Apparatus and method of encoding and decoding audio signal
T Liebchen - US Patent 7,830,921, 2010 - Google Patents
In one embodiment, at least first and second channels in a frame of the audio signal are
independently subdivided into blocks if the first and second channels are not correlated with …
independently subdivided into blocks if the first and second channels are not correlated with …
A hardware/software co-design of MP3 audio decoder
TH Tsai, YC Yang, CN Liu - Journal of VLSI signal processing systems for …, 2005 - Springer
Abstract The Moving Picture Experts Group (MPEG) audio coding standard offers three
levels of compression algorithms where the MPEG Layer III (MP3) has the best quality but …
levels of compression algorithms where the MPEG Layer III (MP3) has the best quality but …
Apparatus and method of processing an audio signal, utilizing a unique offset associated with each coded-coefficient
T Liebchen - US Patent 8,180,631, 2012 - Google Patents
In one embodiment of the method, a block of digital audio data is stored in a buffer, and a set
of parcor values are calculated for the block of digital audio data. Then, the parcor values …
of parcor values are calculated for the block of digital audio data. Then, the parcor values …
Synthesis subband filter in MPEG-II audio decoding
LG Chen, TH Tsai, YC Liu - US Patent 6,199,039, 2001 - Google Patents
An MPEG-II audio decoder with a synthesis subband filter includes a fast IMDCT (Inverse
Modified Discrete Cosine Transform) module and an IPQMF (Inverse Pseudo Quadrature …
Modified Discrete Cosine Transform) module and an IPQMF (Inverse Pseudo Quadrature …
Low power and cost effective VLSI design for an MP3 audio decoder using an optimised synthesis-subband approach
TH Tsai, YC Yang - IEE Proceedings-Computers and Digital Techniques, 2004 - IET
An optimised approach to MPEG layer-3 (MP3) audio decoding is presented, with the main
theme focused on the synthesis subband. Since the synthesis subband is the most power …
theme focused on the synthesis subband. Since the synthesis subband is the most power …
Apparatus and method of processing an audio signal
T Liebchen - US Patent 7,411,528, 2008 - Google Patents
In one embodiment, a block of audio data is partitioned into N sub-blocks, and a plurality of
code parameters s (0), s (1),... s (N− 1) are determined. The N sub-blocks are entropy …
code parameters s (0), s (1),... s (N− 1) are determined. The N sub-blocks are entropy …
Apparatus and method of processing an audio signal
T Liebchen - US Patent 8,121,836, 2012 - Google Patents
US8121836B2 - Apparatus and method of processing an audio signal - Google Patents
US8121836B2 - Apparatus and method of processing an audio signal - Google Patents …
US8121836B2 - Apparatus and method of processing an audio signal - Google Patents …
Apparatus and method of processing an audio signal
T Liebchen - US Patent 8,032,240, 2011 - Google Patents
In one embodiment, channel mapping information is added to configuration information for
the audio signal. The channel mapping information indicates to which speaker in a …
the audio signal. The channel mapping information indicates to which speaker in a …
Apparatus and method of encoding and decoding audio signal
T Liebchen - US Patent 7,991,012, 2011 - Google Patents
In one embodiment, a channel in a frame of the audio signal is subdivided into a plurality of
blocks according to a subdivision hierarchy. The subdivision hierarchy has more than one …
blocks according to a subdivision hierarchy. The subdivision hierarchy has more than one …
Apparatus and method of encoding and decoding audio signal
T Liebchen - US Patent 8,417,100, 2013 - Google Patents
In one embodiment, the method includes receiving the audio signal having a plurality of
random access units. The random access unit includes one or more frames and at least one …
random access units. The random access unit includes one or more frames and at least one …