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17. (WO2014125285) VERSATILE MUSIC DISTRIBUTION
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2014/125285 International Application No.: PCT/GB2014/050423
Publication Date: 21.08.2014 International Filing Date: 13.02.2014
IPC:
G10L 19/16 (2013.01) ,G10L 19/24 (2013.01) ,G10L 19/018 (2013.01) ,G11B 20/00 (2006.01) ,H04H 60/63 (2008.01)
G PHYSICS
10
MUSICAL INSTRUMENTS; ACOUSTICS
L
SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
19
Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
04
using predictive techniques
16
Vocoder architecture
G PHYSICS
10
MUSICAL INSTRUMENTS; ACOUSTICS
L
SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
19
Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
04
using predictive techniques
16
Vocoder architecture
18
Vocoders using multiple modes
24
Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
G PHYSICS
10
MUSICAL INSTRUMENTS; ACOUSTICS
L
SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
19
Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
018
Audio watermarking, i.e. embedding inaudible data in the audio signal
G PHYSICS
11
INFORMATION STORAGE
B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
20
Signal processing not specific to the method of recording or reproducing; Circuits therefor
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
H
BROADCAST COMMUNICATION
60
Arrangements for broadcast applications with a direct linkage to broadcast information or to broadcast space-time; Broadcast-related systems
61
Arrangements for services using the result of monitoring, identification or recognition covered by groups H04H60/29 or H04H60/35166
63
for services of sales
Applicants:
MERIDIAN AUDIO LIMITED [GB/GB]; Latham Road Huntingdon Cambridgeshire EP29 6YE, GB
Inventors:
STUART, John Robert; GB
HOLLINSHEAD, Richard J; GB
CRAVEN, Peter Graham; GB
LAW, Malcolm; GB
Agent:
GILL JENNINGS & EVERY LLP; The Broadgate Tower 20 Primrose Street London Greater London EC2A 2ES, GB
Priority Data:
1302547.313.02.2013GB
1307795.330.04.2013GB
Title (EN) VERSATILE MUSIC DISTRIBUTION
(FR) DISTRIBUTION POLYVALENTE DE MUSIQUE
Abstract:
(EN) Methods and devices are described whereby a representation of an original PCM signal may be reversibly degraded in a controlled manner and information losslessly embedded to produce a streamable PCM signal, which provides a controlled audio quality when played on standard players and conditional access to a lossless presentation of the original PCM signal. Using such techniques allows control over the level of degradation of the signal and also flexibility in the type information of information embedded. Some methods require a song key, which is employed in one or both of the degrading and embedding steps and for creating a token. These methods may further require a user key, which is used to encrypt the song key before creating the token.
(FR) L'invention concerne des procédés et des dispositifs grâce auxquels on peut déclasser de façon réversible la représentation d'un signal MIC original de manière contrôlée et incorporer sans perte des informations pour produire un signal MIC transmissible en continu, qui assure une qualité audio contrôlée quand il est joué sur des lecteurs standard et un accès conditionnel à une présentation sans perte du signal MIC original. L'utilisation de telles techniques permet un contrôle du niveau de déclassement du signal et aussi de la souplesse dans le type d'information des informations incorporées. Certains procédés nécessitent une clé de chanson, qui est employée dans une des opérations de déclassement et d'incorporation ou dans les deux et pour créer un jeton. Ces procédés peuvent en outre nécessiter une clé utilisateur qui sert à chiffrer la clé de chanson avant de créer le jeton.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
US20160005411