Samsung Electronics Co., Ltd.

Sangchul Ko

Dongkyu Park

Junghoe Kim

Donghyun Jung

Tammy Lee

Eunmi Oh

Shihwa Lee

Miao Lei

Sunghee Hwang

Kyungrae Kim

Woohyun Nam

Hyunkwon Chung

Yoonjae Son

Jungkyu Kim

Sungjoo Kim

Jungho Kim

Jongbae Kim

Youngtae Kim

Sungha Son

Byeonggeun Cheon

Jung-ho Kim

Sangwook Kim

Jin-woo Cho

Sangmoon Lee

Young-tae Kim

Jinman Kim

Jun-Tai Kim

Sunmin Kim

Youngsang Lee

Mingyu Yoon

Wooyoung Cheon

Byeongseob Ko

An apparatus for processing audio includes at least one processor configured to obtain a down-mixed audio signal from a bitstream, to obtain down-mixing-related information from the bitstream, to de-mix the down-mixing-related information by using down-mixing-related information, and to reconstruct an audio signal including at least one frame based on the de-mixed audio signal. The down-mixing-related information is information generated in units of frames by using an audio scene type.

Apparatus and method for processing multi-channel audio signal

A method of matching a voice for each object included in a video, includes: separating a plurality of voices in a video; determining a dissimilarity between the plurality of voices; selecting a partial duration in an entire duration of the video as a matching duration, based on the dissimilarity between the plurality of voices; matching, within the matching duration, the plurality of voices with a plurality of objects in the video respectively, based on mouth movements of the plurality of objects; and matching the plurality of voices with the plurality of objects respectively in the entire duration of the video, based on results of the matching between the plurality of voices and the plurality of objects within the matching duration.

Method of matching sound source for each object included in video, and computing device for performing the same

According to various embodiments of the disclosure, an audio processing apparatus includes at least one processor configured to execute one or more instructions to obtain a second audio signal down-mixed from at least one first audio signal, obtain information related to error removal for the at least one first audio signal, de-mix the at least one first audio signal from the down-mixed second audio signal, and reconstruct the at least one first audio signal by applying the information related to the error removal for the at least one first audio signal to the at least one first audio signal de-mixed from the second audio signal. The information related to the error removal having been generated using at least one of an original signal power of the at least one first audio signal or a second signal power of the at least one first audio signal after decoding.

An audio processing apparatus may obtain second audio signals corresponding to channels included in a second channel group from first audio signals corresponding to channels included in a first channel group, downsample at least one third audio signal corresponding to at least one channel identified based on a correlation with the second channel group from among the channels included in the first channel group, by using an artificial intelligence (AI) model, and generate a bitstream including the second audio signals corresponding to the channels included in the second channel group and the downsampled at least one third audio signal. The first channel group includes a channel group of an original audio signal, and the second channel group is constructed by combining at least two channels from among the channels included in the first channel group.

Apparatus and method for processing audio

A sound output device according to an embodiment of the present disclosure includes: a speaker configured to generate sound; a guide tube formed in a shape of a hollow tube, the guide tube configured to receive the sound generated from the speaker, through an end of the guide tube, and output the received sound; and a waveguide disposed between the speaker and the guide tube. The waveguide includes: a throat tube configured to connect the speaker and the guide tube to each other, and formed in a shape of a hollow tube, and at least one path change structure configured to adjust a predetermined frequency band of the sound in a process of transmitting the sound generated from the speaker to the guide tube.

Sound output device and display device including same

A display apparatus and a method for controlling the display apparatus are disclosed. The display apparatus includes: a communication interface comprising communication circuitry, a display, a plurality of speakers, and a processor, and the processor is configured to: control the communication interface to receive an acoustic content corresponding to a sound signal of a plurality of channels corresponding to a specified frequency bandwidth, extend a frequency bandwidth of at least one channel of the plurality of channels based on a specified parametric equalizer (PEQ), perform correction of reducing a gain in middle frequency and high frequency bands of at least one channel of the plurality of channels with the extended frequency bandwidth, and output each sound signal of the plurality of corrected channels to the plurality of corresponding speakers so that a sound image of the sound signal is formed in a center area of the display.

Display apparatus and control method thereof

A display apparatus including a display panel configured to display an image in a front direction; a main speaker provided on a rear surface of the display panel; and an auxiliary speaker provided on the rear surface of the display panel, the auxiliary speaker being configured to output a sound in a rear direction opposing the front direction.

Display apparatus and sound outputting method thereof

An apparatus for outputting an audio signal includes: a channel processor configured to generate two or more channel signals from audio data; a signal processor configured to render the generated two or more channel signals; and a directional speaker configured to reproduced a rendered channel signal as an audible sound. The signal processor may include a frequency converter configured to generate a channel signal of a frequency domain by converting the generated two or more channel signals through frequency conversion, and a re-panner configured to change a channel gain of at least one of the generated channel signals by as much as an adjustment value for the channel gain, wherein the adjustment value is monotonically changed as a frequency of the channel signal of the frequency domain increases.

Apparatus and method for outputting audio signal, and display apparatus using the same

Provided is a sound output apparatus including a driver configured to emit sound; a pipe including a plurality of holes that are aligned in a row in a side surface of the pipe and are configured to receive the sound emitted from the driver; and at least one cover covering the plurality of holes. Impedance values of the plurality of holes which are covered by the at least one cover are substantially equal to each other within a preset range.

Sound output apparatus

A display apparatus includes: a display configured to display an image; a housing configured to support the display; a loudspeaker provided between the display and the housing and configured to output sound; and a sound guide provided on the loudspeaker and configured to guide the sound output by the loudspeaker. The sound guide may include comprise: a directional emitter including: an internal space extending in a first output direction of the sound; and a plurality of holes arranged in the output direction on a first surface facing a second output direction different from the first output direction; and one pair of directional guides protruding from the first surface, the plurality of holes of the directional emitter being interposed between the one pair of directional guides, the one pair of directional guides approaching each other in the second output.

Display apparatus including a directional sound guide

An apparatus for and a method of processing a multi-channel audio signal using space information. The apparatus includes: a main coding unit down mixing a multi-channel audio signal by applying space information to surround components included in the multi-channel audio signal, generating side information using the multi-channel audio signal or a stereo signal of a down-mixed result, coding the stereo signal and the side information, and transmitting the coded result as a coding signal; and a main decoding unit receiving the coding signal, decoding the stereo signal and the side information using the received coding signal, up mixing the decoded stereo signal using the decoded side information, and restoring the multi-channel audio signal.

Apparatus and method for processing multi-channel audio signal using space information

A method and apparatus of expanding a listening sweet spot. A method of expanding a listening sweet spot with respect to signals output from speakers includes: obtaining an HRTF (head related transfer function) at a position of a listener's ear; moving a first virtual ear around the position of the listener's ear; obtaining an HRTF at each position of the first virtual ear; and processing a signal to be input to the speakers using the obtained HRTFs to output to the speakers.

Method and apparatus for expanding listening sweet spot

A decoding method, medium, and system decoding an input compressed multi-channel signal, as a mono or stereo signal, into 2-channel binaural signals. Channel signals making up the multi-channel signals may be reconstructed from the input compressed signal in the quadrature mirror filter (QMF) domain, and head related transfer functions (HRTFs) for localizing channel signals in the frequency domain, represented as values in the time domain, may be transformed into spatial parameters in the QMF domain. Accordingly, channel signals may be localized in the QMF domain in directions corresponding to the channels, thereby decoding the input compressed signal as 2-channel binaural signals.

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Seoul, South Korea

Sangchul Ko