an encoded frame of the frequency domain encoder , wherein the controller is configured to switch within a current frame of the multichannel signal from using the frequency domain encoder for encoding a previous frame to using the linear prediction domain encoder for encoding an upcoming frame , wherein the first joint multichannel encoder is configured to calculate synthetic multichannel parameters as the first multichannel information from the multichannel signal for the current frame , and wherein the second joint multichannel encoder is configured to weight the multichannel signal using a stop window to obtain a weighted multichannel signal in the current frame , so that the current frame , in which a transition from the frequency domain encoder to the linear prediction domain encoder is performed, comprises the weighted multichannel signal, information on the downmix signal , and the synthetic multichannel parameters . a linear prediction domain encoder ; a frequency domain encoder ; and a controller for switching between the linear prediction domain encoder and the frequency domain encoder , wherein the linear prediction domain encoder comprises a downmixer for downmixing the multichannel signal to obtain a downmix signal , a linear prediction domain core encoder for encoding the downmix signal and a first joint multichannel encoder for generating first multichannel information from the multichannel signal , wherein the frequency domain encoder comprises a second joint multichannel encoder for generating second multichannel information from the multichannel signal , wherein the second joint multichannel encoder is different from the first joint multichannel encoder , wherein the controller is configured to perform the switching such that a portion of the multichannel signal is represented either by an encoded frame of the linear prediction domain encoder or by an encoded frame of the frequency domain encoder , wherein the controller is configured to switch within a current frame of the multichannel signal from using the frequency domain encoder for encoding a previous frame to using the linear prediction domain encoder for encoding an upcoming frame , wherein the first joint multichannel encoder is configured to calculate synthetic multichannel parameters as the first multichannel information from the multichannel signal for the current frame , and wherein the second joint multichannel encoder is configured to weight the multichannel signal using a stop window to obtain a weighted multichannel signal in the current frame , so that the current frame , in which a transition from the frequency domain encoder to the linear prediction domain encoder is performed, comprises the weighted multichannel signal, information on the downmix signal , and the synthetic multichannel parameters . <EOS>