| Patent application number | Description | Published |
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| 20090012782 | Method and Arrangements for Coding Audio Signals - According to the invention, an excitation signal is generated as a result of sampled excitation values in order to excite an audio synthesis filter, the generated sampled excitation values being continuously stored in an adaptive codebook. A noise generator is provided which continuously generates random sampled values. A sequence of the stored sampled excitation values is selected from the adaptive codebook based on a fed audio fundamental frequency parameter by means of which a time gap between the sequence that is to be selected and the actual time reference is predefined. The excitation signal is generated by mixing the selected sequence with a random sequence encompassing actual random sampled valued of the noise generator. | 01-08-2009 |
| 20090024399 | Method and Arrangements for Audio Signal Encoding - To form an audio signal, frequency components of the audio signal which are allotted to a first subband are formed by means of a subband decoder using supplied fundamental period values which respectively indicate a fundamental period for the audio signal. Frequency components of the audio signal which are allotted to a second subband are formed by exciting an audio synthesis filter using an excitation signal which is specific to the second subband. To produce this excitation signal, an excitation signal generator derives a fundamental period parameter from the fundamental period values. The fundamental period parameter is used by the excitation signal generator to form pulses with a pulse shape which is dependent on the fundamental period parameter at an interval of time which is determined by the fundamental period parameter and to mix them with a noise signal. | 01-22-2009 |
| 20110131047 | Steganography in Digital Signal Encoders - In a method for embedding steganographic information into the signal information of a signal encoder, a solution is to be created, which enables steganographic information being embedded into the signal information of a signal encoder such that a reduction of the voice quality is largely avoided. This is achieved by means of providing data information, particularly voice information, selecting steganographic information from a quantity of steganographic information, generating a code word from a code book provided by means of the signal encoder on the basis of the code elements forming the code book such that with the use of the code word generated within the scope of a transmission standard associated with the code book the data information is encoded into signal information containing the code word and/or making reference to the code word; and by the code word generated having an additional feature that can be calculated on the basis of the code elements forming the code word, wherein the additional feature represents the steganographic information. | 06-02-2011 |
| 20110137645 | METHOD AND APPARATUS OF COMMUNICATION - The invention pertains to a method and apparatus of efficient encoding and decoding of vector quantized data. The method and system explores and implements sub-division of a quantization vector space comprising class-leader vectors and representation of the class-leader vectors by a set of class-leader root-vectors facilitating faster encoding and decoding, and reduced storage requirements. | 06-09-2011 |
| Patent application number | Description | Published |
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| 20110095219 | FLAP TRANSFER VALVE WITH VALVE COVER - A flap transfer valve is disclosed. An elongated first opening can be closed by an elongated valve closure beam between a closed position and an open position. A shaft can be rotated about a shaft axis by a drive and is operatively connected to the valve closure beam to cause the valve closure beam to pivot. The valve closure beam, the pivoting bearing and the shaft are arranged on a valve cover in a gas-tight valve housing. The shaft, the pivoting bearing and the valve closure beam can be decoupled from the valve housing. The pivoting bearing is formed by at least three bearing elements which are distributed at a distance from one another along the shaft axis in the valve housing, and on which the valve closure beam and the shaft are mounted. The shaft axis is at a distance from the pivoting axis. | 04-28-2011 |
| 20110095220 | FLAP TRANSFER VALVE WITH PIVOTING BEARING - A flap transfer valve is disclosed. An elongated first opening can be closed by an elongated valve closure beam, which can be pivoted via a pivoting bearing between a closed and open position. A shaft can be rotated by a drive and is operatively connected to the valve closure beam such that rotation of the shaft causes the valve closure beam to pivot. The pivoting bearing is formed by at least three bearing elements which are distributed at a distance from one another along the shaft axis in the valve housing, and on which the valve closure beam and the shaft are mounted. The shaft axis is at a distance from the pivoting axis. First arms are arranged on the shaft to provide a force to the rear face of the valve closure beam to pivot the valve closure beam. According to one development of the invention, the valve closure beam, the pivoting bearing and the shaft are arranged on a valve cover in a gas-tight valve housing, wherein the shaft, the pivoting bearing and the valve closure beam can be decoupled from the valve housing. | 04-28-2011 |
| 20110186762 | FLAP TRANSFER VALVE WITH PIVOTABLE VALVE CLOSURE BEAM - A flap transfer valve is disclosed for the transfer of semiconductor elements or substrates into a semiconductor or substrate processing process chamber having an elongated first opening, which is surrounded in the form of a frame by a first sealing surface on a first sealing plane, and an elongated valve closure beam, having a second sealing surface which corresponds to the first sealing surface, can be brought into gas-tight contact with it, and is located on a second sealing plane. A support is arranged on the rear face of the valve closure beam, which is arranged such that it can pivot through a limited pivoting angle about a tilting axis. The support together with the valve closure beam can pivot about a pivoting axis, which lies on the first sealing plane, and the tilting axis lies on the second sealing plane. | 08-04-2011 |
